{"id":130822,"date":"2023-07-06T10:00:00","date_gmt":"2023-07-06T17:00:00","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/?p=130822"},"modified":"2024-07-03T11:59:34","modified_gmt":"2024-07-03T18:59:34","slug":"the-five-day-job-a-blackbyte-ransomware-intrusion-case-study","status":"publish","type":"post","link":"https:\/\/www.microsoft.com\/en-us\/security\/blog\/2023\/07\/06\/the-five-day-job-a-blackbyte-ransomware-intrusion-case-study\/","title":{"rendered":"The five-day job: A BlackByte ransomware intrusion case study"},"content":{"rendered":"\n

As ransomware attacks continue to grow in number and sophistication, threat actors can quickly impact business operations if organizations are not well prepared. In a recent investigation by Microsoft Incident Response (previously known as Microsoft Detection and Response Team \u2013 DART) of an intrusion, we found that the threat actor progressed through the full attack chain, from initial access to impact, in less than five days, causing significant business disruption for the victim organization.<\/p>\n\n\n\n

Our investigation found that within those five days, the threat actor employed a range of tools and techniques, culminating in the deployment of BlackByte 2.0 ransomware, to achieve their objectives. These techniques included:<\/p>\n\n\n\n