The easiest way to get the REMnux distro is to download the REMnux virtual machine in the OVA format, then import it into your hypervisor. Learn more at https://remnux.org/.
REMnux® is a Linux toolkit for reverse-engineering and analyzing malicious software. REMnux provides a curated collection of free tools created by the community. Analysts can use it to investigate malware without having to find, install, and configure the tools.