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info@thehackernews.com (The@The Hacker News
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Cybersecurity researchers have uncovered a large-scale phishing campaign distributing the Lumma Stealer malware. Attackers are using fake CAPTCHA images embedded in PDF documents hosted on Webflow's content delivery network (CDN) to redirect victims to malicious websites. These malicious actors are employing SEO tactics to trick users into downloading the PDFs through search engine results, ultimately leading to the deployment of the information-stealing malware. The Lumma stealer is designed to steal sensitive information stored in browsers and cryptocurrency wallets.
Netskope Threat Labs identified 260 unique domains hosting 5,000 phishing PDF files, affecting over 1,150 organizations and 7,000 users. The attacks primarily target users in North America, Asia, and Southern Europe, impacting the technology, financial services, and manufacturing sectors. Besides Webflow, attackers are also utilizing GoDaddy, Strikingly, Wix, and Fastly to host the fake PDFs. Some PDF files were uploaded to legitimate online libraries like PDFCOFFEE and Internet Archive to further propagate the malware.
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@www.justice.gov
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U.S. and Dutch law enforcement agencies have jointly dismantled a network of 39 domains and associated servers used in Business Email Compromise (BEC) fraud operations. The operation, codenamed "Operation Heart Blocker," took place on January 29th and targeted the infrastructure of a group known as "The Manipulaters," which also went by the name Saim Raza. This group operated online marketplaces originating from Pakistan, selling phishing toolkits, scam pages, email extractors, and fraud-enabling tools. The services marketed were utilized by transnational organized crime groups in the US who used these tools to target various victims with BEC schemes. These attacks tricked victim companies into making fraudulent payments which are estimated to have caused over $3 million in losses.
The seized domains and servers contained millions of records, including at least 100,000 pertaining to Dutch citizens. "The Manipulaters" marketed their services under various brands, including Heartsender, Fudpage, and Fudtools which specialized in spam and malware dissemination. The U.S. Department of Justice stated that Saim Raza-run websites not only sold the tools, but they also provided training to end users through instructional videos on how to execute schemes using the malicious programs, making them accessible to those without the technical expertise. The service was estimated to have thousands of customers. The tools were used to acquire victim user credentials which were then utilized to further the fraudulent schemes. Users can check to see if they were impacted by credential theft via a Dutch Police website.
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CISO2CISO Editor 2@ciso2ciso.com
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A new, sophisticated cyber campaign is utilizing GitHub's infrastructure to distribute the Lumma Stealer malware, a notorious data-stealing tool. This campaign doesn't only focus on Lumma Stealer, it also distributes other malicious software including SectopRAT, Vidar, and Cobeacon. Attackers are exploiting the platform's release mechanisms to gain initial access to systems and subsequently deploy these harmful payloads. This tactic has allowed the threat actors to leverage a trusted platform, tricking users into downloading files from malicious URLs, thereby increasing the risk of widespread infections.
Trend Micro researchers have analyzed the tactics, techniques and procedures (TTPs) used in this campaign and found significant similarities with those used by the Stargazer Goblin group, indicating a potential connection between the two. The Lumma Stealer malware is known for extracting credentials, cryptocurrency wallets, system details, and other sensitive files. SOC Prime Platform has released detection content aimed at helping security teams proactively identify and thwart related threats. This includes Sigma rules for Lumma Stealer, SectopRAT, Vidar, and Cobeacon detection, highlighting the ongoing efforts to counter this dangerous threat.
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