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Hackers Sneak 'More_Eggs' Malware Into Resumes Sent to Corporate Hiring Managers

 

A year after potential candidates looking for work on LinkedIn were tempted with weaponized job offers, a new series of phishing assaults carrying the more eggs malware has been detected attacking corporate hiring supervisors with false resumes as an infection vector. 

Keegan Keplinger, eSentire's research and reporting lead said in a statement, "This year the more_eggs operation has flipped the social engineering script, targeting hiring managers with fake resumes instead of targeting job seekers with fake job offers."
 
Four separate security events were identified and disrupted, according to the Canadian cybersecurity firm, three of which happened towards the end of March. A U.S.-based aerospace company, a U.K.-based accounting firm, a legal firm, and a hiring agency, all based in Canada, are among the targets. 

The malware, which is thought to have been created by a threat actor known as Golden Chickens (aka Venom Spider), is a stealthy, modular backdoor suite capable of stealing sensitive data and lateral movement across a hacked network. 

Keplinger stated, "More_eggs achieves execution bypassing malicious code to legitimate windows processes and letting those windows processes do the work for them."
 
The goal is to leverage the resumes as a decoy to launch the malware and sidestep detection. Apart from the role reversal in the mode of operation, it's unclear what the attackers were after, given that the attacks were stopped before they could carry out their intentions. However, it's worth noting that, once deployed, more eggs might be used as a launchpad for further assaults like data theft and ransomware. 

"The threat actors behind more_eggs use a scalable, spear-phishing approach that weaponizes expected communications, such as resumes, that match a hiring manager's expectations or job offers, targeting hopeful candidates that match their current or past job titles," Keplinger stated.