Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'd3b990349a673edd93b869ff8d7bd7b5' = '"%APPDATA%\Taskmgr.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'd3b990349a673edd93b869ff8d7bd7b5' = '"%APPDATA%\Taskmgr.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\d3b990349a673edd93b869ff8d7bd7b5.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\Taskmgr.exe' = '%APPDATA%\Taskmgr.exe:*:Enabled:Taskmgr.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\Taskmgr.exe" "Taskmgr.exe" ENABLE
- '%APPDATA%\Taskmgr.exe'
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
- %APPDATA%\Taskmgr.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:
- 'fv##.no-ip.org':8877
UDP:
- DNS ASK fv##.no-ip.org
