General
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Target
DC.exe
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Size
1.6MB
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Sample
240530-nam32afc4v
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MD5
b754968dfdb9bcd8b3bc4463abc81a18
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SHA1
1b0890ccd44584417f08ebfff3c82d1c283b989b
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SHA256
4a6728a33527bde13ac3dd3a5a1e620721891fac540d69f90f233f23ae2f4463
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SHA512
24bb5d65956e6750d348fb4eb4e2c4206671a6ac24923b8094c83ce2105dacba9422e0b832dedc79f91164041bd6df8c348504810b8cbb864e5aedd4473d0cbc
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SSDEEP
24576:U2G/nvxW3Ww0t9c3SSFQEo3bZ5GZnTVhm4UPCmEkDo3zVsbovHXgk:UbA309ciIo3tqr0UDth
Behavioral task
behavioral1
Sample
DC.exe
Resource
win7-20240221-en
Malware Config
Targets
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Target
DC.exe
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Size
1.6MB
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MD5
b754968dfdb9bcd8b3bc4463abc81a18
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SHA1
1b0890ccd44584417f08ebfff3c82d1c283b989b
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SHA256
4a6728a33527bde13ac3dd3a5a1e620721891fac540d69f90f233f23ae2f4463
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SHA512
24bb5d65956e6750d348fb4eb4e2c4206671a6ac24923b8094c83ce2105dacba9422e0b832dedc79f91164041bd6df8c348504810b8cbb864e5aedd4473d0cbc
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SSDEEP
24576:U2G/nvxW3Ww0t9c3SSFQEo3bZ5GZnTVhm4UPCmEkDo3zVsbovHXgk:UbA309ciIo3tqr0UDth
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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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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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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