This is a beautiful color coded Excel spreadsheet midi key map for almost every single EZX and SSD package made by Toontrack.
user godprobe has made and provides Toontrack Drums - Default MIDI Mapping - Google Sheets that you might find useful:
Toontrack Drums - Default MIDI Mapping - Google Sheets
Then with this you can create your custom made drum maps for Cubase. It won’t take that long. I begged Toontrack to bring back the user made drum maps, but at this point it’s obvious they aren’t interested in doing that as mentioned above.