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

• 9506dccbc8976701e87104cdf2793d51
• fd4046c1d1480798bd4a8fb48e9534ac
• 3ff21efbef547a1083c8ffaf2f21fbd2

SHA-256

• 3b6636d54d3798272a9b5dfff832e7686f8fc9f83ccf9298c7f30ba1fc91ddd6
• 264de686a45da08d2a7061c948a3fd59619a218eafb26788639d8442981fe4d2
• c83f6916b9e38f13b1d43a22d26109c58202cf83e772e9cb1517be3ec1e2cc43

SHA-1

• 0154d566ac58472c87b6218cdb7848cf96766422
• 7c39329f075eb90b05fbc594389f5b739929b7b2
• 9ddc352ac3cd4245ad95722834e95ea82339b3cc

Remediation

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