Security expert Dancho Danchev analyzed a new service offering access to thousands of malware-infected hosts in the underground market. He estimates the cost to arrange a botnet composed of 10,000 machines located in the US. A 1,000 U.S. hosts go for $120, 5,000 US.S.-based. hosts are most expensive than machines. located elsewhere due higher online purchasing power compared to the rest of the world. To hide identity of clients during their cyber attacks many services also integrate their offer proposing anonymization proxies for example accessing to Socks5 servers.”]
Source: https://securityaffairs.co/wordpress/12655/cyber-crime/botnet-organization-easy-and-cheap.html