Dark web markets are accessible through anonymization services such as Tor or I2P. Cybercriminals offering Cybercrime-as-a-service that includes DDoS tools, Malware, Banking data, credit card data, and Ransomware as a service. An individuals complete online identity, including personal identification numbers and hacked financial accounts, can be sold in dark web for $1,200. Facebook credentials sold on the dark web are just $5.20 per account and allow cybercriminals to obtain complete control over your account.”]
Source: https://gbhackers.com/facebook-logins-dark-web-markets/