Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ctfmon.exe' = '<SYSTEM32>\ctfmon.exe'
Creates or modifies the following files:
- %WINDIR%\Tasks\ЗеАнА¬»ш.bat
Substitutes the following executable system files:
- <SYSTEM32>\dllcache\ctfmon.exe with <SYSTEM32>\dllcache\ctfmon.exe
- <SYSTEM32>\ctfmon.exe with <SYSTEM32>\ctfmon.exe
Creates the following files on removable media:
- <Drive name for removable media>:\recycle.{645FF040-5081-101B-9F08-00AA002F954E}\123.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
Creates and executes the following:
- %TEMP%\uZFu8o4as9.pif
- %TEMP%\KKBZhqZGOp.pif
- <SYSTEM32>\wins\svchost.exe
- %TEMP%\uZFu8o4as9.pif (downloaded from the Internet)
- %TEMP%\KKBZhqZGOp.pif (downloaded from the Internet)
Executes the following:
- <SYSTEM32>\ipconfig.exe
- <SYSTEM32>\cmd.exe /c <Current directory>\delrunme.bat
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\ctfmon.exe
Modifies file system :
Creates the following files:
- %TEMP%\KKBZhqZGOp.pif
- %TEMP%\uZFu8o4as9.pif
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\2[1].exe
- <SYSTEM32>\wins\svchost.exe
- <Current directory>\delrunme.bat
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
Deletes the following files:
- <Drive name for removable media>:\autorun.inf
- <SYSTEM32>\dllcache\ctfmon.exe
- <SYSTEM32>\ctfmon.exe
Deletes itself.
Network activity:
Connects to:
- '<Private IP address>':139
- 'localhost':1044
- 'wo##v.cn':80
- '<Private IP address>':445
- 'localhost':1037
- '<Private IP address>':80
TCP:
HTTP GET requests:
- wo##v.cn/2.exe
UDP:
- DNS ASK wo##v.cn
Miscellaneous:
Searches for the following windows:
- ClassName: 'Progman' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
