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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
- System reboot
- Exposure of sensitive data
Indicators of Compromise
MD5
- cb4947e5c78ada624d22c28ee9079871
- 3c88c6ef1a906bc81fc6b5b7fc478e0c
- 8c35ac8d43f7e59105902fa16114144e
SHA-256
- 02230fb80db0fe0055730a0af8b3a0c66a578b2c315206053b80bae250c5561d
- 1754283e0b6bbbbeb69f165e54e3795d3e34ca14aa7bd8bd3b7dcdd97f7dfca8
- 61ecc0b69ccf39c58ee724609e4e94fd51718265da3b325a37eda0f89babaf3f
- 1a08fc838c4ebab6b986b6010e2074a05c29916cd38096e7f7d26a6455917508
SHA1
- eb2c2d329e9be0b3a74582a4fd9c257bc795a690
- 1007ea59d9c209f367a1873ae6da2eac5fad81ef
- c1a0e5de1121e55c22649182c923b41efd4e2848
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment.
- Do not download files attached in untrusted emails