Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '97020a0739c1b4e4867d5c7623b51865' = '"%TEMP%\Windows.Service.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '97020a0739c1b4e4867d5c7623b51865' = '"%TEMP%\Windows.Service.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\97020a0739c1b4e4867d5c7623b51865.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.Service.exe' = '%TEMP%\Windows.Service.exe:*:Enabled:Windows.Service.exe'
Creates and executes the following:
- '%TEMP%\Windows.Service.exe'
- '%TEMP%\Windows3.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\Windows.Service.exe" "Windows.Service.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\aut2.tmp
- %TEMP%\Windows.Service.exe
- %TEMP%\aut1.tmp
- %TEMP%\Windows3.exe
Deletes the following files:
- %TEMP%\aut2.tmp
- %TEMP%\aut1.tmp
Network activity:
Connects to:
- 're####d.no-ip.biz':288
UDP:
- DNS ASK re####d.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'