General
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Target
4776c583afca82ddd0fb0414a3a2386acecb5b4c7be3e562850c7723b018d2de
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Size
685KB
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Sample
240523-zt734agd37
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MD5
50b9be167826255d7cbcd579859dfa36
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SHA1
6f8eb9f0ac0927c9817d86c9971cf0f6b594fe7e
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SHA256
4776c583afca82ddd0fb0414a3a2386acecb5b4c7be3e562850c7723b018d2de
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SHA512
eb7a03894af93e69a1fb4a270c20d7f066107b62d8e65485c60f1439c704c4157a3fc09539eca3c67b05e2b49f36c0a58dc0070b8bce4b986ca0a590e71a5691
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SSDEEP
12288:HpEx504bF0+s18j7gLY+yttn8PVfWPVIwLDVPprQ4+C3/s:JEw4b2dz+6VO1Vpk4J3/
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
aYl@txL3 - Email To:
[email protected]
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
aYl@txL3
Targets
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Target
4776c583afca82ddd0fb0414a3a2386acecb5b4c7be3e562850c7723b018d2de
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Size
685KB
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MD5
50b9be167826255d7cbcd579859dfa36
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SHA1
6f8eb9f0ac0927c9817d86c9971cf0f6b594fe7e
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SHA256
4776c583afca82ddd0fb0414a3a2386acecb5b4c7be3e562850c7723b018d2de
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SHA512
eb7a03894af93e69a1fb4a270c20d7f066107b62d8e65485c60f1439c704c4157a3fc09539eca3c67b05e2b49f36c0a58dc0070b8bce4b986ca0a590e71a5691
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SSDEEP
12288:HpEx504bF0+s18j7gLY+yttn8PVfWPVIwLDVPprQ4+C3/s:JEw4b2dz+6VO1Vpk4J3/
Score10/10-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect packed .NET executables. Mostly AgentTeslaV4.
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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Detects executables referencing Windows vault credential objects. Observed in infostealers
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
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Detects executables referencing many email and collaboration clients. Observed in information stealers
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Detects executables referencing many file transfer clients. Observed in information stealers
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Reads WinSCP keys stored on the system
Tries to access WinSCP stored sessions.
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Reads data files stored by FTP clients
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext
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