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>:\BZNHUM\OKXBDP.exe
Malicious functions:
Creates and executes the following:
- <SYSTEM32>\svrwsc.exe
Injects code into
the following system processes:
- <SYSTEM32>\svchost.exe
- %WINDIR%\Explorer.EXE
- <SYSTEM32>\winlogon.exe
- <SYSTEM32>\services.exe
the following user processes:
- iexplore.exe
- firefox.exe
Modifies file system :
Creates the following files:
- <SYSTEM32>\config\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\wpad[1].dat
- %TEMP%\LowD54C.tmp.bat
- <SYSTEM32>\svrwsc.exe
Deletes itself.
Network activity:
Connects to:
- 'wpad.localdomain':80
- 'ms###emicro.ru':80
TCP:
HTTP GET requests:
- wpad.localdomain/wpad.dat
HTTP POST requests:
- ms###emicro.ru/point/forum/index.php
UDP:
- DNS ASK wpad.localdomain
- DNS ASK ms###emicro.ru
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
