Antivirus Bypass | Breaking Cybersecurity News | The Hacker News

Cybersecurity researchers have uncovered a new evasive malware loader named SquidLoader that spreads via phishing campaigns targeting Chinese organizations. AT&T LevelBlue Labs, which first observed the malware in late April 2024, said it incorporates features that are designed to thwart static and dynamic analysis and ultimately evade detection. Attack chains leverage phishing emails that come with attachments that masquerade as Microsoft Word documents, but, in reality, are binaries that pave the way for the execution of the malware, which is then used to fetch second-stage shellcode payloads from a remote server, including Cobalt Strike. "These loaders feature heavy evasion and decoy mechanisms which help them remain undetected while also hindering analysis," security researcher Fernando Dominguez said . "The shellcode that is delivered is also loaded in the same loader process, likely to avoid writing the payload to disk and thus risk being detected."