General
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Target
b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118
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Size
1.2MB
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Sample
241202-bnm9qs1rct
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MD5
b613e758e631fcee1d431b5e26f3a87f
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SHA1
10cb86a97152318ec62341aa35150c2ef9bff2ae
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SHA256
f5ef80966b98151e339d0e47d8544eb2699006ff9a6e80ce46014201a6c63fc8
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SHA512
559048aab40d30ec375ef4818a5404992e5f844b350797f856cb1bbd00b0b487f37f9ae846945ffd02c8a84c4fc66d1ce3b76e8bc7f0fddd15dbc9414be100df
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SSDEEP
24576:D1r3ZH1QqTA/ZcaNcJKi0ZcmBIT++QKe+6XP:D1ENm+cmUuL
Static task
static1
Behavioral task
behavioral1
Sample
b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Resource
win7-20240903-en
Malware Config
Extracted
darkcomet
Guest16
yahoomessenger.myvnc.com:27015
DC_MUTEX-GXCCBRG
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InstallPath
MSDCSC\msdcsc.exe
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gencode
3lXcKivkNMZ6
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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
MicroUpdate
Targets
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Target
b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118
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Size
1.2MB
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MD5
b613e758e631fcee1d431b5e26f3a87f
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SHA1
10cb86a97152318ec62341aa35150c2ef9bff2ae
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SHA256
f5ef80966b98151e339d0e47d8544eb2699006ff9a6e80ce46014201a6c63fc8
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SHA512
559048aab40d30ec375ef4818a5404992e5f844b350797f856cb1bbd00b0b487f37f9ae846945ffd02c8a84c4fc66d1ce3b76e8bc7f0fddd15dbc9414be100df
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SSDEEP
24576:D1r3ZH1QqTA/ZcaNcJKi0ZcmBIT++QKe+6XP:D1ENm+cmUuL
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Darkcomet family
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Modifies WinLogon for persistence
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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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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
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1