Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'd376bd34347a0ce9741c425800791ce8' = '"%TEMP%\windows.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'd376bd34347a0ce9741c425800791ce8' = '"%TEMP%\windows.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\d376bd34347a0ce9741c425800791ce8.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\windows.exe' = '%TEMP%\windows.exe:*:Enabled:windows.exe'
Creates and executes the following:
- '%TEMP%\windows.exe'
- '%WINDIR%\1.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\windows.exe" "windows.exe" ENABLE
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen %WINDIR%\index.jpg
Modifies file system :
Creates the following files:
- %TEMP%\windows.exe
- %HOMEPATH%\Recent\WINDOWS.lnk
- %HOMEPATH%\Recent\index.lnk
- %WINDIR%\1.exe
- %WINDIR%\index.jpg
Network activity:
Connects to:
- 'ni####-55.no-ip.biz':1177
UDP:
- DNS ASK ni####-55.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'ShImgVw:CPreviewWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'EDIT' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
