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
- System reboot
- Exposure of sensitive data
Indicators of Compromise
MD5
- 10e3c2d82ffa440d1f24b98b0e22e033
- 920a667ce494408d878e47da0f5ba8a6
- 9e23e28dd9f30b697653ba699c2b07d8
- c26467017961d695ccd9666d160e1209
SHA-256
- ffc0a6de50b36608c24dc3aaa90e1813d443200ee0ec6c1470bab77397d26cfd
- c3a4a7b85967caf4cfbe39250ab621b738cbe24829b7f7215b9ea2d6a0b54950
- 8700797586a744fd3e998733ed63ab6f721bacd87c6796ea7f5c1a8f2c17a3f4
- 58d44b3ab059852da871283c0643f360f050858ed72646ea4fd4186ecbb98617
SHA1
- f31dfd6bdf90d830ed0430d8243d5ba402184187
- afa846199c48d7d1d69493aa55a34ae33e2064e5
- c2f49d5121fee4b531db8b4ac6579b8329cc7e5a
- eccf7ecda014e68337c4e410366465de1dcc9197
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment.