General
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Target
JaffaCakes118_af78729c33017ef7ff7455db34c542ac
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Size
872KB
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Sample
250411-w5yr1sxkv9
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MD5
af78729c33017ef7ff7455db34c542ac
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SHA1
563a10172a1d0fbd6d78282432693f9d5b5d3584
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SHA256
1396a0b6696ab2c0df67e111ca920ebdaaed066a76c88d31dcc7eef4ab3bfcbe
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SHA512
6764bcb0def2594b0ce0fe7d9f2e37ae051e3002673bbfe2a5b557b582b7fbe4e7a8796c6fd39fde0d53153f6ca6016f8064b0bf3851c07df490463b19191139
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SSDEEP
24576:12sr/p9rBIOR1ML/AbT+BbcmRKSZX/9npoRs:Vrx9rXLM8bT+BbcmRJx/9poRs
Static task
static1
Malware Config
Extracted
darkcomet
Guest16
127.0.0.1:1604
jiggle.no-ip.info:1604
DC_MUTEX-WVVCTHS
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InstallPath
Windupdt\winupdate.exe
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gencode
Bb*XJWl$q$uY
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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_af78729c33017ef7ff7455db34c542ac
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Size
872KB
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MD5
af78729c33017ef7ff7455db34c542ac
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SHA1
563a10172a1d0fbd6d78282432693f9d5b5d3584
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SHA256
1396a0b6696ab2c0df67e111ca920ebdaaed066a76c88d31dcc7eef4ab3bfcbe
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SHA512
6764bcb0def2594b0ce0fe7d9f2e37ae051e3002673bbfe2a5b557b582b7fbe4e7a8796c6fd39fde0d53153f6ca6016f8064b0bf3851c07df490463b19191139
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SSDEEP
24576:12sr/p9rBIOR1ML/AbT+BbcmRKSZX/9npoRs:Vrx9rXLM8bT+BbcmRJx/9poRs
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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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Drops file in System32 directory
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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