Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '2400d508f5a9a73b93748eda6cc707a0' = '"%TEMP%\notepad.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '2400d508f5a9a73b93748eda6cc707a0' = '"%TEMP%\notepad.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\2400d508f5a9a73b93748eda6cc707a0.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\notepad.exe' = '%TEMP%\notepad.exe:*:Enabled:notepad.exe'
Creates and executes the following:
- '%TEMP%\notepad.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\notepad.exe" "notepad.exe" ENABLE
Modifies file system:
Creates the following files:
- %TEMP%\notepad.exe
Network activity:
Connects to:
- 'yz###.system-ns.net':5552
UDP:
- DNS ASK yz###.system-ns.net
