Technical Information
Malicious functions
To bypass firewall, removes or modifies the following registry keys
- [<HKLM>\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
- [<HKLM>\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\Rename Server.exe' = '%APPDATA%\Rename Server.exe:*:Enab...
- [<HKLM>\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' = '%WINDIR%\M...
Injects code into
the following system processes:
- %WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe
Modifies file system
Creates the following files
- %TEMP%\liz_eqhd.0.cs
- %TEMP%\liz_eqhd.cmdline
- %TEMP%\liz_eqhd.out
- %TEMP%\csca3d3.tmp
- %TEMP%\resa3d4.tmp
- %TEMP%\liz_eqhd.dll
- %TEMP%\cscb5d5.tmp
- %TEMP%\resb5d6.tmp
- %APPDATA%\rename server.exe
- %APPDATA%\data.dat
Deletes the following files
- %TEMP%\resa3d4.tmp
- %TEMP%\csca3d3.tmp
- %TEMP%\liz_eqhd.cmdline
- %TEMP%\liz_eqhd.out
- %TEMP%\liz_eqhd.dll
- %TEMP%\liz_eqhd.0.cs
- %TEMP%\resb5d6.tmp
- %TEMP%\cscb5d5.tmp
Substitutes the following files
- %TEMP%\liz_eqhd.0.cs
- %TEMP%\liz_eqhd.cmdline
- %TEMP%\liz_eqhd.out
- %TEMP%\liz_eqhd.dll
Moves itself
- from <Full path to file> to %APPDATA%\<File name>.exe
Network activity
Connects to
- 'ja####n.no-ip.biz':3080
UDP
- DNS ASK ja####n.no-ip.biz
Miscellaneous
Creates and executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\liz_eqhd.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESA3D4.tmp" "%TEMP%\CSCA3D3.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESB5D6.tmp" "%TEMP%\CSCB5D5.tmp"' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t ...' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\Rename Server.exe" /t REG_SZ /d "%APPDATA%\Ren...' (with hidden window)
Executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\liz_eqhd.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESA3D4.tmp" "%TEMP%\CSCA3D3.tmp"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe'
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESB5D6.tmp" "%TEMP%\CSCB5D5.tmp"
- '%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
- '%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t ...
- '%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\Rename Server.exe" /t REG_SZ /d "%APPDATA%\Ren...
- '%WINDIR%\syswow64\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
- '%WINDIR%\syswow64\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\Rename Server.exe" /t REG_SZ /d "%APPDATA%\Rename Ser...
- '%WINDIR%\syswow64\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t REG_SZ ...
