Technical Information
To ensure autorun and distribution:
Creates the following files on removable media:
- <Drive name for removable media>:\TerNk.exe
- <Drive name for removable media>:\AutoRun.inf
Malicious functions:
Creates and executes the following:
- '<SYSTEM32>\TerNk.exe' TerNk
Executes the following:
- '<SYSTEM32>\cmd.exe' /c %TEMP%\~SiGou.bat
- '<SYSTEM32>\svchost.exe'
Injects code into
the following system processes:
- <SYSTEM32>\svchost.exe
Modifies file system :
Creates the following files:
- %TEMP%\smuutb
- %TEMP%\~SiGou.bat
- %TEMP%\qbxvja
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\Count[1].htm
- <SYSTEM32>\TerNk.exe
Sets the 'hidden' attribute to the following files:
- %TEMP%\~SiGou.bat
- <Drive name for removable media>:\TerNk.exe
- <Drive name for removable media>:\AutoRun.inf
- <SYSTEM32>\TerNk.exe
Deletes the following files:
- <Drive name for removable media>:\AutoRun.inf
- %TEMP%\smuutb
- %TEMP%\qbxvja
Deletes itself.
Network activity:
Connects to:
- '17#.#7.103.46':80
- 'dn#.####urmailboxhere.com':80
TCP:
HTTP GET requests:
- 17#.#7.103.46/~adminvip/d.txt
HTTP POST requests:
- dn#.####urmailboxhere.com/tjym/Count.asp
UDP:
- DNS ASK dn#.####urmailboxhere.com
