General
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Target
642ab556168baf4ec41c4e9f55bdc60e.exe
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Size
1.1MB
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Sample
231209-dpafdafhb6
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MD5
642ab556168baf4ec41c4e9f55bdc60e
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SHA1
35a90fbaa712a843766b1a064b1ee87f2e523fea
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SHA256
1f9168ebe5c0fb87e5d3a637d2dfc6d6271ef1ad37c9da811743cc28dffccb1e
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SHA512
c2da42212a4498e7e4d5fdbda489585bc10360085c4aa797fc633f2aaa53512c2af59bb4b3d179270715126e5b577d44e3bd2494b2293e62f40ae5bcb685a7e7
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SSDEEP
24576:/GsGAlkenHFOdfepVmC7iBtV2IwQZhAOCLYft/x:/XlzMUVatV2JkKzsft
Behavioral task
behavioral1
Sample
642ab556168baf4ec41c4e9f55bdc60e.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
642ab556168baf4ec41c4e9f55bdc60e.exe
Resource
win10v2004-20231201-en
Malware Config
Targets
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Target
642ab556168baf4ec41c4e9f55bdc60e.exe
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Size
1.1MB
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MD5
642ab556168baf4ec41c4e9f55bdc60e
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SHA1
35a90fbaa712a843766b1a064b1ee87f2e523fea
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SHA256
1f9168ebe5c0fb87e5d3a637d2dfc6d6271ef1ad37c9da811743cc28dffccb1e
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SHA512
c2da42212a4498e7e4d5fdbda489585bc10360085c4aa797fc633f2aaa53512c2af59bb4b3d179270715126e5b577d44e3bd2494b2293e62f40ae5bcb685a7e7
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SSDEEP
24576:/GsGAlkenHFOdfepVmC7iBtV2IwQZhAOCLYft/x:/XlzMUVatV2JkKzsft
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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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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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
1