General
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Target
1bf3abfa85526d042d39d615fd7ddbc918700661c833dc62e1886988099afbc2
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Size
1.3MB
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Sample
241221-tvyyxssrek
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MD5
0d9f1cbbbf3e97707ba0d93f687f5084
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SHA1
640dc93001c6255c5651760fc641d3cd222cbd20
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SHA256
1bf3abfa85526d042d39d615fd7ddbc918700661c833dc62e1886988099afbc2
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SHA512
1089a5fe74212a1f056e8badda31273afb16a75bae6993230f6e21a4ef2a2f0c498701e0e9c228ddc05b64032d67dcd9f490cb714f261063c40ea42e4399d9cf
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SSDEEP
24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg
Malware Config
Targets
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Target
1bf3abfa85526d042d39d615fd7ddbc918700661c833dc62e1886988099afbc2
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Size
1.3MB
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MD5
0d9f1cbbbf3e97707ba0d93f687f5084
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SHA1
640dc93001c6255c5651760fc641d3cd222cbd20
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SHA256
1bf3abfa85526d042d39d615fd7ddbc918700661c833dc62e1886988099afbc2
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SHA512
1089a5fe74212a1f056e8badda31273afb16a75bae6993230f6e21a4ef2a2f0c498701e0e9c228ddc05b64032d67dcd9f490cb714f261063c40ea42e4399d9cf
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SSDEEP
24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg
Score10/10-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Dcrat family
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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DCRat payload
Detects payload of DCRat, commonly dropped by NSIS installers.
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Legitimate hosting services abused for malware hosting/C2
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