Rewterz Threat Alert – GuLoader Malspam Campaign – Active IOCs
August 17, 2021Rewterz Threat Alert – Nanocore Rat – Active IOCs
August 17, 2021Rewterz Threat Alert – GuLoader Malspam Campaign – Active IOCs
August 17, 2021Rewterz Threat Alert – Nanocore Rat – Active IOCs
August 17, 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
- cad47481ee480d7808407d1b82c59d6b
- a3d451d05feae4fbc1911f18d5dd1b11
SHA-256
- 590387feecd3df6131ffd646c5e4a9e597b6e216c56d7a1eb010b16164281144
- 3fdfb16899787cebec1a48bb7e42908e46a8e95a9127d2c9ba520b83167130cb
SHA-1
- ea048eee92361095b568fbc8de772a6788e186d1
- 83a7119eb4ac27913dc7aadd5f72494061d8d3e2
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment.