Technical Information
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\winlogon.exe' = '<SYSTEM32>\winlogon.exe:*:enabled:@shell32...
Injects code into
the following system processes:
- <SYSTEM32>\winlogon.exe
a large number of user processes.
Restores hooked functions in System Service Descriptor Table (SSDT).
Network activity:
Connects to:
- 'il#.#renz.pl':80
UDP:
- DNS ASK il#.#renz.pl
