General
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://cdn.discordapp.com/attachments/1259566254663008356/1263793554636144671/Stellar.exe?ex=672a91b7&is=67294037&hm=9a9dd2f12419643bce181f6db7ff132f0f22f0fb134f06517bac891660eb9dfb&
Resource
win10v2004-20241007-en
Malware Config
Extracted
xworm
-
Install_directory
%ProgramData%
-
install_file
USB.exe
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pastebin_url
https://pastebin.com/raw/LsuynkUz
Targets
-
-
Target
https://cdn.discordapp.com/attachments/1259566254663008356/1263793554636144671/Stellar.exe?ex=672a91b7&is=67294037&hm=9a9dd2f12419643bce181f6db7ff132f0f22f0fb134f06517bac891660eb9dfb&
-
Detect Xworm Payload
-
Xworm family
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Downloads MZ/PE file
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Drops startup file
-
Executes dropped EXE
-
Loads dropped DLL
-
Adds Run key to start application
-
Legitimate hosting services abused for malware hosting/C2
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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
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1