Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'b7c77f48dde2ad69a039c2aceab2d240' = '"%WINDIR%\windows.exe" ..'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'b7c77f48dde2ad69a039c2aceab2d240' = '"%WINDIR%\windows.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '18.exe' = '%APPDATA%Microsoft\System\Services\18.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '18.exe' = '%APPDATA%Microsoft\System\Services\18.exe'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\b7c77f48dde2ad69a039c2aceab2d240.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\windows.exe' = '%WINDIR%\windows.exe:*:Enabled:windows.exe'
Creates and executes the following:
- '%WINDIR%\windows.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%WINDIR%\windows.exe" "windows.exe" ENABLE
Modifies file system :
Creates the following files:
- %WINDIR%\windows.exe
- %APPDATA%Microsoft\System\Services\18.exe
Sets the 'hidden' attribute to the following files:
- %WINDIR%\windows.exe
- <Full path to virus>
Modifies the HOSTS file.
Network activity:
Connects to:
- 'ka####ntl.no-ip.biz':1177
UDP:
- DNS ASK ka####ntl.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'