Chinese Group Silver Fox Uses Fake Websites to Deliver Sainbox RAT and Hidden Rootkit
Jun 27, 2025
Malware / Cyber Attack
A new campaign has been observed leveraging fake websites advertising popular software such as WPS Office, Sogou, and DeepSeek to deliver Sainbox RAT and the open-source Hidden rootkit. The activity has been attributed with medium confidence to a Chinese hacking group called Silver Fox (aka Void Arachne), citing similarities in tradecraft with previous campaigns attributed to the threat actor. The phishing websites ("wpsice[.]com") have been found to distribute malicious MSI installers in the Chinese language, indicating that the targets of the campaign are Chinese speakers. "The malware payloads include the Sainbox RAT, a variant of Gh0st RAT, and a variant of the open-source Hidden rootkit," Netskope Threat Labs researcher Leandro Fróes said . This is not the first time the threat actor has resorted to this modus operandi. In July 2024, eSentire detailed a campaign that targeted Chinese-speaking Windows users with fake Google Chrome sites to deliver Gh0st...