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 158.69.152.26 on port 54329 TCP:
$ telnet 158.69.152.26 54329
Trying 158.69.152.26…
Connected to 158.69.152.26.
Escape character is ‘^]’
$ nslookup 158.69.152.26
ip26.ip-158-69-152.net
$ dig +short redddhattt.ddns.net
158.69.152.26
Referencing malware samples (MD5 hash):
3f1295a04fbd27dced31e72cd9c825fa — AV detection: 47 / 65 (72.31%)