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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
- Clear browser cookies
- System Reboot
- Exposure of sensitive data
Indicators of Compromise
MD5
- 291bb2e66aa83f720406755aa0e43832
- a8ecce25bd3fe8bdc0490e04d37d6cb9
- 4623ca9d842c83bb61294f5af36e18e0
SHA-256
- 43e9194904503eb5a508cf89297b8dbfc73f79600ff6bf13c5d8e717941e2652
- a3e892943495b532423c7c717f955741fc373c21daa58c55deb706d9d20dfb55
- ef2de62cab1f816455452f7bcd0279f6f9f411b49b774259fda5cbd0a14f9d65
- aec3b98a4e9dd660b5516bf59063cc6bb7f1434ec5d1c69b6831552d68b59eb1
SHA1
- 052473b1647481bdcbcbc50bf911c502c7ff022d
- 661061fc1194e9be71e1e82859ad58b26ca85cfd
- 4a7882fb33ceef76b88bffb88a1629613e4a66ea
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment.