General
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Target
CrimsonSetup.exe
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Size
4.3MB
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Sample
240520-ashpdaah67
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MD5
13066f61cf7ea3aff9446ea5c192ab8a
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SHA1
4b44eb065d73b720d3534506b534a792b3b0cecb
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SHA256
09a986671e38d242325d5917683cfb73e413f1baaf68ef0bdd9c40d33ed92b2f
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SHA512
c56c3db8845545062da20c07b847065f6eda3549f30e29a9c92010c56440dbdb152bb159587617a297cfc7ec9297ad82027dd030a532d49ea8b5c72f3cc779fb
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SSDEEP
98304:pAI+4y2LXAJAvp2YRWkIxMag3me34GXrI80HcGFP9c04MN:it4KJkxug/3FXs0GB6N+
Static task
static1
Behavioral task
behavioral1
Sample
CrimsonSetup.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
CrimsonSetup.exe
Resource
win7-20240508-en
Behavioral task
behavioral3
Sample
CrimsonSetup.exe
Resource
win10v2004-20240426-en
Malware Config
Targets
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Target
CrimsonSetup.exe
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Size
4.3MB
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MD5
13066f61cf7ea3aff9446ea5c192ab8a
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SHA1
4b44eb065d73b720d3534506b534a792b3b0cecb
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SHA256
09a986671e38d242325d5917683cfb73e413f1baaf68ef0bdd9c40d33ed92b2f
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SHA512
c56c3db8845545062da20c07b847065f6eda3549f30e29a9c92010c56440dbdb152bb159587617a297cfc7ec9297ad82027dd030a532d49ea8b5c72f3cc779fb
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SSDEEP
98304:pAI+4y2LXAJAvp2YRWkIxMag3me34GXrI80HcGFP9c04MN:it4KJkxug/3FXs0GB6N+
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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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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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