Quantum Locker Ransomware Escalates

Security analysts have recently observed attacks with the Quantum ransomware that escalate quickly, allowing little time for defenders to react. Malicious actors are using the IcedID malware to obtain initial access to the target system, which then deploys Cobalt Strike to perform subsequent activities like establishing remote access. Once actors accomplish these steps, they can use Quantum Locker to encrypt data until the victim pays a ransom.

One such attack only required 3 hours and 44 minutes to complete this process after the initial infection, according to security researchers at The DFIR Report.

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