General
- Target https://limewire.com/d/VwfnV#XclPZYrltG
- Sample250324-vxrhaswr17
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://limewire.com/d/VwfnV#XclPZYrltG
Resource
win11-20250313-en
Malware Config
Extracted
-
xworm
-
trashy123-20554.portmap.host:20554
-
Install_directory
%AppData%
-
install_file
ValthRun.exe
Extracted
-
ps1
-
exe.dropper
https://github.com/valthrunner/Valthrun/releases/latest/download/run.bat
Targets
-
- Target https://limewire.com/d/VwfnV#XclPZYrltG
Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
Detect Xworm Payload
Xenarmor family
Xworm family
Blocklisted process makes network request
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Disables Task Manager via registry modification
Sets service image path in registry
ACProtect 1.3x - 1.4x DLL software
Detects file using ACProtect software.
Drops startup file
Executes dropped EXE
Loads dropped DLL
Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
Adds Run key to start application
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
Legitimate hosting services abused for malware hosting/C2
Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1