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

• 02d62571cffe41c8d3c6403c3c2a1221
• 0a221f64ff48657c3027f2652e571591
• 5951b00de1dbba519c0bbef33494ced3
• a0740bf0d91acda7ead5a156a9485fda
• 779f94d5fe55e6d397d40e438954edae
• add49d5c2fd2a4cd8e535828536a22b5

SHA-256

• c349ed39e4c047742bd9cebf8ad1d9d8a1977335f7cba162b36e4dcc336d1e4a
• 5934b53c06d3c943f4cef7e383eabbea1587591a41a92280c0bf55e169927f13
• cf8ab312ec2e263777fd777cdc2f714c18d259241bfeec9dbe6eb4ac62708f7f
• f082986c206eccdaa79f0db369bc2826cc56e5071b371946c7fb96666684c4db
• 63e295bda0cf227062e001b0e3f6f469230901621311763f1dee154ebc9461ae
• 96a271477f33ca32c83ef13074b3a17de6cc7710372ce3b39146bfb39a86d582

SHA-1

• 3bbf55594c4530dde3bf74a4364d605dd46c1af2
• d808e479dbc2251bf088976a6b96f4f410d775bc
• f5751eb429b58ea73a188a64134916802c4a2022
• b8a9838b26ef685e2d2e099e336b678f4ef068af
• ab283f0342c296c7100b6531e86f7ba2f303a54b
• 2158263d8ba882246ffd7878a7ea1d52a671a43f

Remediation

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