Technical Information
Malicious functions:
Creates and executes the following:
- '%APPDATA%\7ykuni.exe'
- '%APPDATA%\7ykuni.exe' (downloaded from the Internet)
Modifies file system :
Creates the following files:
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new
- %APPDATA%\7ykuni.exe
Moves the following files:
- from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch
- from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch
Network activity:
Connects to:
- '18#.#6.100.181':80
- 'wp#d':80
TCP:
HTTP GET requests:
- 18#.#6.100.181/y521y582.exe
- wp#d/wpad.dat
UDP:
- DNS ASK wp#d
