General
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Target
83858356d39e4457babbc4f7c370d60cfc7ef83d4c8899fba40936707984a811.vbs
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Size
15KB
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Sample
240604-bzzrxagg21
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MD5
ef953c3bb9f2a5c7ed0d80c40a711ba8
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SHA1
c3d43d067261b478ecccc60ebafec48d3d7ca7b8
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SHA256
83858356d39e4457babbc4f7c370d60cfc7ef83d4c8899fba40936707984a811
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SHA512
4dafcd4a076189c54f0e66f7e25fe2ae398fe0e2ae3782f3b1fa85d156135d870bb80a1230e24afd9f5437eedda0559019cb2003824f88ff3c58f8e82738ba3e
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SSDEEP
384:usuiqsg0DorIl8QlzSGTKDAhqSUVQixIGV/hqFyNPWSJ:u59j08iTlzvTiAtUVxxIGVx/
Static task
static1
Behavioral task
behavioral1
Sample
83858356d39e4457babbc4f7c370d60cfc7ef83d4c8899fba40936707984a811.vbs
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
83858356d39e4457babbc4f7c370d60cfc7ef83d4c8899fba40936707984a811.vbs
Resource
win10v2004-20240226-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.showpiece.trillennium.biz - Port:
587 - Username:
[email protected] - Password:
]2p65r?5jH32 - Email To:
[email protected]
Targets
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Target
83858356d39e4457babbc4f7c370d60cfc7ef83d4c8899fba40936707984a811.vbs
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Size
15KB
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MD5
ef953c3bb9f2a5c7ed0d80c40a711ba8
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SHA1
c3d43d067261b478ecccc60ebafec48d3d7ca7b8
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SHA256
83858356d39e4457babbc4f7c370d60cfc7ef83d4c8899fba40936707984a811
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SHA512
4dafcd4a076189c54f0e66f7e25fe2ae398fe0e2ae3782f3b1fa85d156135d870bb80a1230e24afd9f5437eedda0559019cb2003824f88ff3c58f8e82738ba3e
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SSDEEP
384:usuiqsg0DorIl8QlzSGTKDAhqSUVQixIGV/hqFyNPWSJ:u59j08iTlzvTiAtUVxxIGVx/
Score10/10-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect packed .NET executables. Mostly AgentTeslaV4.
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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Detects executables referencing Windows vault credential objects. Observed in infostealers
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
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Detects executables referencing many email and collaboration clients. Observed in information stealers
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Detects executables referencing many file transfer clients. Observed in information stealers
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Blocklisted process makes network request
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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 NtCreateThreadExHideFromDebugger
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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