General
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Target
0ec9c0fd181d57f05b57644c74ed52bf50c16d547414433a9d4b8d0e5a8eb4f9
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Size
495KB
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Sample
220521-d2dcssbffn
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MD5
56e7816a719fff0b3b1591d05d2783ce
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SHA1
b5bae104163513cb6b11bfa3374b3277d2b920f7
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SHA256
0ec9c0fd181d57f05b57644c74ed52bf50c16d547414433a9d4b8d0e5a8eb4f9
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SHA512
760c5aa88f832649f95122c4eb387a823eb7f3eb12e6f5838fe7f04a659277b8a25a709f08ff0e95940842d3e292a4444d5fd388ad57ef6f8944496bf37b3a1d
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.jaccontracting.com - Port:
587 - Username:
info@jaccontracting.com - Password:
#07_WAKvjLG]
Targets
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Target
Sky General Trading L.L.C PRODUCT INQUIRY.exe
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Size
642KB
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MD5
891ec241ceea10c1757a31ce58306c9a
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SHA1
52def987c64fcb133fb88602b9d056e8a955d9db
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SHA256
4410537e13a01896bab12528953776427755829a7e483890aaafd04a12fc23ab
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SHA512
b11690635f75c2b30651493383ceaf82c39d262f79fbea64c377c7110f3ebe5fbaf2d87e33410ca5383895c6eabdf8e83d4d38a0afe1c6f74d2122d8fb360c8b
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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