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

• 3107a2ab38734f234d4fed885976d2b7
• 0b43ad6d16db027ca26b9f3bc5b20d26
• be5f1f9e90d270fcf32a83830ae0f312

SHA-256

• afb0dcb294330abe26a2e2611f36441607a878844a251bea8be3e9407e238ad8
• d84c9b00f06e2a200f61346d71b0cdd116144b558ca6ba45eaaf9eb08c6fe9bb
• e10fd0e47f713f77031028a2c5525477154ad2f7f6500b9679bb00e6897535d3

SHA-1

• 0e2528335349290ffa2f8ac46030fcf3412740b3
• 9cbe491c9ded8d5f384bd13a10862bafa82887ed
• 8fbaa66f16e61b565872d75e12d76189e4c7014d

Remediation

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