Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\Client.exe
Malicious functions:
Injects code into
the following system processes:
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
Modifies file system:
Creates the following files:
- %TEMP%\dzteyhs4.out
- %TEMP%\vbc1.tmp
- %TEMP%\RES2.tmp
- %TEMP%\mWfhaRClgZ.txt
- %TEMP%\dzteyhs4.0.vb
- %TEMP%\dzteyhs4.cmdline
Deletes the following files:
- %TEMP%\dzteyhs4.0.vb
- %TEMP%\dzteyhs4.cmdline
- %TEMP%\dzteyhs4.out
- %TEMP%\RES2.tmp
- %TEMP%\vbc1.tmp
Network activity:
Connects to:
- 'ah####99.ddns.net':333
UDP:
- DNS ASK ah####99.ddns.net
Miscellaneous:
Executes the following:
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\vbc1.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\dzteyhs4.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe'
