General
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Target
JaffaCakes118_afe42016a936e490b4ac1b6d97131fe7
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Size
811KB
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Sample
250411-zrjmqaztht
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MD5
afe42016a936e490b4ac1b6d97131fe7
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SHA1
22b8ef5c7c6fb65b5bc8df1ad93fb498fc4c53fc
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SHA256
273302cd9a562a7d510247c1fb5142320f807aaf302f9c2c85b2d1de50bd54ac
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SHA512
91f5ea8490b675c3e4e1fc5d0c46eae685fa28eaaf3df26721b4035ccc6dff78f0cfb16906cc58f6468d8e11d84219f9dd889127d52227a8693511d77b60d5a7
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SSDEEP
12288:baAchpWsuVTv7ItY8XljyypHP7cOLBev03hlULsmWZ++09ZcKDVsgdEFIIhII:uAEENIq8XwyVPQclDq/+WnpsS
Malware Config
Extracted
darkcomet
Test
127.0.0.1:1604
DC_MUTEX-UY731LJ
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InstallPath
Windupdt\winupd1ate.exe
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gencode
Y=RvBUweF7Y4
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install
true
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offline_keylogger
true
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password
1kn0w1t1
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persistence
true
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reg_key
winu1pdater
Targets
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Target
JaffaCakes118_afe42016a936e490b4ac1b6d97131fe7
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Size
811KB
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MD5
afe42016a936e490b4ac1b6d97131fe7
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SHA1
22b8ef5c7c6fb65b5bc8df1ad93fb498fc4c53fc
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SHA256
273302cd9a562a7d510247c1fb5142320f807aaf302f9c2c85b2d1de50bd54ac
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SHA512
91f5ea8490b675c3e4e1fc5d0c46eae685fa28eaaf3df26721b4035ccc6dff78f0cfb16906cc58f6468d8e11d84219f9dd889127d52227a8693511d77b60d5a7
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SSDEEP
12288:baAchpWsuVTv7ItY8XljyypHP7cOLBev03hlULsmWZ++09ZcKDVsgdEFIIhII:uAEENIq8XwyVPQclDq/+WnpsS
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Darkcomet family
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Modifies WinLogon for persistence
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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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Adds Run key to start application
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MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1