Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\WinConfSrv] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- <SYSTEM32>\WinConfSrv.exe
- <SYSTEM32>\WinConfSrv.exe 148 "<Full path to virus>"
Hooks the following functions in System Service Descriptor Table (SSDT):
- NtDeviceIoControlFile, handler: activex32.sys
Modifies file system :
Creates the following files:
- <SYSTEM32>\activex32.sys
- <SYSTEM32>\WinConfSrv.exe
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\WinConfSrv.exe
Deletes itself.
Network activity:
Connects to:
- 'ir#.#orezx.com':9999
UDP:
- DNS ASK ir#.#orezx.com
