If anyone else is using (or thinking of using) Cakewalk (and why not - it's free!) I've built a drum map for the 2Box.
https://1drv.ms/u/s!AvEC4KT8mxCMqfAYa0ziTV0KwCc6Qw (https://1drv.ms/u/s!AvEC4KT8mxCMqfAYa0ziTV0KwCc6Qw)
Based on the default midi settings and tested on Cakewalk and Drumit5
Should work on Sonar and/or Drumit3 (but untested).
Hope this is useful!