General
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Target
4fa1ddc835d185f3e6940501ba18b2add1125bcf3b2ae120cbb085861a480c49.exe
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Size
548KB
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Sample
240430-bp6gpsge8t
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MD5
de379a368ac84fbdd812d62390865332
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SHA1
50cba525e79fa50fa606668a5b400171209773c8
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SHA256
4fa1ddc835d185f3e6940501ba18b2add1125bcf3b2ae120cbb085861a480c49
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SHA512
ca1f8376ee7de97999308a15954edaf4a96fa511a491df043ea36d1033be38122ce7c85084ddfa02c16493f3ce6a56a01695b62ab04d7e3ddde1aa283011b3d0
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SSDEEP
12288:Ay7aP9BjyE2V7gTk2DNqGJo35NbP7r9r/+pppppppppppppppppppppppppppppb:Albf2Vzgo35t1q
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.voivocars.com - Port:
587 - Username:
[email protected] - Password:
qwerty123 - Email To:
[email protected]
Targets
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Target
4fa1ddc835d185f3e6940501ba18b2add1125bcf3b2ae120cbb085861a480c49.exe
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Size
548KB
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MD5
de379a368ac84fbdd812d62390865332
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SHA1
50cba525e79fa50fa606668a5b400171209773c8
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SHA256
4fa1ddc835d185f3e6940501ba18b2add1125bcf3b2ae120cbb085861a480c49
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SHA512
ca1f8376ee7de97999308a15954edaf4a96fa511a491df043ea36d1033be38122ce7c85084ddfa02c16493f3ce6a56a01695b62ab04d7e3ddde1aa283011b3d0
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SSDEEP
12288:Ay7aP9BjyE2V7gTk2DNqGJo35NbP7r9r/+pppppppppppppppppppppppppppppb:Albf2Vzgo35t1q
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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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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Adds Run key to start application
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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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Suspicious use of SetThreadContext
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