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General
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Target
JaffaCakes118_71fe7001a5a0173586e57724323086f9
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Size
763KB
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Sample
250313-y4r9ys11hx
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MD5
71fe7001a5a0173586e57724323086f9
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SHA1
95b565cc9b543e4b839afb61d28f395b2caa3901
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SHA256
b342f8987e50c0b71382b1ca6b162b77b94a7415e1cfab565f902018d6a992e0
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SHA512
fc0190766a15c455f1fb08f5c039c9a5ccb7f88e4d105531526e6389f73b28f55ce915551eb7a49f3138f26141307c3ce387fa89e3c0ca3a7c7941199564f007
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SSDEEP
12288:h4dMRU/UP4heFjLDFtvoSZuUXZRY49SA7GI/p7a6o2Mhi9dl7Lue1VQbhUVzoWCC:qwU/UwhWvBXZpSRSJo2xL7TA7QV
Behavioral task
behavioral1
Sample
JaffaCakes118_71fe7001a5a0173586e57724323086f9.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
JaffaCakes118_71fe7001a5a0173586e57724323086f9.exe
Resource
win10v2004-20250313-en
Malware Config
Extracted
darkcomet
Guest16
108.34.128.228:81
DC_MUTEX-F54S21D
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InstallPath
Windupdt\winupdate.exe
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gencode
6-N5MZ9h6NWr
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install
true
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offline_keylogger
true
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persistence
true
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reg_key
winupdater
Targets
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Target
JaffaCakes118_71fe7001a5a0173586e57724323086f9
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Size
763KB
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MD5
71fe7001a5a0173586e57724323086f9
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SHA1
95b565cc9b543e4b839afb61d28f395b2caa3901
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SHA256
b342f8987e50c0b71382b1ca6b162b77b94a7415e1cfab565f902018d6a992e0
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SHA512
fc0190766a15c455f1fb08f5c039c9a5ccb7f88e4d105531526e6389f73b28f55ce915551eb7a49f3138f26141307c3ce387fa89e3c0ca3a7c7941199564f007
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SSDEEP
12288:h4dMRU/UP4heFjLDFtvoSZuUXZRY49SA7GI/p7a6o2Mhi9dl7Lue1VQbhUVzoWCC:qwU/UwhWvBXZpSRSJo2xL7TA7QV
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Darkcomet family
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Modifies WinLogon for persistence
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Modifies firewall policy service
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Modifies security service
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Windows security bypass
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Disables RegEdit via registry modification
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Disables Task Manager via registry modification
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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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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Windows security modification
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Adds Run key to start application
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
7