Intel 471 released a new article today that is significant for shining some light into some otherwise murky areas. They write, in part:
Intel 471 has been tracking over 25 different ransomware-as-a-service crews over the past year, ranging from well-known groups that have become synonymous with ransomware, to newly-formed variants that have risen from the failures of old, to completely new variants that may have the ability to unseat the current top-level cabals.
They then proceed to discuss three tiers of RaaS and the various groups.
Read it all here.