General
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Target
51cdaba10f6114ce00667a158e2f85cdcd9e110105b7551424803871fc39a8ee
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Size
415KB
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Sample
240417-p7blyagb98
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MD5
c75c168d76e9557380b354dc82dfcd64
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SHA1
cb2d7d3cad9a7c39fd06dfc1b2dcfab93ae916ac
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SHA256
51cdaba10f6114ce00667a158e2f85cdcd9e110105b7551424803871fc39a8ee
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SHA512
ed761dfb63f39ce49ac0bd2f2c8006902ea42e540f3cd772eabaf611d8a4ad86af37a2633ddb7a37de443eb33f9efbe34d4986fc50f4b7fac8de42e63046833e
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SSDEEP
12288:g7m2h3zdKm8LL7N7Ch39E8DddhLzOoPZDuPRV7YBizeYtk:4Bhj8zN7Chm8DddhPOoBDu5V7iYnk
Behavioral task
behavioral1
Sample
99e64babb02ebc1d5b30582b30d0fbe153cc33ebcc55dd382f9dce4abfe76ed0.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
99e64babb02ebc1d5b30582b30d0fbe153cc33ebcc55dd382f9dce4abfe76ed0.exe
Resource
win10v2004-20240412-en
Malware Config
Targets
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Target
99e64babb02ebc1d5b30582b30d0fbe153cc33ebcc55dd382f9dce4abfe76ed0.exe
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Size
827KB
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MD5
1df7042de91ebbe0fdc6dce717df04a5
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SHA1
a4bc62ba308105e53a0d438cf8b90337434b8853
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SHA256
99e64babb02ebc1d5b30582b30d0fbe153cc33ebcc55dd382f9dce4abfe76ed0
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SHA512
b71e5e653bd05283a6ceaacc477ee905138b9af9f2beb48e04ccb9eea72f26c44bb9f338c891ca2e5fb9b44e19b8a06e2050235cfe2d17a9bdf145fa8a73484b
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SSDEEP
12288:rqimbc9qvl/LOVMPFLT3Mf++Ly798NEyfNo8lfGk:rANvl/aMPJ5iy7mNi8f
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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Drops file in System32 directory
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MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1