General
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Target
https://cdn.discordapp.com/attachments/1249405178076205188/1249406731537354782/xylex.zip?ex=66673031&is=6665deb1&hm=70000b2f7b4ad9e3415ab0b9624246f832c91930569841b18229795b99c6b64b&
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Sample
240609-vk31kadd63
Malware Config
Extracted
xworm
medical-m.gl.at.ply.gg:28857
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Install_directory
%ProgramData%
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install_file
conhost.exe
Targets
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Target
https://cdn.discordapp.com/attachments/1249405178076205188/1249406731537354782/xylex.zip?ex=66673031&is=6665deb1&hm=70000b2f7b4ad9e3415ab0b9624246f832c91930569841b18229795b99c6b64b&
Score10/10-
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
Xworm is a remote access trojan written in C#.
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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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Uses the VBS compiler for execution
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Adds Run key to start application
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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 Matrix ATT&CK v13
Execution
Command and Scripting Interpreter
1PowerShell
1Scripting
1Scheduled Task/Job
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1