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Rewterz Threat Alert – FormBook Malware – Active IOCs

Severity

Medium

Analysis Summary

FormBook is an information-stealer malware that has been active since 2016. The info-stealer malware’s capabilities include stealing credentials, capturing screenshots of victim’s desktop, monitoring clipboard, keystroke logging, clearing browser cookies, downloading and executing files, uploading and removing bots, launching commands via ShellExecute, downloading and unpacking ZIP archive, rebooting and shutting down the system. The attackers behind these email campaigns used a variety of distribution techniques to deliver the FormBook info-stealer, including PDFs, Office Documents, ZIP, RAR, etc. Some of these files are related to quotation requests.

Impact

  • Credential theft
  • Keystroke logging
  • Data Theft

Indicators of Compromise

MD5

  • 80626a4811180e34d67c64296b08f2bb
  • 6983d9ebc21560ebe2d562d42cf43398
  • f7eb2bff3a410fd8ef59e22b4e8c178b
  • 9e9d345a8fe87116292afe932a92af25
  • aff8cc86555e151b5b9a612b06c96024

SHA-256

  • aaf51eb435ca7b4a2241a951e3e131d7e73fa9f7bab18ca026f9a4d080c9dc0d
  • 45abf01202d5b9993c5d873917cb8f943ed0c479628b62f0bd1e0453c385597c
  • 95f98b4f76c1d199f27cc200459d3281a2e75115a8ea11e6bf2daaef910592d2
  • 3b13cc00c4fa59d7d5c4e897cde08d8e6056d3d5f965a15a56db3fe6c1ff6b18

SHA-1

  • 2f6f31a65cbbe330788335521d8475ecf9cbf8b8
  • a5bfbef9a05bc24815637eaebcd958d81071d883
  • 43834ed1d9906748b15d7ccb6390e4f4d1370389
  • 5797363e91a76645b95b6b9b7f934c555a8de964
  • ea170a6af9c3b4d5d4d493b2563e9975f5e13a6b

URL

  • http[:]//180[.]214[.]236[.]151/user/dllhost[.]exe

Remediation

  • Block all threat indicators at your respective controls.
  • Search for IOCs in your environment.
  • Do not download files attached in untrusted emails.