General
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Target
GTAGLoader.exe
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Size
229KB
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Sample
241102-zhqpnsvemg
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MD5
18cb3d1a221a079d9b499f2eec3a3e64
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SHA1
5fb17f7e655b5cb79be1099c8ea550ac1f5ace1f
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SHA256
e22bde6d04787794012e7e12ceaf1cf8fdf145f81551d90febf6a4f9c5d4e029
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SHA512
ca4fdb1e0bbf0d63667d5faa71f691efa4f1a629ca391665d0c361ce84876fc2fd0962b3a2c8bb8735e09931cc4401f912dece4e43f325fa8fe56b5c24630b03
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SSDEEP
6144:lloZM9rIkd8g+EtXHkv/iD4uNKIkqNlO+LWU1pAOqb8e1mSi:noZOL+EP8uNKIkqNlO+LWU1pAxQ
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1302369349960597544/nRF42pkmRbq0sIVg4AoYuJ8KE5OmNwC1-6AS8FiBKHtRDj4bXpn_q6WSjWZJIRfF3Mbf
Targets
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Target
GTAGLoader.exe
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Size
229KB
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MD5
18cb3d1a221a079d9b499f2eec3a3e64
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SHA1
5fb17f7e655b5cb79be1099c8ea550ac1f5ace1f
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SHA256
e22bde6d04787794012e7e12ceaf1cf8fdf145f81551d90febf6a4f9c5d4e029
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SHA512
ca4fdb1e0bbf0d63667d5faa71f691efa4f1a629ca391665d0c361ce84876fc2fd0962b3a2c8bb8735e09931cc4401f912dece4e43f325fa8fe56b5c24630b03
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SSDEEP
6144:lloZM9rIkd8g+EtXHkv/iD4uNKIkqNlO+LWU1pAOqb8e1mSi:noZOL+EP8uNKIkqNlO+LWU1pAxQ
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Detect Umbral payload
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Umbral family
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Drops file in Drivers directory
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1