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General
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Target
8d3f622b8952892016c0b582c33687d8_JC.exe
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Size
704KB
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Sample
230930-n8y8ysbd81
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MD5
8d3f622b8952892016c0b582c33687d8
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SHA1
9d1e76efcb39695a5ee663e69e567848a719176d
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SHA256
bc704212e1f9c40781d39d0a9e2ebc5a261ae228d3b3d8705e170d65b69daba2
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SHA512
53c7c8b96a3756f0c94558cbf6dc0cf80438f20275a31db349a2bddab660f453c80b767f8d24ef2128bfedc68401c2963dbbade6c45c5bf945bdfa92647d0873
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SSDEEP
12288:VXgvmzFHi0mo5aH0qMzd5807FyPJQPDHvd:VXgvOHi0mGaH0qSdPFM4V
Static task
static1
Behavioral task
behavioral1
Sample
8d3f622b8952892016c0b582c33687d8_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
8d3f622b8952892016c0b582c33687d8_JC.exe
Resource
win10v2004-20230915-en
Malware Config
Targets
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Target
8d3f622b8952892016c0b582c33687d8_JC.exe
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Size
704KB
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MD5
8d3f622b8952892016c0b582c33687d8
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SHA1
9d1e76efcb39695a5ee663e69e567848a719176d
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SHA256
bc704212e1f9c40781d39d0a9e2ebc5a261ae228d3b3d8705e170d65b69daba2
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SHA512
53c7c8b96a3756f0c94558cbf6dc0cf80438f20275a31db349a2bddab660f453c80b767f8d24ef2128bfedc68401c2963dbbade6c45c5bf945bdfa92647d0873
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SSDEEP
12288:VXgvmzFHi0mo5aH0qMzd5807FyPJQPDHvd:VXgvOHi0mGaH0qSdPFM4V
Score10/10-
Modifies WinLogon for persistence
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Adds policy Run key to start application
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Disables RegEdit via registry modification
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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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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1