Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '4d062150e3f90e2db9ef52abaeb64ca9' = '"%TEMP%\server.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '4d062150e3f90e2db9ef52abaeb64ca9' = '"%TEMP%\server.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\4d062150e3f90e2db9ef52abaeb64ca9.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\server.exe' = '%TEMP%\server.exe:*:Enabled:server.exe'
Creates and executes the following:
- '%TEMP%\server.exe'
- '%HOMEPATH%\Local Settings\Tempserver.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\server.exe" "server.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\server.exe
- %HOMEPATH%\Local Settings\Tempserver.exe
Network activity:
Connects to:
- 'th#####tdz.no-ip.biz':5552
UDP:
- DNS ASK th#####tdz.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'