General
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Target
JaffaCakes118_1262fa2c62545950f2d9f468e78d4245
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Size
1.4MB
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Sample
250123-a5tx6stpay
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MD5
1262fa2c62545950f2d9f468e78d4245
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SHA1
2e32b45639a01f53531bf85f12b64cc8c777f1ec
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SHA256
7ec408b7e3ff145bc355517a568c7c56abaddcfb702612e002cac0a47e47b5e7
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SHA512
cd96d5259d06ba61d94e24839936c275067f7127bb173a140025e90ef9afef1315dfabf5c24a7b2d0d491b2008e5142096a363f70629d085ad8db8c2c1046057
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SSDEEP
24576:QdUM80K1+1lZnf0vIzzaGm2VfJtC5xQdMrTCeayHdjgVStXVyqKqhfSbBZy2CCJ6:OUXF1+1lZnf0vIXakI5xowicVX6vcSVY
Behavioral task
behavioral1
Sample
JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_1262fa2c62545950f2d9f468e78d4245.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
darkcomet
Guest16
127.0.0.1:1604
DC_MUTEX-UNBJL0T
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InstallPath
MSDCSC\msdcsc.exe
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gencode
gQCYG1jH5wfi
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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
MicroUpdate
Targets
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Target
JaffaCakes118_1262fa2c62545950f2d9f468e78d4245
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Size
1.4MB
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MD5
1262fa2c62545950f2d9f468e78d4245
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SHA1
2e32b45639a01f53531bf85f12b64cc8c777f1ec
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SHA256
7ec408b7e3ff145bc355517a568c7c56abaddcfb702612e002cac0a47e47b5e7
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SHA512
cd96d5259d06ba61d94e24839936c275067f7127bb173a140025e90ef9afef1315dfabf5c24a7b2d0d491b2008e5142096a363f70629d085ad8db8c2c1046057
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SSDEEP
24576:QdUM80K1+1lZnf0vIzzaGm2VfJtC5xQdMrTCeayHdjgVStXVyqKqhfSbBZy2CCJ6:OUXF1+1lZnf0vIXakI5xowicVX6vcSVY
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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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Executes dropped EXE
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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Loads dropped DLL
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Adds Run key to start application
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Suspicious use of NtSetInformationThreadHideFromDebugger
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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