Confucius cybergang spreads backdoor ridden chat apps in Romance scams
As Valentine’s Day approaches, cybercriminals are looking to once again seize the opportunity to target lonely singles in romance schemes looking to persuade victims into downloading malware hidden in chat apps.
The Confucius hacking group has been observed using these scams to deliver malware similar to that used by the Patchwork cybergang. Similarities including the use of custom code, commands in backdoors, and custom structures, according to a Feb. 13 Trend Micro blog post.
Despite the similarities, Trend Micro researches believe the two are different groups, possibly within the same community but with different objectives and modi operandi. Researchers noted Patchwork may be more straightforward with its predominantly malware-based attacks while Confucius’ relies more on social engineering.
The Confucius group looks to deploy bespoke backdoors steal files from their victim’s systems with tailored file stealers that exfiltrate files by abusing a cloud storage service. The group uses several backdoors including sctrls, ByeBye Shell, remote-access-c3, and sip_telephone as well a file stealers, swissknife2, which abuses a cloud storage service as a repository of exfiltrated files.
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