General
- Target XWormClient.exe
- Size 118KB
- Sample261102-23lybsdx31
- SHA256 4082c974f4601becfd3de19f2683e20c1b5858ae3100a41ec6eacd237a87c5f9
- MD5 fa1f8deb3717d97ae9d2af7f8f8fbddb
- SHA1 d2760a56ecf08f06be0cbdc1dacb3934ee7ec2da
- SHA512 42389d0356a4d615367ae3804ff7089a73baad41903d66e64914fcc035e67c9d2c4c0c15860d88d20cc3e8507d2be830e24ae8f9ae0b5ea64f0eac44df60dbb7
- SSDEEP 1536:3UiDTAzX/BeidBb24Zw4/LheUlko/b+sAEKuhO01a4+j1sXbqq8UxqLP80OmH7:1Mz/gidhQcgUl5/b+xGB+ZOmmxqLkM7
- TLSH T1B6C36D28B7DA8019F0BFAFF159E0755ACA79E3332902555F18C602564B33EC9DD828F9
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
XWormClient.exe
Resource
win10ltsc2021-20260911-en
Malware Config
Targets
-
- Target XWormClient.exe
- Size 118KB
- SHA256 4082c974f4601becfd3de19f2683e20c1b5858ae3100a41ec6eacd237a87c5f9
- MD5 fa1f8deb3717d97ae9d2af7f8f8fbddb
- SHA1 d2760a56ecf08f06be0cbdc1dacb3934ee7ec2da
- SHA512 42389d0356a4d615367ae3804ff7089a73baad41903d66e64914fcc035e67c9d2c4c0c15860d88d20cc3e8507d2be830e24ae8f9ae0b5ea64f0eac44df60dbb7
- SSDEEP 1536:3UiDTAzX/BeidBb24Zw4/LheUlko/b+sAEKuhO01a4+j1sXbqq8UxqLP80OmH7:1Mz/gidhQcgUl5/b+xGB+ZOmmxqLkM7
- TLSH T1B6C36D28B7DA8019F0BFAFF159E0755ACA79E3332902555F18C602564B33EC9DD828F9
- MD5 SHA1 SHA512 SSDEEP TLSH
-
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
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Creates a file in the Startup directory
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
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Executes dropped EXE
-
Registers new Windows logon scripts automatically executed at logon.
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Adds Run key to start application
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Boot or Logon Initialization Scripts
1Logon Script (Windows)
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Boot or Logon Initialization Scripts
1Logon Script (Windows)
1Scheduled Task/Job
1Scheduled Task
1