Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'CTFMON.EXE' = '%APPDATA%\Microsoft\jstsgwes\iivggiaw.exe'
Malicious functions:
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
Modifies file system:
Creates the following files:
- %TEMP%\nsb2.tmp\System.dll
- %TEMP%\dDZE
- %APPDATA%\Microsoft\jstsgwes\iivggiaw.exe
Sets the 'hidden' attribute to the following files:
- %APPDATA%\Microsoft\jstsgwes\iivggiaw.exe
Network activity:
Connects to:
- 'wp#d':80
- 'bing.com':80
- '20#.#6.232.182':80
TCP:
HTTP GET requests:
- http://11#.#11.111.1/wpad.dat via wp#d
- http://www.bing.com/ via bing.com
- http://go.microsoft.com/fwlink/?Li########### via 20#.#6.232.182
UDP:
- DNS ASK wp#d
- DNS ASK www.bing.com
- DNS ASK go.microsoft.com
Miscellaneous:
Creates and executes the following:
- '<Full path to file>'
Executes the following:
- '%WINDIR%\explorer.exe'
