Researchers with Counter Threat Unit at SecureWorks are monitoring the Bronze Butler cyberespionage group (aka Tick) The hacker group has been targeting Japanese heavy industry, manufacturing and international relations at least since 2012. The group is linked to the Peoples Republic of China and is focused on exfiltrating confidential data. The hackers used spearphishing, strategic web compromises (SWCs) in their targeted attacks and leveraged zero-day exploit to compromise targeted systems. Researchers documented one of the malware in the arsenal of the group, the Daserf backdoor that allows gaining full control over the compromised system.”]
Source: https://securityaffairs.co/wordpress/64311/hacking/bronze-butler-ttps.html