Deployment of a custom-developed data collection and exfiltration toolįigure 1.Deployment of custom-developed backdoors to facilitate persistence.Process hollowing and the use of vulnerable drivers for defense evasion.Deployment of Cobalt Strike beacons for command and control (C2).Use of living-off-the-land tools for persistence and reconnaissance.Web shell deployment facilitating remote access.Exploitation of unpatched internet-exposed Microsoft Exchange Servers.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. In a recent investigation by Microsoft Incident Response (previously known as Microsoft Detection and Response Team – 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. Microsoft Defender Vulnerability ManagementĪttacker techniques, tools, and infrastructureĪs ransomware attacks continue to grow in number and sophistication, threat actors can quickly impact business operations if organizations are not well prepared. Microsoft Purview Data Lifecycle Management.Microsoft Purview Information Protection.Information protection Information protection.Microsoft Priva Subject Rights Requests.Microsoft Purview Communication Compliance.Microsoft Purview Insider Risk Management.Risk management & privacy Risk management & privacy.Microsoft Intune Endpoint Privilege Management.

Endpoint security & management Endpoint security & management.Microsoft Defender External Attack Surface Management.Microsoft Defender Cloud Security Posture Mgmt.Microsoft Defender Vulnerability Management.Azure Active Directory (Microsoft Entra ID).

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