General
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Target
https://github.com/fxaustountermed/WaveInstaller/archive/refs/heads/main.zip
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Sample
240904-snnzpsthle
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://github.com/fxaustountermed/WaveInstaller/archive/refs/heads/main.zip
Resource
win10v2004-20240802-en
Malware Config
Extracted
xworm
127.0.0.1:54183
193.161.193.99:54183
blakedonahue-54183.portmap.host:54183
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Install_directory
%ProgramData%
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install_file
WaveUpdater.exe
Targets
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Target
https://github.com/fxaustountermed/WaveInstaller/archive/refs/heads/main.zip
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Detect Xworm Payload
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Credentials from Password Stores: Credentials from Web Browsers
Malicious Access or copy of Web Browser Credential store.
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Creates new service(s)
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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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Indicator Removal: Clear Windows Event Logs
Clear Windows Event Logs to hide the activity of an intrusion.
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Loads dropped DLL
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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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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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Power Settings
powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Scheduled Task/Job
1Scheduled Task
1System Services
2Service Execution
2Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Power Settings
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
1Indicator Removal
1Clear Windows Event Logs
1Modify Registry
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1