Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '0374fd9e5fe5fa3965030612d1602ab8' = '"%TEMP%\CallOfJuarez.Exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '0374fd9e5fe5fa3965030612d1602ab8' = '"%TEMP%\CallOfJuarez.Exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\CallOfJuarez.Exe' = '%TEMP%\CallOfJuarez.Exe:*:Enabled:CallOfJuarez.Exe'
Creates and executes the following:
- '%TEMP%\CallOfJuarez.Exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\CallOfJuarez.Exe" "CallOfJuarez.Exe" ENABLE
Modifies file system :
Creates the following files:
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new
- %TEMP%\CallOfJuarez.Exe
Moves the following files:
- from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch
- from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch
Network activity:
Connects to:
- 'localhost':1177
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
