Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Network Service] '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>\tgvbgq.exe'
Searches for windows to
detect analytical utilities:
- ClassName: '(null)' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'PROCMON_WINDOW_CLASS' WindowName: '(null)'
- ClassName: '(null)' WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'RegmonClass' WindowName: '(null)'
- ClassName: '(null)' WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'GBDYLLO' WindowName: '(null)'
- ClassName: 'OLLYDBG' WindowName: '(null)'
- ClassName: 'FilemonClass' WindowName: '(null)'
- ClassName: 'pediy06' WindowName: '(null)'
Modifies file system :
Creates the following files:
- \Device\LanmanRedirector\WORKGROUP*\MAILSLOT\NET\NETLOGON
- <SYSTEM32>\tgvbgq.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
- 'vi#.#yddos.com':8000
- '31####.dynamic-dns.net':5213
- '<Private IP address>':139
- '<Private IP address>':445
- '<Private IP address>':80
UDP:
- DNS ASK 31####.dynamic-dns.net
- DNS ASK vi#.#yddos.com
Miscellaneous:
Searches for the following windows:
- ClassName: '18467-41' WindowName: '(null)'
