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Severity
Medium
Analysis Summary
Saint Bot is a downloader malware that has progressively grown in popularity since its discovery in early 2021. It delivers stealers to infected systems, although it could be used to deliver any malware. Taurus, a malware program designed to collect passwords, browser history, cookies, and data from auto-fill forms, is one of the information stealers that Saint Bot has been dropping. Saint Bot has a number of obfuscation and anti-analysis characteristics that enable it to evade malware detection systems and tools.
Saint Bot is distributed using phishing emails that contain ZIP attachments that contain LNK files. When the LNK file is viewed, it refers to a download URL, where it downloads and runs an initial PowerShell loader in the %TEMP% folder. The loader then downloads and runs two EXE files, the first one is a batch script that tries to deactivate Windows Defender, and the second is Saint Bot.
Impact
- Browsing History
- Emails and SMS
- Sensitive Data Theft
- Credentials Theft
Indicators of Compromise
MD5
- e65e7ca60642f80fe2a95823247f8726
SHA-256
- e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2
SHA-1
- fc0700076fd443edb24777e4ee7eed802411fd70
Remediation
- Block all the threat indicators at your respective controls.
- Search for IOCs in your environment.