General
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Target
NA_NA_NA_NA_a5af4c08f79b35ex_JC.exe
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Size
2.6MB
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Sample
230727-sj5rnaff64
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MD5
a5af4c08f79b35c34ceee5805528000a
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SHA1
002a2d254be4452a52306311a3a89f4e6e8b6c9e
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SHA256
7b17c406dfd8a47249652d11c966c0e14fafefb7f4bf330e28ab14511f21d71f
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SHA512
2e566aa1b9d30a7a7a171c7636a60bd9467c96c8418fe7f961c8cb351619fa10d6c949866312f30a342e5b92c677ff200acfd458895ae9f400fa4c38b598744c
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SSDEEP
49152:9bYwIM/7t0i0FZaUm8cikLrpYqZRJ5pYqZ:ysnUm8U/6YR36+
Behavioral task
behavioral1
Sample
NA_NA_NA_NA_a5af4c08f79b35ex_JC.exe
Resource
win7-20230712-en
Malware Config
Targets
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Target
NA_NA_NA_NA_a5af4c08f79b35ex_JC.exe
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Size
2.6MB
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MD5
a5af4c08f79b35c34ceee5805528000a
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SHA1
002a2d254be4452a52306311a3a89f4e6e8b6c9e
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SHA256
7b17c406dfd8a47249652d11c966c0e14fafefb7f4bf330e28ab14511f21d71f
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SHA512
2e566aa1b9d30a7a7a171c7636a60bd9467c96c8418fe7f961c8cb351619fa10d6c949866312f30a342e5b92c677ff200acfd458895ae9f400fa4c38b598744c
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SSDEEP
49152:9bYwIM/7t0i0FZaUm8cikLrpYqZRJ5pYqZ:ysnUm8U/6YR36+
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Detect Blackmoon payload
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Adds policy Run key to start application
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Disables RegEdit via registry modification
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Drops file in Drivers directory
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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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Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2