Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '3fabcf933a4c477c3ab07aa0bba4f780' = '"%TEMP%\sound.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '3fabcf933a4c477c3ab07aa0bba4f780' = '"%TEMP%\sound.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\3fabcf933a4c477c3ab07aa0bba4f780.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\sound.exe' = '%TEMP%\sound.exe:*:Enabled:sound.exe'
Creates and executes the following:
- '%TEMP%\sound.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\sound.exe" "sound.exe" ENABLE
Modifies file system:
Creates the following files:
- %TEMP%\sound.exe
Network activity:
Connects to:
- 'an####001.myftp.biz':3333
UDP:
- DNS ASK an####001.myftp.biz
