Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'LAN Service' = '%ProgramFiles%\LAN Service\lansv.exe'
- [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows] 'Load' = '%TEMP%\FolderN\name.exe.lnk'
Malicious functions:
Creates and executes the following:
- '%TEMP%\svhost.exe'
Executes the following:
- '<SYSTEM32>\reg.exe' add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%TEMP%\FolderN\name.exe.lnk" /f
- '<SYSTEM32>\cmd.exe'
Injects code into
the following user processes:
- svhost.exe
Modifies file system:
Creates the following files:
- %ProgramFiles%\LAN Service\lansv.exe
- %APPDATA%\23EF5514-3059-436F-A4A7-4CEFAAB20EB1\run.dat
- %TEMP%\svhost.exe
Moves itself:
- from <Full path to file> to %HOMEPATH%\AppData\Local\Temp\melt.txt
Network activity:
Connects to:
- '10.##1.85.30':5570
- '18#.#4.181.85':5570
