Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'king_mg' = '<SYSTEM32>\mgking.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\w9.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\winlogon.exe' = '<SYSTEM32>\winlogon.exe:*:enabled:@shell32.dll,-1'
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
- <SYSTEM32>\winlogon.exe
Restores hooked functions in System Service Descriptor Table (SSDT).
Forces autoplay for removable media.
Modifies file system :
Creates the following files:
- %TEMP%\Temporary Internet Files\Content.IE5\Y5CZU56N\desktop.ini
- %TEMP%\Temporary Internet Files\Content.IE5\C3KJUZSJ\desktop.ini
- %TEMP%\Temporary Internet Files\Content.IE5\WH6VCHIV\desktop.ini
- %TEMP%\History\History.IE5\desktop.ini
- %TEMP%\Temporary Internet Files\Content.IE5\01AZOTE7\desktop.ini
- %TEMP%\Temporary Internet Files\Content.IE5\desktop.ini
- <SYSTEM32>\mgking.exe
- \Device\HarddiskVolume1
- <SYSTEM32>\mgking0.dll
- C:\autorun.inf
- C:\w9.exe
Sets the 'hidden' attribute to the following files:
- %TEMP%\Temporary Internet Files\Content.IE5\Y5CZU56N\desktop.ini
- %TEMP%\Temporary Internet Files\Content.IE5\C3KJUZSJ\desktop.ini
- %TEMP%\Temporary Internet Files\Content.IE5\desktop.ini
- %TEMP%\History\History.IE5\desktop.ini
- %TEMP%\Temporary Internet Files\Content.IE5\01AZOTE7\desktop.ini
- %TEMP%\Temporary Internet Files\Content.IE5\WH6VCHIV\desktop.ini
- C:\w9.exe
- <SYSTEM32>\mgking0.dll
- <SYSTEM32>\mgking.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\w9.exe
- C:\autorun.inf
Deletes the following files:
- <DRIVERS>\cdaudio.sys
Deletes itself.
Network activity:
Connects to:
- 'il#.#renz.pl':80
UDP:
- DNS ASK il#.#renz.pl
