Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'king_mg' = '%TEMP%\mgking.exe'
Substitutes the following executable system files:
- <DRIVERS>\cdaudio.sys with <DRIVERS>\SET2.tmp
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\egmjjb.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
Installs hooks to intercept notifications
on keystrokes:
- Handler for all processes: %TEMP%\mgking0.dll
Searches for windows to
bypass different anti-viruses:
- ClassName: 'AVP.Product_Notification' WindowName: '(null)'
- ClassName: 'AVP.AlertDialog' WindowName: '(null)'
Restores hooked functions in System Service Descriptor Table (SSDT).
Forces autoplay for removable media.
Modifies file system :
Creates the following files:
- <SYSTEM32>\dllcache\cdaudio.sys.new
- <DRIVERS>\SET2.tmp
- %TEMP%\am1.rar
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\am1[1].rar
- <DRIVERS>\SET1.tmp
- %TEMP%\mgking0.dll
- %TEMP%\mgking.exe
- C:\autorun.inf
- C:\egmjjb.exe
Sets the 'hidden' attribute to the following files:
- C:\autorun.inf
- <Drive name for removable media>:\egmjjb.exe
- <Drive name for removable media>:\autorun.inf
- %TEMP%\mgking.exe
- %TEMP%\mgking0.dll
- C:\egmjjb.exe
Deletes the following files:
- C:\autorun.inf
- <Drive name for removable media>:\egmjjb.exe
- <Drive name for removable media>:\autorun.inf
- C:\egmjjb.exe
- <DRIVERS>\cdaudio.sys
- <DRIVERS>\SET1.tmp
- %TEMP%\am1.rar
Moves the following files:
- from <SYSTEM32>\dllcache\cdaudio.sys.new to <SYSTEM32>\dllcache\cdaudio.sys
Deletes itself.
Network activity:
Connects to:
- 'www.16##cf.com':80
- 'localhost':1035
TCP:
HTTP GET requests:
- www.16##cf.com/1mg/am1.rar
UDP:
- DNS ASK www.16##cf.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'IEFrame' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
