General
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Target
sdafsdf.exe
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Size
62KB
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Sample
240416-yemyyaag73
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MD5
5797a6b20156f0a2980d1065da29c0bf
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SHA1
0ef27e2a5fdf026647861d7a621dfa3724b11a7b
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SHA256
87d91a5a226ba8b4fc71b6056c6bd5517e658a063ed592ad7b8d0c2023bea832
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SHA512
43860b663a748e01655ea35aa490148ce2b2e2ed68f65afa6ce5dd35e0f71f9196d6208efd854b70da2c0430212392340eb5cfd12ef60ca411c92fa5998af9a0
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SSDEEP
1536:kZpWzfo/gqlER4c+HEbsEgrIsHWN6OOJAODK:1zA/gqKR4cRbsZHEOJAkK
Malware Config
Extracted
xworm
s7vety-47274.portmap.host:47274
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Install_directory
%AppData%
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install_file
End.exe
Targets
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Target
sdafsdf.exe
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Size
62KB
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MD5
5797a6b20156f0a2980d1065da29c0bf
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SHA1
0ef27e2a5fdf026647861d7a621dfa3724b11a7b
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SHA256
87d91a5a226ba8b4fc71b6056c6bd5517e658a063ed592ad7b8d0c2023bea832
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SHA512
43860b663a748e01655ea35aa490148ce2b2e2ed68f65afa6ce5dd35e0f71f9196d6208efd854b70da2c0430212392340eb5cfd12ef60ca411c92fa5998af9a0
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SSDEEP
1536:kZpWzfo/gqlER4c+HEbsEgrIsHWN6OOJAODK:1zA/gqKR4cRbsZHEOJAkK
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Detect Xworm Payload
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Modifies RDP port number used by Windows
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Modifies Windows Firewall
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Sets DLL path for service in the registry
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ACProtect 1.3x - 1.4x DLL software
Detects file using ACProtect software.
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Allows Network login with blank passwords
Allows local user accounts with blank passwords to access device from the network.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Accesses Microsoft Outlook accounts
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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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Modifies WinLogon
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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
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
5Subvert Trust Controls
1Install Root Certificate
1