General
- Target 395342804336
- Size 101KB
- Sample260912-qc8tmaxerb
- SHA256 ca31112ea32783cbdf1265608ef8b8b846564024c8a95f0063c1d8f507baa53d
- MD5 9f8c07782bc0908b908e597d75ebf0bc
- SHA1 c7f5bf29eaa71ca7ec929dd131ecafc0559f4687
- SHA512 06bf272b9811a0fca0cc2fd04c2ca113fdf9273ef938b4fb187e7aab845f9e6733a5db0502677838153e09d9d7bacd4eaf8c829c73a175f3a073f12c3d8db427
- SSDEEP 3072:t/L/6Oy1umMTHaHgNiTErW5FZo5j0gqgVUFX76p1:LyDMTHKgNiTYWPZujwgupmp1
- TLSH T1BAA3951579E3A6E0288DCC7A0D88B9195694A03BC34F4D5C77CE5283AF436FC65F8A35
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
395342804336.ps1
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
395342804336.ps1
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
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acrstealer
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4.3.10-alpha1
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cdn.tulipstone.cc
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cloudflare.com
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ddrs
https://telegra.ph/Built-in-Types-08-01
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guids
f1575b64-8492-4e8b-b102-4d26e8c70371
019fd851-d0e2-7805-ae09-2dd1daa78960
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.2.6187.130 Safari/537.36
Targets
-
- Target 395342804336
- Size 101KB
- SHA256 ca31112ea32783cbdf1265608ef8b8b846564024c8a95f0063c1d8f507baa53d
- MD5 9f8c07782bc0908b908e597d75ebf0bc
- SHA1 c7f5bf29eaa71ca7ec929dd131ecafc0559f4687
- SHA512 06bf272b9811a0fca0cc2fd04c2ca113fdf9273ef938b4fb187e7aab845f9e6733a5db0502677838153e09d9d7bacd4eaf8c829c73a175f3a073f12c3d8db427
- SSDEEP 3072:t/L/6Oy1umMTHaHgNiTErW5FZo5j0gqgVUFX76p1:LyDMTHKgNiTYWPZujwgupmp1
- TLSH T1BAA3951579E3A6E0288DCC7A0D88B9195694A03BC34F4D5C77CE5283AF436FC65F8A35
- MD5 SHA1 SHA512 SSDEEP TLSH
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Family: ACR stealer,GrMsk
ACR stealer (aka GrMsk stealer) is an infostealer written in C++.
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3