General
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Target
2c0859008fe73a3625a925608b420cbbf12edd04ff535e00ebd24bc389bcff19
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Size
418KB
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Sample
220521-ds8gksgce4
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MD5
f745cdf71fb8c374e9dd1c654be2e25a
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SHA1
cc2434d4f491944305a88461a277f58f7d32affd
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SHA256
2c0859008fe73a3625a925608b420cbbf12edd04ff535e00ebd24bc389bcff19
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SHA512
595ff4c906a5269c40bfa267f52275d76e37b32ecc83e30107ba38fb2fb7cf7a10652c3387d8fd13a427efeb932baa109f2f3251cfd0be8c5e1bd5b03993a2fb
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.tolipgoldenplaza.com - Port:
587 - Username:
[email protected] - Password:
Golden@#$2019
Extracted
Protocol: smtp- Host:
mail.tolipgoldenplaza.com - Port:
587 - Username:
[email protected] - Password:
Golden@#$2019
Targets
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Target
tt copy.exe
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Size
470KB
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MD5
6f2e9917c711dbae778cd4286d6935ed
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SHA1
3798a8576a483a5842f35641c463d112d695dde2
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SHA256
da02f9d856038ba614bf9612e387005a4b219fa4d212782e557fe532e638de66
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SHA512
07179e6160732d91fcc4c264dfb2e45011f8b19bd21596050cddbe0b95a7f3f978c835fe1f5b8b7c9e617fa2abe66828aee99a6957ce2da0f230a63bf217f98a
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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Disables Task Manager via registry modification
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Drops file in Drivers directory
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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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