General
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Target
NursultanCrack.exe
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Size
1.9MB
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Sample
240721-17m6hszdmk
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MD5
9c49f8ab036331a19ab63f9aff82db38
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SHA1
a27f11d48f1428b8efb5384f779f355271cc8877
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SHA256
c50ff535a4d6f888019f7865b319658fc35fd9c3ce5734308821641407d91df9
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SHA512
2a61a2bf0bfff8c84f2ba5065b87563edd36b4a8ab34e2354f01e46a9ab7d19677cda9b686f95598921de7c2480da53a5e76965f01733e875033208adf9bfecd
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SSDEEP
24576:h2G/nvxW3WHj0PhetvJ2pv6zvifbzgs4dGnO1F4R8rDX6ZrnHkBseAa+s:hbA3ZUo6buPaARUDInHkBHR
Behavioral task
behavioral1
Sample
NursultanCrack.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
NursultanCrack.exe
Resource
win10v2004-20240709-en
Malware Config
Targets
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Target
NursultanCrack.exe
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Size
1.9MB
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MD5
9c49f8ab036331a19ab63f9aff82db38
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SHA1
a27f11d48f1428b8efb5384f779f355271cc8877
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SHA256
c50ff535a4d6f888019f7865b319658fc35fd9c3ce5734308821641407d91df9
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SHA512
2a61a2bf0bfff8c84f2ba5065b87563edd36b4a8ab34e2354f01e46a9ab7d19677cda9b686f95598921de7c2480da53a5e76965f01733e875033208adf9bfecd
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SSDEEP
24576:h2G/nvxW3WHj0PhetvJ2pv6zvifbzgs4dGnO1F4R8rDX6ZrnHkBseAa+s:hbA3ZUo6buPaARUDInHkBHR
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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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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Adds Run key to start application
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Drops file in System32 directory
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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
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1