Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '39382b4c1c5e636cedaa0d3198229b77' = '"%TEMP%\VClient.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '39382b4c1c5e636cedaa0d3198229b77' = '"%TEMP%\VClient.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\39382b4c1c5e636cedaa0d3198229b77.exe
Creates the following files on removable media:
- <Drive name for removable media>:\39382b4c1c5e636cedaa0d3198229b77.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\VClient.exe' = '%TEMP%\VClient.exe:*:Enabled:VClient.exe'
Creates and executes the following:
- '%TEMP%\VClient.exe'
- '%TEMP%\LightC.exe'
- '%TEMP%\LightC Un Block.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\VClient.exe" "VClient.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\VClient.exe
- %TEMP%\LightC.exe
- %TEMP%\LightC Un Block.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\39382b4c1c5e636cedaa0d3198229b77.exe
Network activity:
Connects to:
- 'ie####tor.sytes.net':199
UDP:
- DNS ASK ie####tor.sytes.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
