General
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Target
document.r15.rar
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Size
647KB
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Sample
240408-mr866afc28
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MD5
1651bf37301526e942825cd87af7fe05
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SHA1
4774e1b3f383c14c6f99fae2dcd3e87a14a4d216
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SHA256
33b5fcc64da827477e0a6c0be46cba8e5a43a9707a936830c9a72d215b654cbb
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SHA512
b40600c883a7517a992e4c542e0cb96796a93792c0c239f46df2fa44fde80f134fe448c31955b26d7263aa6ebabc9af2ebc18ae001d2eb7787736972aa5fae8c
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SSDEEP
12288:LsdWTztCX8nVL/xW8jDdRtszcxO0d60ls6CgJ6npRb0WUFg2STJggj7usoF:lHt4eV9tj1fdTpJApRLG87cF
Static task
static1
Behavioral task
behavioral1
Sample
document.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
document.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.starmech.net - Port:
587 - Username:
[email protected] - Password:
nics123 - Email To:
[email protected]
Targets
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Target
document.exe
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Size
677KB
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MD5
16840755455640657de48aa81c0f5247
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SHA1
4b64f121ed06741bb1a36f023beb7a10e26d0b27
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SHA256
f064387ab391aff2b0d120df58a0a98e269843462aca86076a9cb113885bd2cc
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SHA512
ed171d8af700f10e63577297c2626a0de99e0099c2a2c58b45731e0255aa923ac5e0b66dff6df28ffdf05b8b7d4cdc403dc74782f9efa5bda6dfb80b377df38b
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SSDEEP
12288:aFIB1oVeon3X8hq7WyqJoZnglXHQAM8vj4sbROgnSu2yqfbXxko7EF:aFqo53Mhq7WyqOnK3QkROGbZqjHi
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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