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March 8, 2022Severity
High
Analysis Summary
Gamaredon is a Russia-backed advanced persistent threat (APT) that has been operating since at least 2013. The main goal of this APT is to use the malicious document to gain control of the target machine. The exploit document uses the template injection technique to infect the victim’s computer with further malware. When the document is opened, it connects to the hacker’s server and downloads the payload file. Gamaredon’s tools are simple and designed to collect sensitive information from hacked systems and propagate it further. Its information-gathering efforts are nearly comparable to those of a second-tier APT, whose primary purpose is to collect and disseminate information with their units.
Impact
- Template Injection
- Exposure of Sensitive Data
Indicators of Compromise
Domain Name
- descend91[.]gortisir[.]ru
Filename
- 7ZSfxMod_x86[.]exe
IP
- 80[.]78[.]251[.]33
MD5
- 9651c8d7fc951e1e02a0149c9d07ed88
SHA-256
- fa26fe1eb2c25d4f104febdf0df061b0807e7f70eecf74c7583e72a7bd6c07bb
SHA-1
- 4512c9d2aeebc1e135f0be0ab3bb148b0421ab53
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment.