Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '81604860a3754c7ed334c271da861777' = '"%TEMP%\LightTalk.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '81604860a3754c7ed334c271da861777' = '"%TEMP%\LightTalk.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\81604860a3754c7ed334c271da861777.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\LightTalk.exe' = '%TEMP%\LightTalk.exe:*:Enabled:LightTalk.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\LightTalk.exe" "LightTalk.exe" ENABLE
Modifies file system:
Creates the following files:
- %TEMP%\LightTalk.exe
Network activity:
Connects to:
- 'ww####4.ddns.net':1995
UDP:
- DNS ASK ww####4.ddns.net
Miscellaneous:
Creates and executes the following:
- '%TEMP%\LightTalk.exe'
