General
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Target
Blackkomet.exe
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Size
756KB
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Sample
250216-cqxrmawrgj
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MD5
c7dcd585b7e8b046f209052bcd6dd84b
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SHA1
604dcfae9eed4f65c80a4a39454db409291e08fa
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SHA256
0e8336ed51fe4551ced7d9aa5ce2dde945df8a0cc4e7c60199c24dd1cf7ccd48
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SHA512
c5ba102b12d2c685312d7dc8d58d98891b73243f56a8491ea7c41c2edaaad44ad90b8bc0748dbd8c84e92e9ae9bbd0b0157265ebe35fb9b63668c57d0e1ed5f2
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SSDEEP
12288:XOANXryu1S69QwWBIlVi4o858nFBKgmvtOwUATgDQ3:eANOCS6qwWB0V5o8mnqvtrdgDQ3
Behavioral task
behavioral1
Sample
Blackkomet.exe
Resource
win10v2004-20250207-en
Behavioral task
behavioral2
Sample
Blackkomet.exe
Resource
win10ltsc2021-20250207-en
Malware Config
Extracted
darkcomet
Guest1111
193.242.166.48:1605
DC_MUTEX-2QRLPN3
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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
Targets
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Target
Blackkomet.exe
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Size
756KB
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MD5
c7dcd585b7e8b046f209052bcd6dd84b
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SHA1
604dcfae9eed4f65c80a4a39454db409291e08fa
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SHA256
0e8336ed51fe4551ced7d9aa5ce2dde945df8a0cc4e7c60199c24dd1cf7ccd48
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SHA512
c5ba102b12d2c685312d7dc8d58d98891b73243f56a8491ea7c41c2edaaad44ad90b8bc0748dbd8c84e92e9ae9bbd0b0157265ebe35fb9b63668c57d0e1ed5f2
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SSDEEP
12288:XOANXryu1S69QwWBIlVi4o858nFBKgmvtOwUATgDQ3:eANOCS6qwWB0V5o8mnqvtrdgDQ3
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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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Deletes itself
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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 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
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
2