Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\policies\Explorer\run] 'Windows Defender' = '%APPDATA%\WinDefender.exe'
- [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'Windows Defender' = '%APPDATA%\WinDefender.exe'
- [<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Defender' = '%APPDATA%\WinDefender.exe'
- [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{FB9AEEAA-CCC3-8AD2-CCBD-0CCCC4DDDF4A}] 'StubPath' = '%APPDATA%\WinDefender.exe'
- [<HKCU>\SOFTWARE\Microsoft\Active Setup\Installed Components\{FB9AEEAA-CCC3-8AD2-CCBD-0CCCC4DDDF4A}] 'StubPath' = '%APPDATA%\WinDefender.exe'
Creates the following files on removable media
- <Drive name for removable media>:\<File name>.exe
- <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] 'DoNotAllowExceptions' = '00000000'
- [<HKLM>\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to file>' = '<Full path to file>:*:Enabled:Windows Mess...
- [<HKLM>\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\WinDefender.exe' = '%APPDATA%\WinDefender.exe:*:Enabled:...
Injects code into
the following user processes:
- winlogon.sys
Installs hooks to intercept notifications
on keystrokes:
- Handler for all processes: <Full path to file>
Modifies file system
Creates the following files
- %TEMP%\d424a80f76e16bf552a09fae02fee808_97684.jpg
- %APPDATA%\qknsfcl\yxxzhuwq\10.7.6.3\winlogon.sys
- %TEMP%\wmpnetk.exe
- %APPDATA%\windefender.exe
- %APPDATA%\svhost
Sets the 'hidden' attribute to the following files
- <Full path to file>
- %APPDATA%\windefender.exe
- <Drive name for removable media>:\<File name>.exe
- <Drive name for removable media>:\autorun.ini
Network activity
UDP
- DNS ASK ve###.zapto.org
Miscellaneous
Creates and executes the following
- '%APPDATA%\qknsfcl\yxxzhuwq\10.7.6.3\winlogon.sys'
- '%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 "<Full path to file>" /t REG_SZ /d "<Full path to file>:*...' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\WinDefender.exe" /t REG_SZ /d "%APPDATA%\WinDe...' (with hidden window)
Executes the following
- '%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 "<Full path to file>" /t REG_SZ /d "<Full path to file>:*...
- '%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\WinDefender.exe" /t REG_SZ /d "%APPDATA%\WinDe...
- '%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 "<Full path to file>" /t REG_SZ /d "<Full path to file>:*:Enable...
- '%WINDIR%\syswow64\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\WinDefender.exe" /t REG_SZ /d "%APPDATA%\WinDefender....
