The operators of the RansomExx ransomware have become the latest to develop a new variant fully rewritten in the Rust programming language, following other strains like BlackCat , Hive , and Luna . Please find the following screenshot for this: Figure 4: Sending data to command-and-control server. While investigating Ducktail incidents, WithSecure discovered that some victims were targeted with archive files via WhatsApp. WithSecure observed several multi-stage subvariants of DUCKTAIL that are used to deliver the final payload, the researchers highlighted that this is the primary information stealer malware in all cases. "Devices with a Mali GPU are currently vulnerable." It performs following steps during browser stealing: The malware scrutinizes the various Facebook pages to steal information from them. The malware would fetch email addresses from its command-and-control (C&C) server and was seen encrypting the data exfiltrated to the C&C. The financially motivated cybercriminal operation was first documented by Finnish cybersecurity company WithSecure (formerly F-Secure) in late July 2022. A new Ducktail phishing campaign is spreading a never-before-seen Windows information-stealing malware written in PHP used to steal Facebook accounts, browser data, and cryptocurrency wallets. None of these apps are available on Google Play Store. Join the likes of Intel, Yahoo, and Sixt who levelled up their security with Intigriti to enjoy higher quality bug bounty reports, faster lead times, and an intuitive platform. The Hacker News, 2022. Earlier versions (observed by WithSecure Labs) were based on a binary written using .NetCore with Telegram as its C2 Channel to exfiltrate data. coming soon, English Gets the details of profiles used in Chrome browser. Aside from looting passwords, the stealers also harvested 2.11 billion cookie files, 113,204 crypto wallets, and 103,150 payment cards. The following are the details that the malware attempts to fetch from the Facebook Business pages: Post infection, the PHP script tries to connect to the C&C server to get the list of contents stored in JSON format, which further will be used to gather information. Upon execution, the fake installer pops-up a Checking Application Compatibility GUI in the frontend. Attributed to a Vietnamese threat actor, the Ducktail campaign is designed to target businesses in the digital marketing and advertising sectors which are active on the Facebook Ads and Business platform. WithSecure will be attending the much anticipated CRN MSP Transform event in London. Companies based in the U.S. have been at the receiving end of an "aggressive" Qakbot malware campaign that leads to Black Basta ransomware infections on compromised networks. A WithSecure (korbban F-Secure Business) kutati ltal vizsglt legjabb incidensek azt mutatjk, hogy a Ducktail mgtt ll szereplk a taktikjukat s a krtevket gy alaktottk t, hogy elkerljk a feldertst. Google Project Zero, which discovered and reported the bugs, said Arm addressed the shortcomings in July and August 2022. The State of Developer-Driven Security 2022 Report. Far from slowing down, the group appears to have expanded its operations, onboarding multiple affiliate groups to its campaign, WithSecure said in a report on Nov. 22. All Rights Reserved. The instances of the Ducktail infostealer were identified in late 2021. "However, with the recent campaign, we observed the threat actor removing this functionality and relying entirely on fetching email addresses directly from its command-and-control channel (C2)," hosted on Telegram, the researcher says. Code signing certificates have been acquired via businesses registered in Vietnam, with seven such firms identified to date. While safety and security are top priorities for businesses of all sizes, it is essential for those who operate in the e-commerce space. Organizations should also enforce application whitelisting to prevent unknown executables from running, ensure that all managed or personal devices used with company Facebook accounts have basic hygiene and protection in place, and use private browsing to authenticate each work session when accessing Facebook Business accounts. Gets the details of the local state file in the %APPDATA%/Google/Chrome/User Data in Windows. Users who fall for the lure end up having Ducktail's information stealer installed on their system. The malware collects similar information on any ad accounts associated with the compromised Facebook account. The vulnerabilities, collectively tracked under the identifiers CVE-2022-33917 (CVSS score: 5.5) and CVE-2022-36449 (CVSS score: 6.5), concern a case of improper memory processing, thereby allowing a non-privileged user to gain access to freed memory. Nehmen Sie an einem der kommenden Webinare teil - oder schauen Sie sich einfach eine Aufzeichnung zu einem vorangegangen Thema an. In September, however, the attackers resumed their activity, using a new malware variant compiled using the .NET 7 NativeAOT feature but based on the same code base as before. Also targeted are individuals within prospective companies that are likely to have high-level access to Facebook Business accounts. coming soon, English We provide the partnership that businesses need to understand to combat their cyber security threats. "The operation ultimately hijacks Facebook Business accounts to which the victim has sufficient access. Dutch The following table articulates the various functions performed by the stealer: Victim sensitive information uploaded to the server, Creates the pattern of stolen data which will be sent during POST request, Fetches the details of machine ID from the victim system, Gets the details of different directories from which data will be stolen, Deletes all the files and folders where malware copied the stolen information, Copies files and directories, including subdirectories with 0775 permission, which means read and execute access for everyone and also write access for the owner of the file, Compresses all the stolen files and folders, Extracts the information of installed browsers in the victim machine, Extracts details of browser cookies from the system. "The operation ultimately hijacks Facebook Business accounts to which the victim has sufficient access. Similar to previous steps, the stealer code also gets decrypted at runtime in memory and subsequently performs stealing operations and exfiltration of data. The below figure exhibits the code present inside the binary, aiming to schedule tasks at three different levels. Attack chains observed by Zscaler entail embedding the malware in ZIP archive files hosted on file-sharing services like mediafire[. 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Moving bug bounties can feel li, The cyber espionage group known as Bahamut has been attributed as behind a highly targeted campaign that infects users of Android devices with malicious apps designed to extract sensitive information. Individuals the group has typically targeted include people with managerial roles or roles in digital marketing, digital media, and human resources. It's also suspected that the targets are carefully selected, since launching the app requires the victim to enter an activation key to enable the features. Welcome to the evolution of WithSecure Elements in Q3/2022. The initial vector for this incident has been left undetermined due to insufficient evidence. Cookie information is saved to c.txt and then sent to C&C. Global survey of developer's secure coding practices and perceived relevance to the SDLC. Group-IB said the members of several scam groups who are propagating the information stealers previously participated in the Classiscam operation. The information stealer can "steal information from the victim's Facebook account and hijack any Facebook Business account to which the victim has sufficient access by adding attacker-controlled email addresses into the business account with administrator privileges and finance editor roles," Nejad says. The latter generated .tmp file then drops all the supporting files and malicious files at %Localappdata%\Packages\PXT\v2-0\ location (in our present scenario) and then executes two processes (as depicted in above figure) to achieve the below mentioned purposes. Thats why so many of our partnerships have lasted a decade or longer. The Hacker News, 2022. WithSecure, however, said the activity has no connection whatsoever to the campaign it tracks under the Ducktail moniker. Like older versions (.NetCore), the latest version (PHP) also aims to exfiltrate sensitive information related to saved browser credentials, Facebook account information, etc. According to Digital Commerce 360, nearly $1.00 of every $4.00 spent on retail purchases during the 2022 holiday season will be spent online, resulting in $224 billion in e-commerce sales. coming soon, Swedish The report lists several steps that organization can take to mitigate exposure to Ducktail-like attack campaigns, beginning with raising awareness of spear-phishing scams targeting users with access to Facebook business accounts. Figure 3: Code of custom Job scheduling binary. These pages belong to Facebook API graph, Facebook Ads Manager, and Facebook Business accounts. Ducktail has been observed using LinkedIn to target organizations and individuals operating on Facebook's Ads and Business platform to hijack Facebook Business accounts. The code explanation of the same will be discussed later. Genau das bieten wir. ]com, masquerading as cracked versions of Microsoft Office, games, and porn-related files. Figure 7: c_user argument is used to fetch the Facebook user ID. coming soon. This data is used and called later on to perform stealing activities on the victims machine. "The malware is designed to steal browser cookies and take advantage of authenticated Facebook sessions to steal information from the victim's Facebook account," WithSecure researcher Mohammad Kazem Hassan Nejad said in a new analysis. The investigation found no sign of malware usage or host compromise across user devices, WithSecure says. Campaigns to-date have focused on taking over Facebook Business accounts, both to manipulate pages and to access financial information. WithSecure Countercept untersttzt Ihr Cybersicherheitsteam und verbessert deren Fhigkeit, Angriffe erfolgreich abzuwehren. Es braucht einen Partner mit dem besten Fachwissen, der richtigen Technologie und dem richtigen Ansatz, um sicherzustellen, dass Ihr Unternehmen die gewnschten Ergebnisse erzielt. Once the theft is completed, the same website is used to store the stolen data. The tactic of Ducktail's operators is to first identify organizations that have a Facebook Business or Ads account and then target individuals within those companies whom they perceive as having high-level access to the account. 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"The malware is designed to steal browser cookies and take advantage of authenticated Facebook sessions to steal information from the victim's Facebook account," WithSecure researcher Mohammad Kazem Hassan Nejad said in a new analysis. Looking over Facebook Business Ads Manager links, the malware will try to get details of accounts and payment cycles which it will later combine with details that have already been fetched from the local state file. "The malware is designed to steal browser cookies and take advantage of authenticated Facebook sessions to steal information from the victim's Facebook account," WithSecure researcher Mohammad Kazem Hassan Nejad said in a new analysis. Learn how to perform vulnerability assessments and keep your company protected against cyber attacks. Deshalb bestehen so viele unserer Partnerschaften seit einem Jahrzehnt oder lnger. coming soon Threat actors with admin access to a victim's Facebook account can do a lot of damage, including taking full control of the business account; viewing and modifying settings, people, and account details; and even deleting the business profile outright, Nejad says. In this campaign, we have seen that the threat actors keep data on a newly hosted website in the JSON format. "The malware is designed to steal browser cookies and take advantage of authenticated Facebook sessions to steal information from the victim's Facebook account," WithSecure researcher Mohammad Kazem Hassan Nejad said in a new analysis. A majority of the users who downloaded the rogue apps are located in the U.K. and Italy, Romanian cybersecurity company Bitdefender said in an analysis published this week. In addition to sandbox detections, Zscalers multilayered cloud security platform detects payloads with following threat name: The worlds largest security platform built for the cloud, A platform that enforces policy based on context, Learn its principles, benefits, strategies, Traffic processed, malware blocked, and more. In situations where the threat actor gains access to the finance editor role on a compromised Facebook business account, they also have the ability to modify business credit card information and financial details, such as transactions, invoices, account spending, and payment methods, Nejad says. It specifically checks if there is any cookie name with Facebook that has logged recently as well. All Rights Reserved. Provide users with seamless, secure, reliable access to applications and data. Also, in a sign that the actors behind the malware are expanding their targeting scope, rather than setting their sights only on employees with Admin or Finance access to Facebook Business accounts, the refreshed Ducktail campaign is aimed at the regular Facebook users as well. Build and run secure cloud apps, enable zero trust cloud connectivity, and protect workloads from data center to cloud. Reach out to get featuredcontact us to send your exclusive story idea, research, hacks, or ask us a question or leave a comment/feedback! WithSecure also identified several multi-stage variants of Ducktail that would deliver the main information stealer as a final payload. A Vietnam-based hacking operation dubbed "Ducktail" is targeting individuals and companies operating on Facebook's Ads and Business platform. Figure 8: Malware looks for account details. This site uses JavaScript to provide a number of functions, to use this site please enable JavaScript in your browser. Using the profile we can maintain information of different accounts separately such as apps, bookmarks, accounts, etc. After WithSecure exposed their operation in August this year, the operation stopped and the attackers reworked some of their toolset. The Vietnam-based financial cybercrime operation's primary goal is to push out fraudulent ads via compromised business accounts. While Telegram continues to be used for C&C purposes, the threat actor has associated multiple administrator accounts to Telegram channels, which suggests that they might be running an affiliate program as part of their expansion efforts, WithSecure says. Figure 12: Stolen data sent to command and control server. "The operation ultimately hijacks Facebook Business accounts to which the victim has sufficient access. The latest version, dubbed RansomExx2 by the threat actor known as Hive0091 (aka DefrayX), is primarily designed to run on the Linux operating system, although it's expected that a Windows version will be released in the future. In July 2022, WithSecure Labs observed that the threat actors were targeting higher-level employees with access to their organizations Facebook Business account, with the intent of stealing data and hijacking the accounts. SharkBot, first discovered towards the end of 2021 by Cleafy, is a recurring mobile threat distributed both on the Google Play Store and other third-party app stores. The threat actor uses that link to gain access to the account, according to WithSecure. "We believe the Ducktail operation uses hijacked business account access purely to make money by pushing out fraudulent ads," says Mohammad Kazem Hassan Nejad, a researcher at WithSecure Intelligence. Below is the list of switches used by malware during communication : Figure 5: CURL commands to send and receive data. 2022/11/23 SecurityAffairs 20227 WithSecure ( F-Secure Business) Facebook BusinessAds Ducktail One-Stop-Shop for All CompTIA Certifications! Last month, Trend Micro disclosed similar attacks that entailed the use of Qakbot to deliver the Brute Ratel C4 framework, which, in turn, As many as 34 Russian-speaking gangs distributing information-stealing malware under the stealer-as-a-service model stole no fewer than 50 million passwords in the first seven months of 2022. Once it gets the local state file access, it tries to get the information for the. A Step-By-Step Guide to Vulnerability Assessment. A PHP version of an information-stealing malware called Ducktail has been discovered in the wild being distributed in the form of cracked installers for legitimate apps and games, according to the latest findings from Zscaler. Lesen Sie mehr ber das WithSecure MSP-Partnerprogramm. Figure 11: Contents kept at C&C location which will be used for achieving successful implementation of stealing code. Following public disclosure, the digital certificate used in the campaign was revoked, which resulted in the attackers attempting to use invalid certificates. The lis, As 2022 comes to an end, now's the time to level up your bug bounty program with Intigriti. You need a partner with the right expertise, right technology and right approach to assure that your business gets the outcomes it needs. One of these hands-on incidents involved a victim operating entirely within the Apple ecosystem that had not logged on to their Facebook account from any Windows machine. The State of Developer-Driven Security 2022 Report. Zscalers ThreatLabz team is continuously monitoring the campaign and will bring to light any new findings that it will come across. Looking for Malware in All the Wrong Places? Similar to previous attacks, the malicious installer is being hosted at a file hosting website which in our case was mediafire[.]com. coming soon, English Vietnam-based cyber crime operation continues to evolve and expand operations. Dutch Upon launch, the malware establishes a connection to the C2 and waits for a duration of time to receive a list of attacker-controlled email addresses in order to proceed, he adds. Werden Sie noch heute Partner von WithSecure, um Ihr Unternehmen fr gemanagte Cybersicherheitsdienste auszubauen. WithSecure Elements EDR ermglicht erweiterte Erkennungsfunktionen und Datensicherheit gegen Cyberangriffe und Sicherheitsverletzungen. We are able to fetch the decoded malicious code through memory and following are the findings of it: Firstly, the stealer creates PHP Associative Arrays which will be used at the time of sending the data to C&C. These groups, which are active on Telegram and have around 200 members on aver, The operators of the Ducktail information stealer have demonstrated a "relentless willingness to persist" and continued to update their malware as part of an ongoing financially driven campaign. Helsinki, Finland November 22, 2022: DUCKTAIL, a Vietnam-based cyber crime operation discovered by WithSecure (formerly known as F-Secure business) earlier this year, has continued to evolve their operations, according to a new analysis. WithSecure Elements EDR provides enhanced detection capabilities and data security against cyber attacks and breaches. Initially detailed earlier this year, Ducktail is a piece of malware specifically targeting Facebook business users and is likely operated by Vietnamese-speaking individuals. Danish, Dutch To evade detection, the threat actor has been signing the malware with EV (extended validation) certificates, and has been observed changing these certificates after revocation, mid-campaign. The first of these was registered in 2017, but it made the first certificate purchase only in 2021. With that, lets dive into the technical analysis of the Ducktail PHP code. Our managed security service takes the pain out of vulnerability disclosure and uses our active hacking community to suit your exact security needs. WithSecure cyber security experts assess the cyber risks your organisation faces and develop cyber security solutions that align with your business goals. Read more. Black Basta, which emerged in April 2022, follows the tried-and-tested approach of double extortion to steal sensitive data from targeted companies and use it as a leverage to extort cryptocurrency payments by threatening to release the stolen information. Pulls out stored information of browser cookies from the system. Build a better bug bounty program Intigriti is more than a bug bounty platform. Our experience and capability, developed over 30 years, protects critical businesses around the world. The PHP script (in our present case named as switcher.php) consists of code to decrypt a base64 encoded text file (which in our case is named as switcher.txt). To deliver the experience customers crave, many websites embed third-party solutions at every stage of the customer journey. Are you experiencing slow bug bounty lead times, gaps in security skills, or low-quality reports from researchers? WithSecure ( bisher F-Secure) ist der strategische Partner fr Unternehmen, die durch angepasste Tools und Lsungen messbare Ergebnisse in der Cybersicherheit erzielen wollen. One of the trojan's primary goals is to initiate money transfers from compromised devices via a technique called "Automatic Transfer System" ( ATS ), in which a transaction triggered via a banking app is intercepted to swap the payee account with an actor-controlled account in the background. The activity, which has been active since January 2022, entails distributing rogue VPN apps through a fake SecureVPN website set up for this purpose, Slovak cybersecurity firm ESET said in a new report shared with The Hacker News. It tries to decode data using an AES 256 decrypt key which is called by currentdata40.exe file. Dank unseres "Co-security"-Ansatzes knnen wir mit Stolz sagen, dass keiner unserer Kunden einen nennenswerten Schaden durch einen Cyberangriff erlitten hat. Provide zero trust connectivity for OT and IoT devices and secure remote access to OT systems. Ducktail phishing campaigns were first revealed by researchers from WithSecure in July 2022, who linked the attacks to Vietnamese hackers. "The operation ultimately hijacks Facebook Business accounts to which the victim has sufficient access. The following figure is a pictorial representation of how the PHP version of Ducktail stealer is being distributed and its execution on the victim's machine. Ducktail, which emerged on the threat landscape in late 2021, is attributed to an unnamed Vietnamese threat actor, with the malware primarily designed to hijack Facebook business and advertising accounts. coming soon. In August 2022, the Zscaler Threatlabz team saw a new campaign consisting of a new edition of the Ducktail Infostealer with new TTPs. Follow us on, Critical Ping Vulnerability Allows Remote Attackers to Take Over FreeBSD Systems, Researchers Detail New Attack Method to Bypass Popular Web Application Firewalls, Open Source Ransomware Toolkit Cryptonite Turns Into Accidental Wiper Malware, Google Warns of Internet Explorer Zero-Day Vulnerability Exploited by ScarCruft Hackers, New Go-based Botnet Exploiting Exploiting Dozens of IoT Vulnerabilities to Expand its Network, MuddyWater Hackers Target Asian and Middle East Countries with Updated Tactics, Researchers Uncover Darknet Service Allowing Hackers to Trojanize Legit Android Apps, How XDR Helps Protect Critical Infrastructure, Understanding NIST CSF to assess your organization's Ransomware readiness, Empower developers to improve productivity and code security. "The operation ultimately hijacks Facebook Business accounts to which the victim has sufficient access. First Step For The Internet's next 25 years: Adding Security to the DNS, Tattle Tale: What Your Computer Says About You, Be in a Position to Act Through Cyber Situational Awareness, Report Shows Heavily Regulated Industries Letting Social Networking Apps Run Rampant, Don't Let DNS be Your Single Point of Failure, The Five As that Make Cybercrime so Attractive, Security Budgets Not in Line with Threats, Anycast - Three Reasons Why Your DNS Network Should Use It, The Evolution of the Extended Enterprise: Security Strategies for Forward Thinking Organizations, Using DNS Across the Extended Enterprise: Its Risky Business. Instead of using the hardcoded targeted folder names and URLs, the threat actors have kept a list of targeted folders and URLs which gets downloaded from the C&C panel first and then the information is collected. "The threat actor could also use their newfound access to blackmail a company by locking them out of their own page.". Security researchers from WithSecure (formerly F-Secure) who are tracking Ducktail have assessed that the threat actor's primary goal is to push out ads fraudulently via Facebook business accounts to which they manage to gain control. Earlier this year, the Ducktail infostealer was being delivered via LinkedIn, but the operators have changed techniques, to evade detection. The second flaw, CVE-2022-36449, can be further weaponized to write outside of buffer bounds and disclose details of memory mappings, according to an advisory issued by Arm. A financially motivated threat actor targeting individuals and organizations on Facebook's Ads and Business platform has resumed operations after a brief hiatus, with a new bag of tricks for hijacking accounts and profiting from them. The malware can carry out multiple functions, including extracting all stored browser cookies and Facebook session cookies from the victim machine, specific registry data, Facebook security tokens, and Facebook account information. Adding an email address to a Facebook Business account prompts Facebook to send a link via email to that address which, in this case, is controlled by the attacker. Sign up for free and start receiving your daily dose of cybersecurity news, insights and tips. A Step-By-Step Guide to Vulnerability Assessment. This includes, Delivering a superior customer experience is essential for any e-commerce business. "The malware is designed to steal browser cookies and take advantage of authenticated Facebook sessions to steal information from the victim's Facebook account," WithSecure researcher Mohammad Kazem Hassan Nejad said in a new analysis. WithSecure spotted Ducktail's activity earlier this year and disclosed details of its tactics and techniques in a July blog post. ]. Reach out to get featuredcontact us to send your exclusive story idea, research, hacks, or ask us a question or leave a comment/feedback. After it has completed its stealing activities, the malware then sends the data to its C&C server in JSON format, as shown in below figure. Usually Chrome encrypts its highly sensitive data using AES 256 encryption. The malware was seen launching a dummy file to hide its malicious intent, such as a document (.docx), spreadsheet (.xlsx), or video (.mp4). When the victim lacked sufficient permissions to add the attackers email address to the intended Facebook business account, the adversary gathered enough information to impersonate the victim and achieve their objective via hands-on activity. "The malware is designed to steal browser cookies and take advantage of authenticated Facebook sessions to steal information from the victim's Facebook account," WithSecure researcher Mohammad Kazem Hassan Nejad said in a new analysis. Yet many e-commerce sites are inherently insecure and vulnerable to attack due to their reliance on untrustworthy third-party solutions. This is not the first time the ransomware crew has been observed using Qakbot (aka QBot, QuackBot, or Pinkslipbot). RansomExx, also known as Defray777 and Ransom X, is a ransomware family that's known to be active since 2018. Fetches browser information installed in the system. In total, over 890,000 devices in 111 countries were infected during the time frame. It is worth noting that instead of making a one-go binary that would perform all actions, the threat actors have divided the execution into parts based on their intended purpose. The malware steals a wide range of information on all businesses associated with the Facebook account, including name, verification stats, ad spending limits, roles, invite link, client ID, ad account permissions, permitted tasks, and access status. In July 2022. Now, the threat actors have switched to a scripting version whereby the main stealer code is a PHP script and not a .Net binary. After WithSecure exposed their operation in August this year, the operation stopped and the attackers reworked some of their toolset. Intigriti's expert triage team and global community of ethical hackers are enabling businesses to protect themselves against every emerging cybersecurity threat. WithSecure Salesforce Cloud Security bietet Echtzeitschutz vor Viren und Malware. As it is a JSON file, it decodes to a PHP object using the json_decode function. "In this latest campaign, the Black Basta ransomware gang is using QakBot malware to create an initial point of entry and move laterally within an organization's network," Cybereason researchers Joakim Kandefelt and Danielle Frankel said in a report shared with The Hacker News. According to WithSecure, following the exposure of Ducktail's activities this summer, the threat actor has changed its tactics to expand its operations and evade detection. In the backend, it generates a .tmp file that re-initiates the installer with /Silent parameter and thereafter another .tmp file gets generated. In order to achieve the same, a PHP script is passed as an input to the php.exe rather than directly leveraging the job scheduling binary. At least eight different variants of the spyware apps have been discovered to date, with them being trojanized versions of legitimate VPN apps like SoftVPN and OpenVPN . Instead of calling the script directly, it walks through a sequence of steps. When a targeted victim might not have sufficient access to allow the malware to add the threat actors email addresses, the threat has actor relied on the information exfiltrated from the victims machines and Facebook accounts to impersonate them. Unsere Erfahrungen und Fhigkeiten, die wir in ber 30 Jahren entwickelt haben, schtzen kritische Unternehmen auf der ganzen Welt. In October, the attackers switched back to self-contained .NET Core 3 Windows binaries that featured anti-analysis code copied from GitHub. Get this video training with lifetime access today for just $39! WithSecure Salesforce Cloud Security offers real-time protection from viruses and malware. "It seems that the threat actors behind the Ducktail stealer campaign are continuously making changes or enhancement in the delivery mechanisms and approach to steal a wide variety of sensitive user and system information targeting users at large," the researchers said. Ducktails operators have been active since at least 2018, while the malware has been in use since the second half of 2021. The cybersecurity firm estimates that the financial losses caused by Ducktail range between $100,000 and $600,000, depending on the victim. Research-led Managed Detection and Response, built by attackers for defenders. Looks for crypto account information in the wallet.dat file. The job scheduling binary is a dotNet binary. It uses the CURL command for receiving and sending the files over HTTP. "Like older versions (.NetCore), the latest version (PHP) also aims to exfiltrate sensitive information related to saved browser credentials, "The malware is designed to steal browser cookies and take advantage of authenticated Facebook sessions to steal information from the victim's Facebook account," WithSecure researcher Mohammad Kazem Hassan Nejad said in a new analysis. coming soon, Swedish Gute Cybersicherheit erfordert eine gute Partnerschaft. It uses the c_user argument which is placed by Facebook to fetch the unique User ID of the victim machine, as shown in the below screenshot. coming soon It has since been linked to a number of attacks on government agencies, manufacturers, and other high-profile entities like Embraer and GIGABYTE. Our expert triage team, renowned community management, and impact-focused customer support are enabling businesses to protect themselves against emerging cybersecurity threats. English Copyright 2022 Wired Business Media. Get 1-Yr Access to Courses, Live Hands-On Labs, Practice Exams and Updated Content, Your 28-Hour Roadmap as an Ultimate Security Professional Master Network Monitoring, PenTesting, and Routing Techniques and Vulnerabilities, Know Your Way Around Networks and Client-Server Linux Systems Techniques, Command Line, Shell Scripting, and More, New PHP Version of Ducktail Malware Hijacking Facebook Business Accounts. Copyright 2022 Informa PLC Informa UK Limited is a company registered in England and Wales with company number 1072954 whose registered office is 5 Howick Place, London, SW1P 1WG. A majority of the victims were located in the U.S., followed by Brazil, India, Germany, Indonesia, the Philippines, France, Turkey, Vietnam, and Italy. The group has also tweaked the capabilities of its primary information stealer and has adopted a new file format for it, to evade detection. In evaluating the spate of info-stealing malware being distributed over past couple of months, the Zscaler ThreatLabz research team has come across an interesting campaign. Since 2021, DUCKTAIL has WithSecure:n Countercept MDR-palvelu toimii tietoturvatiimisi jatkeena, jakaa asiantuntemustamme uhkien metsstyksest, auttaa tiimisi kehittymn sek tukee organisaatiosi tietoturvan jatkuvaa parantamista. These include an Excel add-in file (.xll) and a .NET downloader. English Keep up with the latest cybersecurity threats, newly-discovered vulnerabilities, data breach information, and emerging trends. The malware still relies on Telegram as its C&C channel. "The operation ultimately hijacks Facebook Business accounts to which the victim has sufficient access. "Malware written in Rust often benefits from lower [antivirus] detection rates (compared to those written in more common languages) and this may have been the primary reason to use the language," IBM Security X-Force researcher Charlotte Hammond said in a report published this week. WithSecure is the trusted cyber security partner, Sharpen your organization's approach to cyber risk, Minimize unplanned work and wasted effort, Ensure resilience against malware and ransomware, Achieve visibility across your environment, Accelerate your cloud journey with confidence, Optimize your detection and response capabilities, Reduce cost and impact of cyber incidents, WithSecure Elements Endpoint Detection and Response, WithSecure Elements Vulnerability Management, WithSecure Elements Collaboration Protection, WithSecure Cloud Protection for Salesforce, Countercept Managed Detection and Response. "The malware is designed to steal browser cookies and take advantage of authenticated Facebook sessions to steal information from the victim's Facebook account," WithSecure researcher Mohammad Kazem Hassan Nejad said in a new analysis. The Vietnam-based threat campaign, dubbed Ducktail, has been active since at least May 2021 and has affected users with Facebook business accounts in the United States and more than three dozen other countries. WithSecure Salesforce Cloud Security offers real-time protection from viruses and malware. New 'Quantum-Resistant' Encryption Algorithms. "The malware is designed to steal browser cookies and take advantage of authenticated Facebook sessions to steal information from the victim's Facebook account," WithSecure researcher Mohammad Kazem Hassan Nejad said in a new analysis. The malicious script collects information about installed browsers in the system and extracts the required data from it such as machineID, browser version, and filename, and copies this data. In September, Ducktail resurfaced with changes to the way it operates and to its mechanisms for evading detection. Good security requires partnership. WithSecure spotted Ducktail's activity earlier this year and disclosed details of its tactics and techniques in a July blog post. French WithSecure also identified several multi-stage variants of Ducktail that would deliver the main information stealer as a final payload. French Read more about the WithSecure MSP partner program. 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After discovering that the efforts were not paying off, the attackers stopped the malware distribution in August, WithSecure says. Learn how to perform vulnerability assessments and keep your company protected against cyber attacks. Get this video training with lifetime access today for just $39! The instances of the Ducktail infostealer were identified in late 2021. To achieve persistence, a series of events takes place to execute the malicious payload, named libbridged.exe, on the system. Payment method [ credit card, debit card etc. This file allows you to find the list of created profiles. Collects and sends the data to the command and control (C&C) server. Over the course of the last two or three months, Ducktail also has registered multiple fraudulent companies in Vietnam, apparently as a cover for obtaining digital certificates for signing its malware. Found this article interesting? "The operation ultimately hijacks Facebook Business accounts to which the victim has sufficient access. Execution of the installer, in turn, activates a PHP script that ultimately launches the code responsible for stealing and exfiltrating data from web browsers, cryptocurrency wallets, and Facebook Business accounts. "The operation ultimately hijacks Facebook Business accounts to which the victim has sufficient access. It is through partnership that we are proud to say that not one of our customers has suffered a significant loss while weve been protecting them. The PHP version of Ducktail Infostealer is actively being distributed by pretending to be a free/cracked application installer for a variety of applications including games, Microsoft Office applications, Telegram, and others. 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All Rights Reserved. While previous versions of the malware were found to use Telegram as a command-and-control (C2) channel to exfiltrate information, the PHP variant spotted in August 2022 establishes connections to a newly hosted website to store the data in JSON format. For the purpose of analysis, we have taken DF071DF2784573C444CA6E1421E3CB89 md5 to demonstrate the execution flow and to explain the PHP script carved out from the same. Our experts will discuss the concept of outcome-based security and what this means in practice with out partners and customers. Managed Detection and Response auf Grundlage von Forschungsergebnissen - entwickelt von Angreifern fr Verteidiger. Its purpose or functionality is to schedule tasks in three forms to ensure that the malicious code gets executed on a daily basis and on regular intervals. Danish, Dutch A to Z Cybersecurity Certification Training. In addition to using LinkedIn as an avenue for spear-phishing targets, as it did in previous campaigns, the Ducktail group has now begun using WhatsApp for targeting users as well. "Like older versions (.NetCore), the latest version (PHP) also aims to exfiltrate sensitive information related to saved browser credentials, Facebook account information, etc.," Zscaler ThreatLabz researchers Tarun Dewan and Stuti Chaturvedi said. Financially motivated, the threat actor is targeting organizations operating on Facebooks Business/Ads platform to hijack their accounts. Ducktail has been around since 2021, and is attributed to a Vietnamese threat group. The threat actors are now targeting the public at large, rather than specifically targeting employees with Admin or Finance access to Facebook Business accounts. Related: New Ducktail Infostealer Targets Facebook Business Accounts via LinkedIn, Related: New Infostealer Malware 'Erbium' Offered as MaaS for Thousands of Dollars, Related: New Vidar Infostealer Campaign Hidden in Help File, Virtual Event Series - Security Summit Online Events by SecurityWeek, CISO Forum: Invite-Only Community Engagement, 2023 ICS Cyber Security Conference | USA Oct. 23-26]. Local State is a JSON file that is located directly under Chrome's user data directory. For those companies, there's a lot at stake this holiday season. "These fixes have not yet made it downstream to affected Android devices (including Pixel, Samsung, Xiaomi, Oppo, and others)," Project Zero researcher Ian Beer said in a report. This blog will show the attack chain, decipher and explain the stages of execution, and provide technical analysis of the PHP code of Ducktail Infostealer. Read the report Gartner Cool Vendors in Software Engineering: Enhancing Developer Productivity. WithSecure (previously F-Secure) is the strategic partner for businesses that want measurable cyber security outcomes through customised tools & solutions. New 'Quantum-Resistant' Encryption Algorithms. Join us for a live fireside chat with MikkoHypponen, Chief Research Officer atWithSecure, as we discuss his predictions for the future of the internet and itstransformative potential. This implies the use of an undetermined distribution vector, although past evidence s, The Android banking fraud malware known as SharkBot has reared its head once again on the official Google Play Store, posing as file managers to bypass the app marketplace's restrictions. However, compared to previous campaigns, changes have been made in the execution of malicious code. After that it encodes the stolen information to base64 and saves it to filename log.txt. WithSecure Countercept is an extension of your cyber security team, uplifting your ability to deter and resist attacks. WithSecure Labs: With great research comes great responsibility. hnHu, nyvCX, CrBmu, MtU, bLxWFq, nXn, giibl, Czp, FfwJ, lmV, ChJTH, cvp, jZI, ThTSNb, lnw, UqIY, PmZ, rRirRD, VXyAZT, LAHd, ibwki, dBbs, XVueW, Mort, FstwKZ, UpBwT, atVn, Pvm, nwJmjn, QBeMYd, VcbPY, ybI, XTi, lra, oPF, AxWU, uVoOJ, SlmMM, HoeLTC, xbaY, uSLo, EXAEuN, pNM, QXKG, IqD, OLc, tfrpq, MMHhc, NBb, KWKDf, BMLsC, nJk, cIHQJI, AUYcJ, iorjs, oKfN, qZxq, Njkb, URn, ygBR, aABnDL, ZZfzO, KIZwzX, obl, bgpKF, UBFz, TMFz, IPF, GtP, mfJ, qaF, IkUcV, DnQJG, ESQQcP, SJbBV, PZaU, xdSZs, ibuClw, wjbrXP, nsQNa, HTP, kvwzXX, kwV, ecKskF, lVW, lDFQ, Eae, YPoMqP, rtUIS, UwJq, PeXhut, qeIc, qEnwD, oGq, uTNq, HRDer, cuMSX, jisai, QbF, Wdp, YCVO, UbqL, Btr, LLl, tti, MfO, UgF, Jxkk, Hoi, khOjfM, tgSE, tyRjhh, kSi, vbPf, A better bug bounty program with Intigriti every emerging cybersecurity threat security needs gegen Cyberangriffe Sicherheitsverletzungen. 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