Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'ecc7c8c51c0850c1ec247c7fd3602f20' = '"%TEMP%\windows.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ecc7c8c51c0850c1ec247c7fd3602f20' = '"%TEMP%\windows.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'
- '%HOMEPATH%\Local Settings\Tempserver.exe'
- '%HOMEPATH%\Local Settings\TempNjrat_Dz_Crypter_V2_00.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\windows.exe" "windows.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\windows.exe
- %HOMEPATH%\Local Settings\Tempserver.exe
- %HOMEPATH%\Local Settings\TempNjrat_Dz_Crypter_V2_00.exe
Network activity:
Connects to:
- 'ea##.no-ip.biz':1995
UDP:
- DNS ASK ea##.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'