General
- Target System.exe
- Size 70KB
- Sample260723-qhsdtsdl3v
- SHA256 3f41010c50f02ec2d2f46974826355d954a1c1fc5e4fd3f6e443d9996db4d250
- MD5 b50e64f21b41ddfe38eaddddd1572c01
- SHA1 8d55935dd4c6f687d1d783e0aa5971c85c8573e8
- SHA512 3fac392308b411f7d9166056e5f38bdd6ad9af006c3ba1958155f05892bf846bab7a952648c996a0000fce72e6dc891f6721c4de34e3063db1b16305e0a4bd1f
- SSDEEP 1536:6TscXfBfHxde8pnAppFbOzj/fv+bq6bPSzOhwnYEcXWFVGoN9:esGxde8yppFbO/fv+bYOaYEcXNk9
- TLSH T1F3636B1C7BE50025E1FEAFB55DF13256CF39B6631903C62F28C902964723A89CE916F9
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
xworm
-
XWorm V5.6
-
SWAG6665-57198.portmap.host:57198
-
Install_directory
%AppData%
-
install_file
System.exe
Targets
-
- Target System.exe
- Size 70KB
- SHA256 3f41010c50f02ec2d2f46974826355d954a1c1fc5e4fd3f6e443d9996db4d250
- MD5 b50e64f21b41ddfe38eaddddd1572c01
- SHA1 8d55935dd4c6f687d1d783e0aa5971c85c8573e8
- SHA512 3fac392308b411f7d9166056e5f38bdd6ad9af006c3ba1958155f05892bf846bab7a952648c996a0000fce72e6dc891f6721c4de34e3063db1b16305e0a4bd1f
- SSDEEP 1536:6TscXfBfHxde8pnAppFbOzj/fv+bq6bPSzOhwnYEcXWFVGoN9:esGxde8yppFbO/fv+bYOaYEcXNk9
- TLSH T1F3636B1C7BE50025E1FEAFB55DF13256CF39B6631903C62F28C902964723A89CE916F9
- MD5 SHA1 SHA512 SSDEEP TLSH
-
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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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
-
Executes dropped EXE
-
Adds Run key to start application
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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.
MITRE ATT&CK Enterprise v16
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