Cyber Security News

GrassCall Malware Targets Job Seekers to Steal Login Credentials

A newly identified cyberattack campaign, dubbed GrassCall, is targeting job seekers in the cryptocurrency and Web3 sectors through fake job interviews.

Attributed to the Russian-speaking cybercriminal group “Crazy Evil,” the campaign uses fraudulent job postings on platforms like LinkedIn, WellFound, and CryptoJobsList to lure victims into downloading malicious software disguised as a video meeting application.

This malware is designed to steal sensitive information such as login credentials, cryptocurrency wallets, and authentication cookies from both Windows and macOS devices.

How the Attack Works

The attackers create fake companies, such as “ChainSeeker.io,” complete with professional-looking websites and social media profiles.

They advertise enticing job opportunities for roles like “Blockchain Analyst” or “Social Media Manager.”

Once a victim applies, they are contacted by a fake Chief Marketing Officer (CMO) via Telegram.

The CMO instructs them to download the GrassCall application from a fraudulent website under the pretense of conducting an online interview.

Upon installation, GrassCall deploys malware tailored to the victim’s operating system.

For Windows users, it installs infostealers like Rhadamanthys or Remote Access Trojans (RATs), while macOS users receive the AMOS Stealer.

These payloads extract stored credentials, cryptocurrency wallet data, and other sensitive information.

Stolen data is often uploaded to Telegram channels where it is monetized.

Evolving Threats and Implications

Recent reports indicate that Crazy Evil has shifted to a new iteration of this campaign, now called VibeCall, which employs similar tactics but with updated malware strains.

The group’s focus on cryptocurrency users highlights the increasing sophistication of financially motivated cybercrime in the digital asset space.

Hundreds of individuals have already fallen victim to this campaign, with many reporting significant financial losses due to drained cryptocurrency wallets.

Cybersecurity experts emphasize the importance of vigilance when applying for jobs in high-risk industries like Web3.

Warning signs include requests to download unknown software or communicate exclusively via unverified platforms like Telegram.

Security firms like Symantec and VMware Carbon Black have implemented detection policies to block associated malware indicators.

Users are advised to:

  • Avoid downloading applications from unverified sources.
  • Cross-check job offers and company details before engaging.
  • Use robust endpoint protection tools that can detect and block infostealers.

As cybercriminals continue to exploit emerging technologies and industries, job seekers must remain cautious and adopt strong cybersecurity practices to safeguard their digital assets.

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Aman Mishra

Aman Mishra is a Security and privacy Reporter covering various data breach, cyber crime, malware, & vulnerability.

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