General
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Target
042afa543dc719a60685abf38acd0a05beecb3bf908f20053f9be077ac35c2e9
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Size
480KB
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Sample
220521-d45j3agha4
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MD5
effedefc1abd79d960f2e52739d2f770
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SHA1
be02d206bf4aef20493f5c86ec09eabe8fb90737
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SHA256
042afa543dc719a60685abf38acd0a05beecb3bf908f20053f9be077ac35c2e9
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SHA512
2c397510a7bb58fbf62327ab1fc3804a40fe4bc83b35b42313ec2cc450c0dc9009a6c377f6fef690039932b86887df6f890bd36f03ab693595377af31bfb0221
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.ductoslimpios.com.mx - Port:
587 - Username:
ventas@ductoslimpios.com.mx - Password:
Nhost+321
Extracted
Protocol: smtp- Host:
mail.ductoslimpios.com.mx - Port:
587 - Username:
ventas@ductoslimpios.com.mx - Password:
Nhost+321
Targets
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Target
0010065882100_06032020.exe
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Size
533KB
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MD5
4f6ceaa76a6f89a8318ffad391305490
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SHA1
7f6a8aed357fa6722ee236e713512a72608fc6b6
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SHA256
62998a22c3893a352373f89208ac51800b2c78d7c174a63208b06448a46ebf88
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SHA512
a075f96419afc88d35c2fd10f5e5c2c27bedb17a2a1bdf616f2be5f425177a86535108714d1a668a3acf30e0f1c22c5c5471820b537011e4822f4a033064f606
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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