General
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Target
entropy.exe
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Size
14.2MB
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Sample
240630-kwfdjavhlg
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MD5
af1ab5ff4b6616672b98ee5258de742e
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SHA1
5afe6e93e79dba341cbd1819620ea357aea0c081
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SHA256
cf700102d84659bb638a5a3e5e5a4e56a531d8bd6a963756168abba5318e868d
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SHA512
aa83ea46bed7ecdb370a0e7eeb49371cb502e27b8ee2f89d9cd8938aa4a695796d3eb361acf48cefcc75674ab722c2bec58d5421343a3595e5309b08a34805ae
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SSDEEP
196608:6WJafoL/tUoTX4ZgbX1yfvjS6tLb6qD6rhZyUvXCKxbdfw:6Wsfm/lbX1WjS6F6rhcU6KxZo
Behavioral task
behavioral1
Sample
entropy.exe
Resource
win11-20240611-en
Malware Config
Extracted
skuld
https://ptb.discord.com/api/webhooks/1256895933057208391/JAbpMTGKr8zp6Y6FOdgpyDyBziX_sUjIHgzVb28cBdxyYsUThLl6pGPEcDd4g-PbwPYr
Targets
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Target
entropy.exe
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Size
14.2MB
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MD5
af1ab5ff4b6616672b98ee5258de742e
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SHA1
5afe6e93e79dba341cbd1819620ea357aea0c081
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SHA256
cf700102d84659bb638a5a3e5e5a4e56a531d8bd6a963756168abba5318e868d
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SHA512
aa83ea46bed7ecdb370a0e7eeb49371cb502e27b8ee2f89d9cd8938aa4a695796d3eb361acf48cefcc75674ab722c2bec58d5421343a3595e5309b08a34805ae
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SSDEEP
196608:6WJafoL/tUoTX4ZgbX1yfvjS6tLb6qD6rhZyUvXCKxbdfw:6Wsfm/lbX1WjS6F6rhcU6KxZo
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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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Drops file in Drivers directory
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Accesses cryptocurrency files/wallets, possible credential harvesting
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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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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1