Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'c575fa67a5b741c6fd5a76b46efd1e72' = '"%TEMP%\crss.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'c575fa67a5b741c6fd5a76b46efd1e72' = '"%TEMP%\crss.exe" ..'
Malicious functions:
Creates and executes the following:
- '%TEMP%\crss.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\crss.exe" "crss.exe" ENABLE
Modifies file system :
Creates the following files:
- %APPDATA%\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c575fa67a5b741c6fd5a76b46efd1e72.exe
- %TEMP%\crss.exe
Network activity:
UDP:
- DNS ASK dn#.##ftncsi.com
- DNS ASK bl####one.ddns.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'Indicator' WindowName: ''