Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'CTFMON.EXE' = '%APPDATA%\Microsoft\dwdtsfff\iivggiaw.exe'
Malicious functions:
Executes the following:
- '%WINDIR%\explorer.exe'
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
Modifies file system:
Creates the following files:
- %APPDATA%\Microsoft\dwdtsfff\iivggiaw.exe
Sets the 'hidden' attribute to the following files:
- %APPDATA%\Microsoft\dwdtsfff\iivggiaw.exe
Deletes itself.
Network activity:
Connects to:
- '62.##3.203.55':53
- '18#.#21.177.53':53
- '18#.#21.177.177':53
- '5.###.183.146':53
- '16#.#39.202.202':53
- '14#.#6.133.38':53
- '52.##4.55.168':53
- '20#.#6.232.182':80
- 'www.bing.com':80
- 'wp#d':80
- '31.#.135.232':53
- '13#.#55.73.90':53
- '13#.#9.208.246':53
TCP:
HTTP GET requests:
- http://www.bing.com/
- http://11#.#11.111.1/wpad.dat via wp#d
HTTP POST requests:
- http://go.microsoft.com/fwlink/?Li########## via 20#.#6.232.182
- http://www.microsoft.com/windows via 20#.#6.232.182
- http://support.microsoft.com/kb/953595 via 20#.#6.232.182
- http://support.microsoft.com/ via 20#.#6.232.182
- http://go.microsoft.com/fwlink/?Li########### via 20#.#6.232.182
UDP:
- DNS ASK go.microsoft.com
- DNS ASK www.microsoft.com
- DNS ASK support.microsoft.com
- DNS ASK wp#d
- DNS ASK www.bing.com
