Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'WinUpdat' = 'wscript.exe //B "%TEMP%\WinUpdat.vbs"'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'WinUpdat' = 'wscript.exe //B "%TEMP%\WinUpdat.vbs"'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\WinUpdat.vbs
Creates the following files on removable media:
- <Drive name for removable media>:\WinUpdat.vbs
Modifies file system:
Creates the following files:
- %TEMP%\aut2.tmp
- %TEMP%\WinUpdat.vbs
- %TEMP%\aut1.tmp
- %TEMP%\WinUpdat.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\WinUpdat.vbs
Deletes the following files:
- %TEMP%\aut2.tmp
- %TEMP%\aut1.tmp
Network activity:
Connects to:
- 'localhost':1041
- '8r##.#yq-see.com':1777
- 'wp#d':80
- 'pa###bin.com':443
TCP:
HTTP GET requests:
- http://11#.#11.111.1/wpad.dat via wp#d
UDP:
- DNS ASK 8r##.#yq-see.com
- DNS ASK pa###bin.com
- DNS ASK wp#d
Miscellaneous:
Creates and executes the following:
- '<SYSTEM32>\wscript.exe' "%TEMP%\WinUpdat.vbs"
- '%TEMP%\WinUpdat.exe'