Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'SvrWsc' = ''
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\SvrWsc] 'Start' = '00000002'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\PKUJHY\BGVFFS.exe
Malicious functions:
Creates and executes the following:
- '<SYSTEM32>\svrwsc.exe'
Injects code into
the following system processes:
- <SYSTEM32>\cscript.exe
a large number of user processes.
Modifies file system :
Creates the following files:
- %TEMP%\LowBD9A.tmp.bat
- <SYSTEM32>\svrwsc.exe
Deletes itself.
Network activity:
Connects to:
- 'pa##eim.ru':80
TCP:
HTTP POST requests:
- pa##eim.ru/us/federal/index.php
UDP:
- DNS ASK pa##eim.ru
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'