Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'f9be75c5023d5e25b0bbaa6b68899d2b' = '"%TEMP%\firefox.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'f9be75c5023d5e25b0bbaa6b68899d2b' = '"%TEMP%\firefox.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\f9be75c5023d5e25b0bbaa6b68899d2b.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\firefox.exe' = '%TEMP%\firefox.exe:*:Enabled:firefox.exe'
Creates and executes the following:
- '%TEMP%\firefox.exe'
- '%HOMEPATH%\Local Settings\Tempwindows.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\firefox.exe" "firefox.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\server.exe
- %TEMP%\firefox.exe
- %HOMEPATH%\Local Settings\Tempwindows.exe
Network activity:
Connects to:
- 'do######10.mediafire.com':80
- 'wp#d':80
- 'mo####in2.no-ip.biz':1177
TCP:
HTTP GET requests:
- do######10.mediafire.com/ip76ypbuijyg/1x5isq5x8l8bl13/windows.exe
- wp#d/wpad.dat
UDP:
- DNS ASK do######10.mediafire.com
- DNS ASK wp#d
- DNS ASK mo####in2.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
