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%\GM0EJFXHHB.exe' = '%APPDATA%\GM0EJFXHHB.exe:*:Enabled:Wi...
- [<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%\eec8mvme.0.cs
- %TEMP%\eec8mvme.cmdline
- %TEMP%\eec8mvme.out
- %TEMP%\cscde41.tmp
- %TEMP%\resde42.tmp
- %TEMP%\eec8mvme.dll
- %APPDATA%\gm0ejfxhhb.exe
- %APPDATA%\data.dat
Deletes the following files
- %TEMP%\resde42.tmp
- %TEMP%\cscde41.tmp
- %TEMP%\eec8mvme.0.cs
- %TEMP%\eec8mvme.cmdline
- %TEMP%\eec8mvme.out
- %TEMP%\eec8mvme.dll
Network activity
Connects to
- 'pi##.sytes.net':3335
UDP
- DNS ASK pi##.sytes.net
Miscellaneous
Creates and executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\eec8mvme.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESDE42.tmp" "%TEMP%\CSCDE41.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%\GM0EJFXHHB.exe" /t REG_SZ /d "%APPDATA%\GM0EJF...' (with hidden window)
Executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\eec8mvme.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESDE42.tmp" "%TEMP%\CSCDE41.tmp"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe'
- '%WINDIR%\microsoft.net\framework\v2.0.50727\dw20.exe' -x -s 508
- '%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%\GM0EJFXHHB.exe" /t REG_SZ /d "%APPDATA%\GM0EJF...
- '%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%\GM0EJFXHHB.exe" /t REG_SZ /d "%APPDATA%\GM0EJFXHHB.ex...
- '%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 ...
