Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Svchost' = '%HOMEPATH%\Desktop\Svchost.exe'
- [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\policies\Explorer\run] 'Svchost.exe' = '%APPDATA%\Svchost.exe'
- [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'Svchost.exe' = '%APPDATA%\Svchost.exe'
- [<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Svchost.exe' = '%APPDATA%\Svchost.exe'
- [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{EDFF5F6B-FEAF-FDA4-7BB5-F9BEAB892038}] 'StubPath' = '%APPDATA%\Svchost.exe'
- [<HKCU>\SOFTWARE\Microsoft\Active Setup\Installed Components\{EDFF5F6B-FEAF-FDA4-7BB5-F9BEAB892038}] 'StubPath' = '%APPDATA%\Svchost.exe'
Creates the following files on removable media
- <Drive name for removable media>:\autorun.ini
Malicious functions
To bypass firewall, removes or modifies the following registry keys
- [<HKLM>\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' = '%WINDIR%\M...
- [<HKLM>\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
- [<HKLM>\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\Svchost.exe' = '%APPDATA%\Svchost.exe:*:Enabled:Windows ...
Injects code into
the following system processes:
- %WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe
Modifies file system
Creates the following files
- %HOMEPATH%\desktop\svchost.exe
- %APPDATA%\svchost.exe
- %APPDATA%\data.dat
Sets the 'hidden' attribute to the following files
- <Drive name for removable media>:\autorun.ini
Network activity
Connects to
- 'se####.no-ip.biz':3080
UDP
- DNS ASK se####.no-ip.biz
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\cmd.exe' /c ipconfig /release & ipconfig /renew' (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%\Svchost.exe" /t REG_SZ /d "%APPDATA%\Svchost.e...' (with hidden window)
Executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe'
- '%WINDIR%\syswow64\cmd.exe' /c ipconfig /release & ipconfig /renew
- '%WINDIR%\syswow64\ipconfig.exe' /release
- '%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%\Svchost.exe" /t REG_SZ /d "%APPDATA%\Svchost.e...
- '%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 ...
- '%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%\Svchost.exe" /t REG_SZ /d "%APPDATA%\Svchost.exe:*:En...
- '%WINDIR%\syswow64\ipconfig.exe' /renew
