General
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Target
Desktop.exe
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Size
2.9MB
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Sample
240619-t5m96stdqg
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MD5
11862c23ae0f425237282c0847b02d3e
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SHA1
f7f675722e98ce688a51b19ead781ebb1e8263e2
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SHA256
d9312c235d45c023d09e60464da291fe362ce2618b4205e19edc52625652fae9
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SHA512
eb4134e0d59de34c8dd637a6e20036d59ce43b3fbb01b9f2370727af26595297c00cf168b88310c76c8ebc08cee72692d962bcd6cafed4461854fe3405a0100b
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SSDEEP
49152:lOtT55Y+fUPSCH697MdC72xfml5OKYjjZI5ZyEwMTN7Sd5VGyzGfSK12n232gnL/:lOtTtWIzlQjja21MlSTVGGqr13mgnT
Static task
static1
Behavioral task
behavioral1
Sample
Desktop.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Desktop.exe
Resource
win10v2004-20240611-en
Malware Config
Targets
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Target
Desktop.exe
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Size
2.9MB
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MD5
11862c23ae0f425237282c0847b02d3e
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SHA1
f7f675722e98ce688a51b19ead781ebb1e8263e2
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SHA256
d9312c235d45c023d09e60464da291fe362ce2618b4205e19edc52625652fae9
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SHA512
eb4134e0d59de34c8dd637a6e20036d59ce43b3fbb01b9f2370727af26595297c00cf168b88310c76c8ebc08cee72692d962bcd6cafed4461854fe3405a0100b
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SSDEEP
49152:lOtT55Y+fUPSCH697MdC72xfml5OKYjjZI5ZyEwMTN7Sd5VGyzGfSK12n232gnL/:lOtTtWIzlQjja21MlSTVGGqr13mgnT
Score10/10-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Modifies WinLogon for persistence
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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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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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Adds Run key to start application
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1