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Severity
High
Analysis Summary
Gamaredon, the Russia-backed advanced persistent threat (APT) threat actor that has been active since at least 2013 has reinforced its cyber warfare activities a new surge of Gamaredon APT attacks targeting users with template injection of malicious documents. The attacker main target is to get control of the target system using the malicious document.The exploit document employs the template injection technique to install additional malware on the victim’s machine. Upon opening the document, it connects back to the hacker’s server to download the payload file.
Impact
- Template injection
- Exposure of sensitive data
Indicators of Compromise
MD5
- ce3cd04e1aa9a1e3fbb60abd04fd553f64774c20
SHA-256
- 4ffb11d057d5b6454841beb29b6f50021b0d794ddbde0a062f367b812c04267e
- e6a0f307c9bec6b31f0002726d75ae3d5ced8ffe3b6fce869fe12b8061f642d8
- 331571607fd6c804a68007c042a7140ca240b7b0613c57ca62a618d4f47a7f86
- 38ceb9e9a091184391f1776166ab18830b6e889f407984707dfac13fd91c643f
- e84413bb452e635af3d03acc8075a5689cb631bdec7c2090a80bb3f8c56d8ded
- b28aa93713d1cbaf0f39a2ad23a08c0adcfb615b590c94dcaa751a3a11e7c455
- 491656b0591781dd2ba2a8a872a635c2da42bcdcc35df76f43910e6a2bb65635
- baaea18671569e4053bee96d4982cc76f5721a9626ce914e774451dac4ee79af
- d871dbfcb91b7ae2e96e229dbe989a635a4a62e40c0a236e5d322169ee2e35ad
- 047ca53bf616a52ba6946c0a6cf6676a3030b0baf6d987b6268203caebd87b74
- f727a901cd659b9350614fcb971e984bf15a28f3362e0918ddd45182391e3804
- ebf3a8928d8bbaabfec8b7e93eb0f48469a665bc0b15d9261218012378ffb9c1
SHA1
- 52024cff54302482950ffd8ec41b0b8e7077867a
- e8b8a4d51e4a8e76eee9bab1d74684e5d65b8294
- a8cbdecc4f3ec5ff01db9fdb48f5ee75d6824fe4
- 3b4736f02f316d5da4d80d36f9e83ecda39f654b
- f00c98caf9224ecf9e8ebbc3c976a6eedcee39ea
- 85d6749a90d14b1169ea4b71aee543ac8a1bc3ff
- e369687b17ec94557f3e4b7112b4525c453e978e
- c3623078edc8673f2337e840869b02cfed3d64e2
- ce3cd04e1aa9a1e3fbb60abd04fd553f64774c20
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment.
- Do not download files attached in untrusted emails.