The host at this IP address is obviously operated by cybercriminals. It is running a malware botnet controller which is being used to control infected computers (bots) around the globe using a trojan horse.
Malware botnet controller located at 13.77.222.211 on port 7820 TCP:
$ telnet 13.77.222.211 7820
Trying 13.77.222.211…
Connected to 13.77.222.211.
Escape character is ‘^]’
Referencing malware samples:
MD5 5138650f935189f5a1f88d76996a2154