General
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Target
PassatHook.exe
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Size
81KB
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Sample
250118-3gbqxayjfv
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MD5
6a94bba080aa0680e802f11fc15f3097
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SHA1
5c02939054e727378cb0b53d33cf10fbce153ab8
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SHA256
799e38a2d934e537b2f1caf0803549a16f436b36c75d370f82d8565fa707945a
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SHA512
4de71ce1b3f3de66626a03f136f19f49bd9df9bafc1ded49e1df4c2ee4466e05e8e6c8de88ee45f36118d8d2f5c5194641ba4382fada02d34be2dccfe544c84e
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SSDEEP
1536:jV8pE5LncGZb7ivIUn72/aN6nnOP8YKqX:jV8mncCb2jeOE0X
Malware Config
Extracted
xworm
yet-involving.gl.at.ply.gg:21072
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Install_directory
%AppData%
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install_file
Perm.exe
Targets
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Target
PassatHook.exe
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Size
81KB
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MD5
6a94bba080aa0680e802f11fc15f3097
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SHA1
5c02939054e727378cb0b53d33cf10fbce153ab8
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SHA256
799e38a2d934e537b2f1caf0803549a16f436b36c75d370f82d8565fa707945a
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SHA512
4de71ce1b3f3de66626a03f136f19f49bd9df9bafc1ded49e1df4c2ee4466e05e8e6c8de88ee45f36118d8d2f5c5194641ba4382fada02d34be2dccfe544c84e
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SSDEEP
1536:jV8pE5LncGZb7ivIUn72/aN6nnOP8YKqX:jV8mncCb2jeOE0X
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Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Detect Xworm Payload
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Xworm family
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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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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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
4Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1