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Rewterz Threat Alert – FormBook Malware – Active IOCs

Severity

Medium

Analysis Summary

Since 2016, FormBook has been active as a data-stealing malware that affects 4% of enterprises in 2020. It tracks and monitors keystrokes, finds and accesses files, takes screenshots, harvests passwords from various browsers, drops files, downloads, and executes stealthier malware in response to orders from a command-and-control server (C2). The cybercriminals behind these email campaigns used a variety of distribution techniques to deliver this malware, including PDFs, Office Documents, ZIP, RAR, etc.

Impact

  • Credential Theft
  • Sensitive Data Theft
  • Keystroke Logging

Indicators of Compromise

MD5

  • 934718c55f87cacaa3a1ec6463527dc5
  • 4a8f3c4cbeb7407b1a7f2c3ac25ea8c6
  • 75035ee56e40059493441ad36a482273

SHA-256

  • 8dfdca6776aa1a394f74bd25cd324ec788db0a4e9becabbd0708a36293e0b489
  • 4994e7acf451ce7d8abdccb79cce806011f09bd49a811fcd2689f32a51fdee09
  • 8744d5d03a50bd12d9f320c679627121b728e51c8c0ea910c3cf52bb8ebe4feb

SHA-1

  • e97b65f99e5ecaec314d2d84cb9c47c98389894c
  • ba940b4847311ac0f70b1e58c5a7b0db50992f92
  • 6a14c91fa667197cb22ffdefa86da4cf86d7f440

Remediation

  • Block all threat indicators at your respective controls.
  • Search for IOCs in your environment.