Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '<File name>.exe' = '<Full path to file> '
Malicious functions:
Executes the following:
- '%CommonProgramFiles%\Microsoft Shared\DW\DW20.EXE' -x -s 916
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\CSC1.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\nunn0ci-.cmdline"
Modifies file system:
Creates the following files:
- %TEMP%\nunn0ci-.dll
- %TEMP%\RES2.tmp
- %TEMP%\3472C.dmp
- %TEMP%\dw.log
- %TEMP%\nunn0ci-.cmdline
- %TEMP%\nunn0ci-.0.cs
- %TEMP%\CSC1.tmp
- %TEMP%\nunn0ci-.out
Deletes the following files:
- %TEMP%\nunn0ci-.dll
- %TEMP%\nunn0ci-.0.cs
- %TEMP%\3472C.dmp
- %TEMP%\nunn0ci-.out
- %TEMP%\RES2.tmp
- %TEMP%\CSC1.tmp
- %TEMP%\nunn0ci-.cmdline
Network activity:
Connects to:
- 'ro###.360dev.info':80
- 'fr###eoip.net':80
- 'wp#d':80
TCP:
HTTP GET requests:
- http://ro###.360dev.info/Gray/dotex/3/.xml
- http://fr###eoip.net/xml/
- http://11#.#11.111.1/wpad.dat via wp#d
UDP:
- DNS ASK ro###.360dev.info
- DNS ASK fr###eoip.net
- DNS ASK wp#d
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
