Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '5d5e3c1b562e3a75dc95740a35744ad0' = '"%HOMEPATH%\svchost.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '5d5e3c1b562e3a75dc95740a35744ad0' = '"%HOMEPATH%\svchost.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\5d5e3c1b562e3a75dc95740a35744ad0.exe
Creates the following files on removable media:
- <Drive name for removable media>:\What.SCR
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\svchost.exe' = '%HOMEPATH%\svchost.exe:*:Enabled:svchost.exe'
Creates and executes the following:
- '%HOMEPATH%\svchost.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%HOMEPATH%\svchost.exe" "svchost.exe" ENABLE
Modifies file system :
Creates the following files:
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new
- C:\What.SCR
- %HOMEPATH%\svchost.exe
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new
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:
- 'mz######ng2new.zapto.org':81
UDP:
- DNS ASK mz######ng2new.zapto.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'