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Rewterz Threat Alert – FormBook Malware – Fresh 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

  • 7d797008843c8d30cf85c1818c9f4567
  • 4a1051bd16e2fd2e017ba346059572a0
  • 0c737a6befc4bba6c1ddba35d396f9d6
  • 6fcfd40e4d1acc3866b1751f84aee568
  • 166ae61fd9e86daa02b2a99d61a20260
  • 4efe1df7cd9d64ba29c001a1f810fc1d
  • 6549649ac3173aca1bb5ed1a99810380
  • b2b39c5683c85f14d7f9ab852bef94f1
  • 9d1f8dfbbec2a01e490a143732537161

SHA-256

  • 5b9d90e7b46998b1f8791b8e405d409ee52f0e2ba4235c8e450cc51a3381cfe7
  • edda9af73a29d4e3456a1fd3a67d3a1aabd9692d4f4feba564db139f86201960
  • f6bd2853a8346c75b10f30184adf3a12ddcc7b25dac4a1b0a5e281179b1e1322
  • 38e4be0b1612a87858ee40b6c9eebd264d02e4488a34c3f1269ca385b01d1b20
  • e4c83edd228903feb00a1335f5182f4576f44766b9303689abb021dfe720c59c
  • a65412a0b9de3677e7620b1fa5c115211fa9e6425584adc24985f89e8a234785
  • ec07f953fea536e8ae3a92b862b6fa0ab1e6d76369a8b3d1c07ee65bc3525dcb
  • 6b7ed46b4b978bc0356fd8e5ae04b63b3b5c0c5116dc6272ca0d95f266c621ce
  • c5f8abb4a78eee32369b6b5214c411cb9e7c7656b2ba13d0ebb37ad06f099b02

SHA-1

  • 1a801680099cbbd5d38a985def7850bb44303db3
  • dccda8c3161a697597b8139b2b84107a47dbe567
  • e8e1dc5a5df9cc353f5a8be32dd19eef38a5b909
  • f8f7be9f46f84b95e1f70ae85c177e28a0d80590
  • fce406847a82b2e66dcb2bd8a592c3763f6b311c
  • 4f472eeb47144652b2bc0a2b00c49b3ee001145f
  • 3c8c5a9699e8d979c8f83b53c7fed73737ed99e7
  • 31e2b7ecfac4f40712a16629a1dc1e41c7e6c991
  • 85ee0af36e6ce8ebb7f7d9aa7f4df8b17133ae91

Remediation

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

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