Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '3d9f1fc71baacf7b896bfdc902ede765' = '"%APPDATA%\Igfxtri.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '3d9f1fc71baacf7b896bfdc902ede765' = '"%APPDATA%\Igfxtri.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\3d9f1fc71baacf7b896bfdc902ede765.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\Igfxtri.exe' = '%APPDATA%\Igfxtri.exe:*:Enabled:Igfxtri.exe'
Creates and executes the following:
- '%APPDATA%\Igfxtri.exe'
- '%TEMP%\SetupS.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\Igfxtri.exe" "Igfxtri.exe" ENABLE
Modifies file system :
Creates the following files:
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new
- %TEMP%\SetupS.exe
- %APPDATA%\Igfxtri.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:
- 's1######5.3utilities.com':31010
UDP:
- DNS ASK s1######5.3utilities.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'