Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Nationalstk] 'Start' = '00000002'
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>\mmucmg.exe'
Injects code into
the following system processes:
- <SYSTEM32>\svchost.exe
Modifies file system :
Creates the following files:
- \Device\LanmanRedirector\WORKGROUP*\MAILSLOT\NET\NETLOGON
- <SYSTEM32>\mmucmg.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
- 'www.dl##h.com':6666
- '<Private IP address>':139
- '<Private IP address>':445
- '<Private IP address>':80
UDP:
- DNS ASK www.dl##h.com
