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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

  • a9afb57cd96cf3b8858310c289345480
  • 3b7ed2c43e608053f737b3a1e82a1cfe
  • 8db82717f042a559c1a906e702ebf849

SHA-256

  • 2a8e3c217313095f5159adee7d90a5a2e0f1db12cb8977d9e073086ea0b62f21
  • 2f6e89afd122fb052c5ad063bfe784b854157f9ff99af0a8aae4b7d19641ff61
  • 52969c4afe1f510e6638b9a4018bcee213174bcc2be88f48b832188bd2b56e9b

SHA-1

  • 4ce1c6a91ea988746371aad66459f119d8306495
  • 2ba38118cc730c85f6ffa27e7def97473f9c397d
  • dd60308a8ceddebdc9bb61b974ccf8a80a17d728

Remediation

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