Severity
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
- check-update[.]ru
MD5
- 30c1a3bcb954715fe3e5515c1839d5ea
SHA-256
- 4cd08a94795267d28c3b81d4afdc8315223dfee9ed30e3257dcc7934ca8f8433
SHA-1
- 5fdb14f97f3173efe2295f3864c8e52b773f9d98
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment.