June 04, 2021 — 7 min read
Analysis of Ragnar Locker Ransomware
The threat actor begin the attack by compromising the company’s network via RDP service, using brute force to guess weak passwords or with stolen credentials bought on the Dark Web. Next, the attacker performs second-stage reconnaissance. To elevate privileges, the attacker exploits the CVE-2017-0213 vulnerability in the Windows COM Aggregate Marshaler to run arbitrary code with elevated privileges.







