General
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Target
JaffaCakes118_231e9bf33b6d97a4568b7104240fff56
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Size
286KB
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Sample
250225-3ez1qatmz7
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MD5
231e9bf33b6d97a4568b7104240fff56
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SHA1
81c9ee6fccee5d3f38cbcdd73bafb17eec1a8a6f
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SHA256
3dc789a3032fb8e72bca8ec412d710720166405043a553b0479c664390641b94
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SHA512
6999178908f4a0ef6263c53d40738124e6641ad65370dca6b606bfd472e7f64b56651eee97061a23b4f832ed9f6ae1b48b993ca55806d94cfa39688efe128e06
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SSDEEP
3072:23rAsZQCByAxj0v3VGOcZKepLVIfdpxNqaxKZLoZzDu0Ly7Q9+Rjw4bkZbSpsOoZ:ZVvvFIdhUd8QxW7zRjrbk+sOYSaj7
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_231e9bf33b6d97a4568b7104240fff56.exe
Resource
win7-20241010-en
Malware Config
Extracted
darkcomet
prv1
hackflor.no-ip.info:1605
DC_MUTEX-QRC5UD6
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InstallPath
Windupdt\winupdate.exe
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gencode
Y26JiXGYPz$G
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install
true
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offline_keylogger
true
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persistence
false
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reg_key
winupdater
Targets
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Target
JaffaCakes118_231e9bf33b6d97a4568b7104240fff56
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Size
286KB
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MD5
231e9bf33b6d97a4568b7104240fff56
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SHA1
81c9ee6fccee5d3f38cbcdd73bafb17eec1a8a6f
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SHA256
3dc789a3032fb8e72bca8ec412d710720166405043a553b0479c664390641b94
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SHA512
6999178908f4a0ef6263c53d40738124e6641ad65370dca6b606bfd472e7f64b56651eee97061a23b4f832ed9f6ae1b48b993ca55806d94cfa39688efe128e06
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SSDEEP
3072:23rAsZQCByAxj0v3VGOcZKepLVIfdpxNqaxKZLoZzDu0Ly7Q9+Rjw4bkZbSpsOoZ:ZVvvFIdhUd8QxW7zRjrbk+sOYSaj7
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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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Loads dropped DLL
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Adds Run key to start application
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MITRE ATT&CK Enterprise v15
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