On the victim domains, they have created subdomains mimicking legitimate sites and services they are spoofing, such as Google or Yahoo mail. Kimsuky likely obtained the credentials from the victims via spearphishing and credential harvesting scripts. The APT group has used web hosting credentials-stolen from victims outside of their usual targets-to host their malicious scripts and tools.Kimsuky uses various spearphishing and social engineering methods to obtain Initial Access to victim networks., Spearphishing-with a malicious attachment embedded in the email-is the most observed Kimsuky tactic (Phishing: Spearphishing Attachment )., Particularly important mitigations include safeguards against spearphishing, use of multi-factor authentication, and user awareness training. CISA, FBI, and CNMF recommend individuals and organizations within this target profile increase their defenses and adopt a heightened state of awareness.Individuals identified as experts in various fields,.Kimsuky focuses its intelligence collection activities on foreign policy and national security issues related to the Korean peninsula, nuclear policy, and sanctions.Kimsuky conducts its intelligence collection activities against individuals and organizations in South Korea, Japan, and the United States.Kimsuky is most likely to use spearphishing to gain initial access into victim hosts or networks.Kimsuky employs common social engineering tactics, spearphishing, and watering hole attacks to exfiltrate desired information from victims.,.Kimsuky is most likely tasked by the North Korean regime with a global intelligence gathering mission.The Kimsuky APT group has most likely been operating since 2012.The target audience for this advisory is commercial sector businesses desiring to protect their networks from North Korean APT activity.Ĭlick here for a PDF version of this report. This advisory describes known Kimsuky TTPs, as found in open-source and intelligence reporting through July 2020. For more information on HIDDEN COBRA activity, visit. Government refers to malicious cyber activity by the North Korean government as HIDDEN COBRA. This advisory describes the tactics, techniques, and procedures (TTPs) used by North Korean advanced persistent threat (APT) group Kimsuky-against worldwide targets-to gain intelligence on various topics of interest to the North Korean government. Cyber Command Cyber National Mission Force (CNMF). This joint cybersecurity advisory was coauthored by the Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), and the U.S. See the ATT&CK for Enterprise version 7 for all referenced threat actor tactics and techniques. This advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) version 7 framework.
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