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

• 2109a0431e1e8fbce8007bc6dbdc8d2d
• 73fe142254abec3aeaef375f0564d40a
• 6688b944bbe2c16a001b55af8fae2b4f
• c78d5e89ebecb4d88d3ab36bc47fd7ba
• a57eae9a4b70129d94eae5f5bc5a2939
• 0abc1f2ac325ab9baa7903f5a9e7d0cb

SHA-256

• 520857c7a5bfaeebf0f39504ae85d32b7e153774e93cb2be486f9a5d35b76d05
• 19428f9c431fb0f8d6fbd9ca194589bacf9d9d3e475717031373b71982bea2a5
• fc9ba22e8b90dbfe7b8b4b8450f2a93227c949d57395f59a0cedd30c78f05697
• 9b6b00b331ea48d5477fbd0ec6e168407dcec59c758eb797c9672d2f74dba12a
• 07c7a41786056d743595613eb30cfe00645998237670b947f6884c20ad87c252
• 58877fce8fc8226d8ed82e6db80af591acc24372286f86518908b934ddc65e57

SHA-1

• f85d1cfa01ca893063af01510115bc279da84c2a
• 8529d972dd89f69eb2dc2a3ba9207e67626de9b9
• f6e49b9afdf26663c8f2819cdf02ea7c138c3bb3
• 476733e0eb88a9dce2a65200c23ddd0d5f2b3496
• 52409b7efe9e8f224c7bb7197fb6168ce9e0cd58
• d15ff8fc05ca6618fa17133190d3c0d0736922fd

Remediation

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