General
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Target
https://github.com/Azizishot/Shrek-tools/blob/main/utilities/assets/pyinstaller.exe
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Sample
240508-wvg2hsbb48
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://github.com/Azizishot/Shrek-tools/blob/main/utilities/assets/pyinstaller.exe
Resource
win10v2004-20240426-en
Malware Config
Targets
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Target
https://github.com/Azizishot/Shrek-tools/blob/main/utilities/assets/pyinstaller.exe
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Grants admin privileges
Uses net.exe to modify the user's privileges.
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Downloads MZ/PE file
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Modifies Windows Firewall
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2
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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
Persistence
Account Manipulation
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Account Manipulation
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
2