{"id":5491,"date":"2025-07-20T10:03:29","date_gmt":"2025-07-20T10:03:29","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2025\/07\/20\/snake-keylogger-evades-windows-defender-and-scheduled-tasks-to-harvest-login-credentials\/"},"modified":"2025-07-20T10:03:29","modified_gmt":"2025-07-20T10:03:29","slug":"snake-keylogger-evades-windows-defender-and-scheduled-tasks-to-harvest-login-credentials","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2025\/07\/20\/snake-keylogger-evades-windows-defender-and-scheduled-tasks-to-harvest-login-credentials\/","title":{"rendered":"Snake Keylogger Evades Windows Defender and Scheduled Tasks to Harvest Login Credentials"},"content":{"rendered":"<p>    Snake Keylogger Evades Windows Defender and Scheduled Tasks to Harvest Login Credentials<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n    <!-- no image --><br \/>\n \t<BR><br \/>\n<BR><\/BR><\/p>\n<div>\n<p>A sophisticated phishing campaign targeting Turkish defense and aerospace enterprises has emerged, delivering a highly evasive variant of the Snake Keylogger malware through fraudulent emails impersonating TUSA\u015e (Turkish Aerospace Industries).<\/p>\n<p>The malicious campaign distributes files disguised as contractual documents, specifically using the filename \u201cTEKL\u0130F \u0130STE\u011e\u0130 \u2013 TUSA\u015e T\u00dcRK HAVACILIK UZAY SANAY\u0130\u0130_xlsx.exe\u201d to deceive recipients into executing the payload.<\/p>\n<p>The Snake Keylogger variant demonstrates advanced persistence capabilities and sophisticated evasion techniques that allow it to operate undetected within <a href=\"https:\/\/cybersecuritynews.com\/hackers-compromise-20k-fortigate-systems\/\" target=\"_blank\" rel=\"noreferrer noopener\">compromised systems<\/a>.<\/p>\n<p>Once executed, the malware immediately establishes multiple layers of persistence while simultaneously implementing anti-detection mechanisms to ensure long-term access to victim systems.<\/p>\n<p>The campaign\u2019s targeted approach toward defense industry contractors indicates a strategic focus on high-value intelligence gathering operations.<\/p>\n<p>Malwation researchers <a href=\"https:\/\/www.malwation.com\/blog\/technical-analysis-of-phishing-campaigns-targeting-the-defense-industry-delivering-snake-keylogger\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">identified<\/a> this particular strain during their analysis of recent phishing campaigns, noting the malware\u2019s sophisticated use of legitimate Windows utilities to maintain persistence and evade security controls.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEgE13nUjwkRd80G9claLfiCOEOY6RCKD8xT6ckNnm76izwS6jX6Z-kQz2xUfmMZfd1BKn8DKZyWqAImAfBABOGo6RivkWOI7nLZAGtop5jJKvQp4uJlR9oxLc_K1qxehXk6zBibWPYAxwx8jvKFJ-nivqFt8JVf9fUl7hx63PEaQ8pSNqXQCstNPU5Ie2c\/s16000\/Threat.Zone%2520%28Source%2520-%2520Malwation%29.webp?ssl=1\" alt=\"\"><figcaption class=\"wp-element-caption\">Threat.Zone (Source \u2013 Malwation)<\/figcaption><\/figure>\n<\/div>\n<p>The sample, with SHA256 hash 0cb819d32cb3a2f218c5a17c02bb8c06935e926ebacf1e40a746b01e960c68e4, presents as a PE32 executable written in .NET, utilizing multiple unpacking layers to conceal its true functionality.<\/p>\n<p>The keylogger\u2019s primary targets include credentials, cookies, and financial information extracted from over 30 different browsers and email clients, including Chrome, Firefox, Outlook, and Thunderbird.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEitM0fIoHxE1s3TzUW2UOd4QqAHh-6EidcfyNiEW3kIHQG9QXrV22Bg8-I_v-iGbYiT1MgDJ5qZ4o_oNgsEjRACKg_F2TjKWVyU4jCnKi_zDXSAzZ2obTO7Q7W9V4OPsWSRHNvMw30NqDPDnaIn7k-0Qj5zjVWKYVS2io1hs8AtTTSCt7ioC6ZRHnBfWp0\/s16000\/Snake%2520Keylogger%2520Functionalities%2520%28Source%2520-%2520Malwation%29.webp?ssl=1\" alt=\"\"><figcaption class=\"wp-element-caption\">Snake Keylogger Functionalities (Source \u2013 Malwation)<\/figcaption><\/figure>\n<\/div>\n<p>Additionally, the malware harvests autofill data, credit card information, download histories, and top sites from compromised systems before exfiltrating the stolen data via SMTP to mail.htcp.homes servers.<\/p>\n<h2 class=\"wp-block-heading\"><strong>Advanced Persistence and Evasion Mechanisms<\/strong><\/h2>\n<p>The malware employs a dual-pronged approach to establish <a href=\"https:\/\/cybersecuritynews.com\/detecting-and-responding-to-new-nation-state-persistence-techniques\/\" target=\"_blank\" rel=\"noreferrer noopener\">persistence<\/a> while evading detection systems.<\/p>\n<p>Upon execution, it immediately invokes PowerShell to add itself to Windows Defender\u2019s exclusion list using the command <code>Add-MpPreference -Excl<\/code>, effectively neutralizing the built-in antimalware protection.<\/p>\n<p>This operation is executed through the NtCreateUserProcess system call, launching <a href=\"https:\/\/cybersecuritynews.com\/hackers-actively-exploiting-powershell\/\" target=\"_blank\" rel=\"noreferrer noopener\">powershell<\/a>.exe with elevated privileges to modify security configurations.<\/p>\n<p>Simultaneously, the <a href=\"https:\/\/cybersecuritynews.com\/chatgpt-powered-malware-analysis\/\" target=\"_blank\" rel=\"noreferrer noopener\">malware<\/a> creates a scheduled task named \u201cUpdatesoNqxPR\u201d using schtasks.exe to ensure automatic execution at system startup.<\/p>\n<p>The scheduled task creation process involves generating an XML configuration file that defines the execution parameters, allowing the malware to persist across system reboots without user interaction.<\/p>\n<p>This technique leverages legitimate <a href=\"https:\/\/cybersecuritynews.com\/windows-task-scheduler-vulnerability\/\" target=\"_blank\" rel=\"noreferrer noopener\">Windows task scheduling<\/a> functionality, making detection significantly more challenging for traditional security solutions.<\/p>\n<p class=\"has-text-align-center has-background\" style=\"background:linear-gradient(180deg,rgb(238,238,238) 91%,rgb(169,184,195) 100%)\"><strong>Boost detection, reduce alert fatigue, accelerate response; all with an interactive sandbox built for security teams -&gt;\u00a0<a href=\"https:\/\/any.run\/demo?utm_source=csn&amp;utm_medium=article&amp;utm_campaign=top3_ciso_challenges&amp;utm_content=demo_1&amp;utm_term=160725\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Try ANY.RUN Now<\/a><\/strong><\/p>\n<p>The post <a href=\"https:\/\/cybersecuritynews.com\/snake-keylogger-evades-windows-defender\/\">Snake Keylogger Evades Windows Defender and Scheduled Tasks to Harvest Login Credentials<\/a> appeared first on <a href=\"https:\/\/cybersecuritynews.com\/\">Cyber Security News<\/a>.<\/p>\n<\/div>\n<p> \t<BR><br \/>\n <BR><\/BR><br \/>\n    Tushar Subhra Dutta<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n<a href=\"https:\/\/cybersecuritynews.com\/snake-keylogger-evades-windows-defender\/\">Go to cyber-security-news<\/a><br \/>\n \t<BR><br \/>\n <BR><\/BR><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Snake Keylogger Evades Windows Defender and Scheduled Tasks to Harvest Login Credentials A sophisticated phishing campaign targeting Turkish defense and aerospace enterprises has emerged, delivering a highly evasive variant of the Snake Keylogger malware through fraudulent emails impersonating TUSA\u015e (Turkish Aerospace Industries). The malicious campaign distributes files disguised as contractual documents, specifically using the filename [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[129,63,649],"tags":[130],"class_list":["post-5491","post","type-post","status-publish","format-standard","hentry","category-cyber-security","category-cyber-security-news","category-threats","tag-cyber-security-news"],"_links":{"self":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/5491"}],"collection":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/comments?post=5491"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/5491\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=5491"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=5491"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=5491"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}