An ongoing malicious campaign that employs phony call centers has been found to trick victims into downloading malware capable of data exfiltration as well as deploying ransomware on infected systems. The attacks dubbed “BazaCall” eschew traditional social engineering techniques that rely on rogue URLs and malware-laced documents in favor of a vishing-like method. This campaign is part of a broader trend in which criminals use call centers the operators seemingly non-native English speakers as part of an intricate attack chain.
Source: https://thehackernews.com/2021/07/phony-call-centers-tricking-users-into.html