Rewterz Threat Alert – REvil Ransomware Supply Chain Attack – Active IOCs
July 5, 2021Rewterz Threat Alert – Malware Masquerading as Privacy Tool – Active IOCs
July 5, 2021Rewterz Threat Alert – REvil Ransomware Supply Chain Attack – Active IOCs
July 5, 2021Rewterz Threat Alert – Malware Masquerading as Privacy Tool – Active IOCs
July 5, 2021Severity
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
- e855c1f2d8f6abb205ba6da40694ec4f
SHA-256
- c139bf9002e3b5d1db06d8af94d3a19621858c8b88d0f1dc4634a8f5b3b22086
- 1119f9ef8b8482993f088fdfb5426da688d8e41149c6a6f9e84387accb72440c
- c2874fa8a593d805c31340651b9ebf7308e6db8e2c33baca8a33188d91ef8605
- 5bc32935da5278ae6df27806a14cd8e9771fc9f9615fc49cc5e01fc46c40f6f1
SHA-1
- b7cd9eb079d21e341eb862157d723c16a5b939d8
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment.
- Do not download files attached in untrusted emails.