General
- Target ClaudeUnrestricted.exe
- Size 104.7MB
- Sample260731-3yffesbj7v
- SHA256 6949ffb592917a6eff8d6da59702f44ba24677d329f2009f8b99ea8674a09fde
- MD5 085ecfa57ef05a3613e54406fd755300
- SHA1 eda0915c386d8b02958c230cacb33ff0876c6095
- SHA512 51cacb99f88a14d1eeec6b59a75e2999dbbfbded7c0f8e5178ae088ac446cd8dc0881bf2f227c58a8c51997298b04367bb9ab59840f04f46b0580a320812b009
- SSDEEP 3145728:MfjEQlLgaR55oR/E0/kd0xF8FxH09Vx9XK+8ATT/VY:6n3R0FEPvQVx8+pTW
- TLSH T1163833C0DAC636FBD8F44030F521AC25A69622CB5F3395AF1FE461112EA77C05BB19B9
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
ClaudeUnrestricted.exe
Resource
win11-20260513-en
9 signatures
150 seconds
Malware Config
Targets
-
- Target ClaudeUnrestricted.exe
- Size 104.7MB
- SHA256 6949ffb592917a6eff8d6da59702f44ba24677d329f2009f8b99ea8674a09fde
- MD5 085ecfa57ef05a3613e54406fd755300
- SHA1 eda0915c386d8b02958c230cacb33ff0876c6095
- SHA512 51cacb99f88a14d1eeec6b59a75e2999dbbfbded7c0f8e5178ae088ac446cd8dc0881bf2f227c58a8c51997298b04367bb9ab59840f04f46b0580a320812b009
- SSDEEP 3145728:MfjEQlLgaR55oR/E0/kd0xF8FxH09Vx9XK+8ATT/VY:6n3R0FEPvQVx8+pTW
- TLSH T1163833C0DAC636FBD8F44030F521AC25A69622CB5F3395AF1FE461112EA77C05BB19B9
- MD5 SHA1 SHA512 SSDEEP TLSH
-
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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Loads dropped DLL
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Adds Run key to start application
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Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
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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
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1