Phishing Alert: WARMCOOKIE Malware Sneaks Through Job Offers and CAPTCHA Challenges

Phishing campaigns using job-themed lures are spreading the WARMCOOKIE backdoor, targeting Windows users. This malicious software fingerprints machines, captures screenshots, and deploys additional threats. The attacks exploit recruitment emails and CAPTCHA challenges to trick victims into downloading harmful scripts. Stay vigilant and think twice before…

Hot Take:

If WARMCOOKIE was an actual cookie, it would be the kind that tricks you into thinking it’s chocolate chip, but surprise! It’s raisin and malware flavored!

Key Points:

  • WARMCOOKIE is a Windows-based backdoor used in phishing campaigns with job-themed lures.
  • The backdoor is capable of fingerprinting machines, capturing screenshots, and deploying additional malicious programs.
  • Phishing emails mimic recruitment firms and prompt users to solve a CAPTCHA before dropping malicious scripts.
  • WARMCOOKIE uses PowerShell and BITS to establish persistence and execute its payloads.
  • The campaign leverages compromised infrastructure to host phishing URLs and redirect victims.

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