[Joint Cybersecurity Advisory] Operation Double Barrel (The Relationship Between a State-Sponsored Threat Actor and the Gunra Ransomware Group)

[Joint Cybersecurity Advisory] Operation Double Barrel (The Relationship Between a State-Sponsored Threat Actor and the Gunra Ransomware Group)

This technical analysis report was prepared as part of the joint cybersecurity advisory titled “Advisory on Cyberattacks Targeting Korean Citizens and Businesses by State-Sponsored Hacking Groups” issued by the Republic of Korea’s National Intelligence Service (NIS), National Police Agency (NPA), Korea Internet & Security Agency (KISA), and Financial Security Institute

Detecting Akira Ransomware Attack Using AhnLab EDR

Detecting Akira Ransomware Attack Using AhnLab EDR

Akira is a relatively new ransomware threat actor that has been active since March 2023. Like other ransomware threat actors, they breach organizations and not only encrypt their files but also exfiltrate sensitive information to use in negotiations. As shown in the following 2024 statistics, the number of companies affected

Play Ransomware Attack Cases Detected by AhnLab EDR

Play Ransomware Attack Cases Detected by AhnLab EDR

Play ransomware, also known as Balloonfly or PlayCrypt, was first identified in June 2022 and has reportedly attacked over 300 organizations worldwide since then. A notable characteristic of the ransomware, which remains actively in use, is its addition of the “.PLAY” extension to files following encryption. Like other ransomware threat