General
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Target
http://google.com
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Sample
250408-xj5twaymw5
Score
10/10
Malware Config
Extracted
Family
darkcomet
Botnet
Guest1111
C2
193.242.166.48:1605
Mutex
DC_MUTEX-2QRLPN3
Attributes
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InstallPath
Windupdt\winupdate.exe
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gencode
Rb5l52XcV9no
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install
true
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offline_keylogger
false
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password
313131
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persistence
true
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reg_key
winupdater
rc4.plain
Targets
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Target
http://google.com
Score10/10-
Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
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Darkcomet family
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Modifies WinLogon for persistence
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Downloads MZ/PE file
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Sets file to hidden
Modifies file attributes to stop it showing in Explorer etc.
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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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Legitimate hosting services abused for malware hosting/C2
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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
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
2