Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '8b031add5ca67aab7a1155340e511197' = '"%TEMP%\IEMonitor.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '8b031add5ca67aab7a1155340e511197' = '"%TEMP%\IEMonitor.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\8b031add5ca67aab7a1155340e511197.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\IEMonitor.exe' = '%TEMP%\IEMonitor.exe:*:Enabled:IEMonitor.exe'
Creates and executes the following:
- '%TEMP%\IEMonitor.exe'
- '%TEMP%\2.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\IEMonitor.exe" "IEMonitor.exe" ENABLE
- '<SYSTEM32>\mshta.exe' "%TEMP%\Setup.hta"
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%\2.exe
- %TEMP%\Setup.hta
- %TEMP%\IEMonitor.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:
- 'su#####ed.publicvm.com':1177
UDP:
- DNS ASK su#####ed.publicvm.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'HTML Application Host Window Class' WindowName: '(null)'