Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '9ed301a3170fbaadd7d201db3c5bf4a2' = '"%APPDATA%\GoogleCrashHandler.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '9ed301a3170fbaadd7d201db3c5bf4a2' = '"%APPDATA%\GoogleCrashHandler.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\9ed301a3170fbaadd7d201db3c5bf4a2.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\GoogleCrashHandler.exe' = '%APPDATA%\GoogleCrashHandler.exe:*:Enabled:GoogleCrashHandler.exe'
Creates and executes the following:
- '%APPDATA%\GoogleCrashHandler.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\GoogleCrashHandler.exe" "GoogleCrashHandler.exe" ENABLE
Modifies file system :
Creates the following files:
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new
- %APPDATA%\GoogleCrashHandler.exe
Moves the following files:
- from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch
- from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch
Network activity:
Connects to:
- 'ap######-need.servegame.com':11000
UDP:
- DNS ASK ap######-need.servegame.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'