General
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Target
mrpersonisabigfatskid.exe
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Size
41KB
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Sample
241120-x3cx7s1erb
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MD5
83325ba20e90b7f81fb69a030fe99b79
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SHA1
d4142e85b70bd70e97bfb6258cf84427ce79eea6
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SHA256
91456e4547509c9ddc330deb70e5dd27b5832e00a7e851591c702737327c16fa
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SHA512
52441bec8495436e92281081e3dc8ddfb55f73c7aedb52564f6bb92a36380f286f4379da106f93178f58925690e537ba11d05a4b8cf3847bd4bc1786d13c8629
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SSDEEP
768:treDweeLOoHdSgDdeLhXvgggCLJF5PG9pmS6vOwh/3Emzf:YDweQldSgDItXvvgcFI9AS6vOwp9D
Behavioral task
behavioral1
Sample
mrpersonisabigfatskid.exe
Resource
win10ltsc2021-20241023-en
Malware Config
Extracted
xworm
5.0
10.9.248.138:29647
uB9wPEusM22Q2JdW
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Install_directory
%AppData%
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install_file
$77MicrosoftDefender.exe
Targets
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Target
mrpersonisabigfatskid.exe
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Size
41KB
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MD5
83325ba20e90b7f81fb69a030fe99b79
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SHA1
d4142e85b70bd70e97bfb6258cf84427ce79eea6
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SHA256
91456e4547509c9ddc330deb70e5dd27b5832e00a7e851591c702737327c16fa
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SHA512
52441bec8495436e92281081e3dc8ddfb55f73c7aedb52564f6bb92a36380f286f4379da106f93178f58925690e537ba11d05a4b8cf3847bd4bc1786d13c8629
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SSDEEP
768:treDweeLOoHdSgDdeLhXvgggCLJF5PG9pmS6vOwh/3Emzf:YDweQldSgDItXvvgcFI9AS6vOwp9D
Score10/10-
Detect Xworm Payload
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Xworm family
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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
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Executes dropped EXE
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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.
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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