General
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Target
2a81e1b21490ca5ff56b391e976f82de11e3dccda04456fddf045e8e0318eb10
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Size
379KB
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Sample
220521-dtg11sgcf2
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MD5
1903b49d4a2500d404bdcd9f1506bfa5
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SHA1
5b2f06a0680d88528139995b8b2c77a635e20a70
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SHA256
2a81e1b21490ca5ff56b391e976f82de11e3dccda04456fddf045e8e0318eb10
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SHA512
3bd7dcd1baf98d0aa2a39cd6819363ac5abc67e441ff241cb162bd95dfb9d729b8b6068f99501a25628f222b2fa1a40dc44b28087b181d1212e539f46d114415
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.elhelado.com.mx - Port:
587 - Username:
[email protected] - Password:
4042Ad@+
Extracted
Protocol: smtp- Host:
mail.elhelado.com.mx - Port:
587 - Username:
[email protected] - Password:
4042Ad@+
Targets
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Target
0020027409011933_05-13-2020.exe
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Size
402KB
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MD5
fbc66dd14f31214c68d15659f71219bf
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SHA1
36301d647b8549e60564c34063a4a8a7b7bd1b76
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SHA256
3e2931cb793d52c5e3253abd7efa9c5c5da9fe766cc93a012ff784fe48694c7a
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SHA512
578e2bad1dc7a5775d4b13b34cb75d054d554de7f53aa8cecc2f85bff594abd43a63fc9d1e06ba90745f225b3a17bc7fe40e78c0e2c13de51dee7240aff5c0d3
Score10/10-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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CoreEntity .NET Packer
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
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AgentTesla Payload
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ReZer0 packer
Detects ReZer0, a packer with multiple versions used in various campaigns.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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Accesses Microsoft Outlook profiles
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Suspicious use of SetThreadContext
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