Apple Silicon is based on ARM architecture, which means that many current software that relies on Intel architecture (like VirtualBox's hypervisor) does not play nice. Here's my current research to set up my own M1 Apple:
VirtualBox does not have an offering, use the VMWare Fusion Public Tech Preview (likely will be discontinued by Fall 2022). If interested in using Vagrant to manage VMs, use this gist by sbailliez which expands upon the official installation documentation to let Vagrant + VMWare + M1 to work (I currently have an Ubuntu 20.04 VM running).
thankfully Docker has released Docker for Apple Silicon. And if anyone's really ambitious (I'm not but fou