General
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Target
DCRatBuild.exe
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Size
1.1MB
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Sample
240618-tbxlravanj
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MD5
4746875ee2c221467e2c83593a34882a
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SHA1
d1695f62c670f70b6ad10ed600baacc6caf9717c
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SHA256
e52cc1ecffea7d4429688c0e46b60381b8921a187d9d6275a7c3953c902a5314
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SHA512
3e292802aab7d6d39012a059d8d2afb626d1581a3fab12b2b7e3fe6f70482a4e836a95bb0c61b85dc301990bd037a6b724324a1a5cc598978405c105c387f0fd
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SSDEEP
24576:U2G/nvxW3Ww0tiJGsOayYo5J8hEUSQv4VrQ16:UbA30iYs05eOU5uB
Behavioral task
behavioral1
Sample
DCRatBuild.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
DCRatBuild.exe
Resource
win10v2004-20240508-en
Malware Config
Targets
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Target
DCRatBuild.exe
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Size
1.1MB
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MD5
4746875ee2c221467e2c83593a34882a
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SHA1
d1695f62c670f70b6ad10ed600baacc6caf9717c
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SHA256
e52cc1ecffea7d4429688c0e46b60381b8921a187d9d6275a7c3953c902a5314
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SHA512
3e292802aab7d6d39012a059d8d2afb626d1581a3fab12b2b7e3fe6f70482a4e836a95bb0c61b85dc301990bd037a6b724324a1a5cc598978405c105c387f0fd
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SSDEEP
24576:U2G/nvxW3Ww0tiJGsOayYo5J8hEUSQv4VrQ16:UbA30iYs05eOU5uB
Score10/10-
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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Downloads MZ/PE file
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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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