General
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Target
1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe
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Size
740KB
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Sample
240328-cgtcvaae88
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MD5
31d774bcb59137de3360dcb616cb7b5b
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SHA1
83a1b52ebc2b0b765b27ef0566e0f762cd5a1cd9
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SHA256
1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb
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SHA512
33c7903b26f3fff20aceeafc31a1980ef017350090d7a4ee5333542b0976b29b2eaeec8f97cb5aac549f0344ff33cf0f020e319d4342d47bf5fe61a84d36c76c
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SSDEEP
12288:kd1JsJ6S4d1Sh2iNwA4fNTq29Glbr9IjAhnoOSldKByGOFyGK5uPPaSshrQk1S:kdrw1GA4Nm2ZAW9djGOXA
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.sintecno.gr - Port:
587 - Username:
info@sintecno.gr - Password:
k$&v8@,q0Pf# - Email To:
donj5425@gmail.com
Targets
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Target
1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe
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Size
740KB
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MD5
31d774bcb59137de3360dcb616cb7b5b
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SHA1
83a1b52ebc2b0b765b27ef0566e0f762cd5a1cd9
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SHA256
1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb
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SHA512
33c7903b26f3fff20aceeafc31a1980ef017350090d7a4ee5333542b0976b29b2eaeec8f97cb5aac549f0344ff33cf0f020e319d4342d47bf5fe61a84d36c76c
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SSDEEP
12288:kd1JsJ6S4d1Sh2iNwA4fNTq29Glbr9IjAhnoOSldKByGOFyGK5uPPaSshrQk1S:kdrw1GA4Nm2ZAW9djGOXA
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 packed with SmartAssembly
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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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