General
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Target
NanoCore.exe
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Size
1.1MB
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Sample
250113-zg6dqsxkdv
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MD5
e4aeb7b31d677a5a9a58a4762fab1321
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SHA1
a5e7279b6d59236296031ff87976e33fbd8cf34d
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SHA256
1111f013a010a57a6739a8d4d0891728547cbbf80e45e77369a05d3423a28915
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SHA512
964dda5030a54493aeebb8b478a76ccd98456184224332e66d5b693d311c83da11c360355c8d73e539ebc7b6ed0d0d2e78f65eef0f75d48c64a63cf10411e1fa
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SSDEEP
24576:sdZ1xuVVjfFoynPaVBUR8f+kN10EBIQXiClSI5tIkjh:snQDgok30Edb
Behavioral task
behavioral1
Sample
NanoCore.exe
Resource
win7-20241023-en
Malware Config
Extracted
darkcomet
IDMAN
arrivals.ddns.net:2323
DC_MUTEX-391X2ZJ
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InstallPath
MSDCSC\IDMAN.exe
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gencode
CUWbhGwmWBMb
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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
IDMAN
Targets
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Target
NanoCore.exe
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Size
1.1MB
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MD5
e4aeb7b31d677a5a9a58a4762fab1321
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SHA1
a5e7279b6d59236296031ff87976e33fbd8cf34d
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SHA256
1111f013a010a57a6739a8d4d0891728547cbbf80e45e77369a05d3423a28915
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SHA512
964dda5030a54493aeebb8b478a76ccd98456184224332e66d5b693d311c83da11c360355c8d73e539ebc7b6ed0d0d2e78f65eef0f75d48c64a63cf10411e1fa
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SSDEEP
24576:sdZ1xuVVjfFoynPaVBUR8f+kN10EBIQXiClSI5tIkjh:snQDgok30Edb
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Darkcomet family
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Modifies WinLogon for persistence
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Modifies firewall policy service
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Nanocore family
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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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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
3