{
  "name": "Change Healthcare Ransomware Outage (ALPHV / BlackCat) - ATT&CK Navigator Layer",
  "versions": {
    "attack": "15",
    "navigator": "4.5",
    "layer": "4.5"
  },
  "domain": "enterprise-attack",
  "description": "MITRE ATT&CK technique mappings with verified legal evidence for case change-healthcare-blackcat-ransomware.",
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  "hideDisabled": false,
  "techniques": [
    {
      "techniqueID": "T1078",
      "score": 1,
      "color": "#f59e0b",
      "comment": "Attackers logged into a production Citrix remote access portal using compromised employee credentials that were not protected by multi-factor authentication.",
      "enabled": true,
      "metadata": [
        {
          "name": "locator",
          "value": "Congressional Hearing Testimony of UnitedHealth Group CEO Andrew Witty, May 1, 2024"
        },
        {
          "name": "status",
          "value": "reviewed"
        }
      ]
    },
    {
      "techniqueID": "T1486",
      "score": 1,
      "color": "#f59e0b",
      "comment": "ALPHV/BlackCat ransomware encrypted core production enterprise databases and virtualization hosts, completely severing real-time pharmacy eligibility checks across the U.S.",
      "enabled": true,
      "metadata": [
        {
          "name": "locator",
          "value": "HHS OCR Formal Breach Notification"
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          "name": "status",
          "value": "reviewed"
        }
      ]
    },
    {
      "techniqueID": "T1567",
      "score": 1,
      "color": "#f59e0b",
      "comment": "Adversaries exfiltrated approximately 6 terabytes of highly confidential medical claims, patient clinical history, and billing records to cloud storage repositories prior to encryption.",
      "enabled": true,
      "metadata": [
        {
          "name": "locator",
          "value": "UnitedHealth Group 8-K Regulatory Filing"
        },
        {
          "name": "status",
          "value": "reviewed"
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  "metadata": [
    {
      "name": "case_slug",
      "value": "change-healthcare-blackcat-ransomware"
    },
    {
      "name": "case_title",
      "value": "Change Healthcare Ransomware Outage (ALPHV / BlackCat)"
    }
  ]
}