Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '31ea1d36e1252d4de4eaf91480931db0' = '"%TEMP%\GTD.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '31ea1d36e1252d4de4eaf91480931db0' = '"%TEMP%\GTD.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\31ea1d36e1252d4de4eaf91480931db0.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\GTD.exe' = '%TEMP%\GTD.exe:*:Enabled:GTD.exe'
Creates and executes the following:
- '%TEMP%\GTD.exe'
- '%TEMP%\99.exe'
- '%TEMP%\352.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\GTD.exe" "GTD.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\GTD.exe
- %TEMP%\99.exe
- %TEMP%\352.exe
Network activity:
Connects to:
- '11#.#11.111.1':1500
UDP:
- DNS ASK 1####13.zapto.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
