Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Wiprqhjaggskswsu.exe' = '"%APPDATA%\Wiprqhjaggskswsu.exe"'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\NATRIUM\NATRIUM.exe
- <Drive name for removable media>:\NATRIUM\Desktop.ini
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\Wiprqhjaggskswsu.exe' = '%APPDATA%\Wiprqhjaggskswsu.exe:*:Enabled:Skype'
Modifies file system :
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\NATRIUM\NATRIUM.exe
Moves itself:
- from <Full path to virus> to %APPDATA%\Wiprqhjaggskswsu.exe
Network activity:
Connects to:
- 's.###hlab.pl':9000
- 'gi###phere.su':9000
- 'gi##sbh.org':9000
UDP:
- DNS ASK s.###hlab.pl
- DNS ASK gi###phere.su
- DNS ASK gi##sbh.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
