This technical analysis examines a campaign by the Kimsuky threat group that exploited a vulnerability (CVE-2017-11882) in the Microsoft Office Equation Editor to distribute malware. The attackers used mshta.exe to run a malicious script that downloads additional components, including a keylogger. The keylogger collects system information, keystrokes, and clipboard data, which are sent to a command-and-control server. The report highlights the importance of patching vulnerabilities and keeping software up-to-date to prevent such attacks.