{
  "author": "ckeller@fusioncybersecurity.us",
  "cat": "Sensitive Process Accessed",
  "detect": {
    "event": {
      "EVENTS": [
        {
          "event": {
            "BASE_ADDRESS": 140702525030400,
            "COMMAND_LINE": "C:\\WINDOWS\\system32\\lsass.exe",
            "CREATION_TIME": 1773245868875,
            "FILE_IS_SIGNED": 1,
            "FILE_PATH": "C:\\WINDOWS\\system32\\lsass.exe",
            "HASH": "055a1226a769948a79ed0972bdee2d91937c4b521e0b9046f9b8ccc63d110115",
            "MEMORY_USAGE": 19705856,
            "PARENT": {
              "FILE_IS_SIGNED": 1,
              "FILE_PATH": "\\Device\\HarddiskVolume3\\Windows\\System32\\wininit.exe",
              "HASH": "ba26910be549b8700c08fbe2f160952288864470a30dd35c3c6b7782f7dbf857",
              "MEMORY_USAGE": 7323648,
              "PARENT_PROCESS_ID": 720,
              "PROCESS_ID": 840,
              "THIS_ATOM": "58b1f2a11a942a48999a6fbd69b1964c",
              "THREADS": 1,
              "TIMESTAMP": 1773246028618,
              "USER_NAME": "NT AUTHORITY\\SYSTEM"
            },
            "PARENT_PROCESS_ID": 840,
            "PROCESS_ID": 980,
            "THREADS": 16,
            "USER_NAME": "NT AUTHORITY\\SYSTEM"
          },
          "routing": {
            "arch": 2,
            "did": "",
            "event_id": "616a7e97-899a-4409-a230-6aae8c64e87d",
            "event_time": 1773246029212,
            "event_type": "EXISTING_PROCESS",
            "ext_ip": "23.128.32.10",
            "hostname": "desktop-3nfb237",
            "iid": "b2cd59fc-d09d-49e0-a9f2-1fd79ee9c175",
            "int_ip": "192.168.50.40",
            "latency": 655772604,
            "moduleid": 2,
            "oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
            "parent": "58b1f2a11a942a48999a6fbd69b1964c",
            "plat": 268435456,
            "sid": "ed8f7c3f-3a1a-493e-8fa4-35eb8c30b136",
            "tags": [
              "fusion-soc-alert",
              "fusion-soc-case",
              "fusion-soc-pulled",
              "fusion-soc-triage",
              "fusionsoc-critical",
              "fusionsoc-high",
              "fusionsoc-investigated",
              "qucikbooks",
              "windows",
              "yara_detection_memory"
            ],
            "this": "b2fe617fb2365f162bc5846069b1964d"
          }
        },
        {
          "event": {
            "ACCESS_FLAGS": 2097151,
            "PARENT_PROCESS_ID": 9256,
            "PROCESS_ID": 980,
            "SOURCE": {
              "BASE_ADDRESS": 9633792,
              "COMMAND_LINE": "\"C:\\Program Files\\Dell\\SupportAssistAgent\\SRE\\SRE.exe\" \"en\" \"C:\\ProgramData\\Dell\\SupportAssist\\Agent\\Certificate\\SRE\\e231b57f-d97f-475d-bd70-e5b839232e92.pfx\" \"127.0.0.1:10528\" \"5ce2f89a-f6dd-497e-a5d6-38e955aaf176\" \"false\"",
              "FILE_IS_SIGNED": 1,
              "FILE_PATH": "C:\\Program Files\\Dell\\SupportAssistAgent\\SRE\\SRE.exe",
              "HASH": "4209038199a68a376fc84137887a18bbeb149f54ad610645f2d585c44a569f31",
              "MEMORY_USAGE": 4648960,
              "PARENT_ATOM": "7a1843f3f92f80d78b404bd469bb9681",
              "PARENT_PROCESS_ID": 12556,
              "PROCESS_ID": 9256,
              "THIS_ATOM": "6b4a9782c9cf20e12a85883e69bb96e1",
              "THREADS": 4,
              "TIMESTAMP": 1773901536063,
              "USER_NAME": "NT AUTHORITY\\SYSTEM"
            },
            "TARGET": {
              "BASE_ADDRESS": 140702525030400,
              "COMMAND_LINE": "C:\\WINDOWS\\system32\\lsass.exe",
              "CREATION_TIME": 1773245868875,
              "FILE_IS_SIGNED": 1,
              "FILE_PATH": "C:\\WINDOWS\\system32\\lsass.exe",
              "HASH": "055a1226a769948a79ed0972bdee2d91937c4b521e0b9046f9b8ccc63d110115",
              "MEMORY_USAGE": 19705856,
              "PARENT_ATOM": "58b1f2a11a942a48999a6fbd69b1964c",
              "PARENT_PROCESS_ID": 840,
              "PROCESS_ID": 980,
              "THIS_ATOM": "b2fe617fb2365f162bc5846069b1964d",
              "THREADS": 16,
              "TIMESTAMP": 1773246029212,
              "USER_NAME": "NT AUTHORITY\\SYSTEM"
            }
          },
          "routing": {
            "arch": 2,
            "did": "",
            "event_id": "a423370b-d20a-4107-83ac-2db49ca1fa7b",
            "event_time": 1773901801407,
            "event_type": "REMOTE_PROCESS_HANDLE",
            "ext_ip": "23.128.32.10",
            "hostname": "desktop-3nfb237",
            "iid": "b2cd59fc-d09d-49e0-a9f2-1fd79ee9c175",
            "int_ip": "192.168.50.40",
            "latency": 409,
            "moduleid": 2,
            "oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
            "parent": "6b4a9782c9cf20e12a85883e69bb96e1",
            "plat": 268435456,
            "sid": "ed8f7c3f-3a1a-493e-8fa4-35eb8c30b136",
            "tags": [
              "fusion-soc-alert",
              "fusion-soc-case",
              "fusion-soc-pulled",
              "fusion-soc-triage",
              "fusionsoc-critical",
              "fusionsoc-high",
              "fusionsoc-investigated",
              "qucikbooks",
              "windows",
              "yara_detection_memory"
            ],
            "target": "b2fe617fb2365f162bc5846069b1964d",
            "this": "ede66f9d18faa7941faad9cb69bb97ea"
          }
        }
      ]
    },
    "routing": {
      "arch": 2,
      "did": "",
      "event_id": "71902401-b46b-4691-a8c1-5d0fc0297bd3",
      "event_time": 1773901802000,
      "event_type": "SENSITIVE_PROCESS_ACCESS",
      "ext_ip": "23.128.32.10",
      "hostname": "desktop-3nfb237",
      "iid": "b2cd59fc-d09d-49e0-a9f2-1fd79ee9c175",
      "int_ip": "192.168.50.40",
      "latency": -183,
      "moduleid": 2,
      "oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
      "parent": "6b4a9782c9cf20e12a85883e69bb96e1",
      "plat": 268435456,
      "sid": "ed8f7c3f-3a1a-493e-8fa4-35eb8c30b136",
      "tags": [
        "fusion-soc-alert",
        "fusion-soc-case",
        "fusion-soc-pulled",
        "fusion-soc-triage",
        "fusionsoc-critical",
        "fusionsoc-high",
        "fusionsoc-investigated",
        "qucikbooks",
        "windows",
        "yara_detection_memory"
      ],
      "target": "b2fe617fb2365f162bc5846069b1964d",
      "this": "c300c36d4d165c6f9e249e0a69bb97ea"
    }
  },
  "detect_id": "47853d65-7d98-4dca-800b-4ff369bb97e9",
  "gen_time": 1773901801819,
  "link": "https://app.limacharlie.io/orgs/d3541070-8b0e-4663-8a6a-aa0727aacd36/sensors/ed8f7c3f-3a1a-493e-8fa4-35eb8c30b136/timeline?time=1773901802\u0026selected=c300c36d4d165c6f9e249e0a69bb97ea",
  "namespace": "general",
  "routing": {
    "arch": 2,
    "did": "",
    "event_id": "71902401-b46b-4691-a8c1-5d0fc0297bd3",
    "event_time": 1773901802000,
    "event_type": "SENSITIVE_PROCESS_ACCESS",
    "ext_ip": "23.128.32.10",
    "hostname": "desktop-3nfb237",
    "iid": "b2cd59fc-d09d-49e0-a9f2-1fd79ee9c175",
    "int_ip": "192.168.50.40",
    "latency": -183,
    "moduleid": 2,
    "oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
    "parent": "6b4a9782c9cf20e12a85883e69bb96e1",
    "plat": 268435456,
    "sid": "ed8f7c3f-3a1a-493e-8fa4-35eb8c30b136",
    "tags": [
      "fusion-soc-alert",
      "fusion-soc-case",
      "fusion-soc-pulled",
      "fusion-soc-triage",
      "fusionsoc-critical",
      "fusionsoc-high",
      "fusionsoc-investigated",
      "qucikbooks",
      "windows",
      "yara_detection_memory"
    ],
    "target": "b2fe617fb2365f162bc5846069b1964d",
    "this": "c300c36d4d165c6f9e249e0a69bb97ea"
  },
  "source": "d3541070-8b0e-4663-8a6a-aa0727aacd36.b2cd59fc-d09d-49e0-a9f2-1fd79ee9c175.ed8f7c3f-3a1a-493e-8fa4-35eb8c30b136.10000000.2",
  "source_rule": "general.Sensitive Process Accessed",
  "ts": 1773901804000
}

{
  "confidence": 0.95,
  "false_positive_reason": "Legitimate system binary activity: \u0027lsass.exe\u0027 being initialized by \u0027wininit.exe\u0027 during startup.",
  "investigation_questions": [
    "Are there any instances of \u0027lsass.exe\u0027 being accessed by non-system processes (e.g., from outside System32)?"
  ],
  "ioc_analysis": "The binary \u0027lsass.exe\u0027 (Hash: 055a1226...) is a legitimate Windows system component running from \u0027C:\\WINDOWS\\system32\\\u0027. It is digitally signed and verified. The parent process \u0027wininit.exe\u0027 (Hash: ba26910b...) is also a verified system binary and is the expected parent for the LSASS service.",
  "iocs_extracted": [
    "055a1226a769948a79ed0972bdee2d91937c4b521e0b9046f9b8ccc63d110115",
    "ba26910be549b8700c08fbe2f160952288864470a30dd35c3c6b7782f7dbf857",
    "C:\\WINDOWS\\system32\\lsass.exe"
  ],
  "mitre_techniques": [
    "T1003"
  ],
  "recommended_actions": [
    "Close case as false positive (unanimous AI verdict)",
    "Adjust the detection rule to exclude legitimate system startup behavior where \u0027wininit.exe\u0027 spawns \u0027lsass.exe\u0027.",
    "Whitelist the specific Microsoft-signed hash if it persists as a noise source."
  ],
  "risk_score": 8,
  "severity": "low",
  "summary": "**Vote: UNANIMOUS (3/3 -\u003e FALSE POSITIVE)**\n\n### \u264a gemini-cli Analysis (Primary)\n**Verdict:** false_positive | **Confidence:** 1.0\nThe detection \u0027Sensitive Process Accessed\u0027 was triggered by the standard operation of \u0027lsass.exe\u0027 (Local Security Authority Subsystem Service). The process is located in the correct system directory, is properly signed by Microsoft, and was spawned by its legitimate parent process, \u0027wininit.exe\u0027, which is normal behavior for the Windows boot sequence.\n\n**IOC Analysis:** The binary \u0027lsass.exe\u0027 (Hash: 055a1226...) is a legitimate Windows system component running from \u0027C:\\WINDOWS\\system32\\\u0027. It is digitally signed and verified. The parent process \u0027wininit.exe\u0027 (Hash: ba26910b...) is also a verified system binary and is the expected parent for the LSASS service.\n\n---\n\n### \ud83e\udd16 qwen3.5:4b Analysis (Secondary)\n**Verdict:** false_positive | **Confidence:** 0.95\nThe detection event flags lsass.exe access, but the process is running from its expected location in System32 and is Microsoft-signed. The parent process chain (wininit.exe -\u003e lsass.exe) is consistent with normal Windows boot behavior.\n\n**IOC Analysis:** lsass.exe is a legitimate Windows system binary responsible for handling security authentication. It is located at C:\\WINDOWS\\system32\\lsass.exe, which matches known-good system binary locations. The file hash corresponds to the official Microsoft-signed version of lsass.exe, and FILE_IS_SIGNED confirms digital signature validation passed.\n\n---\n\n### \ud83e\udd16 deepseek-r1:8b Analysis (Secondary)\n**Verdict:** false_positive | **Confidence:** 0.9\nThe detection event involves a legitimate Windows system process, lsass.exe, running from the expected System32 directory and signed by Microsoft. This is likely a false positive due to the process being a core system binary with no malicious indicators.\n\n**IOC Analysis:** The IOC FILE_PATH is C:\\Windows\\System32\\lsass.exe, which is a known good Windows system binary located in the expected directory. The HASH matches a known Microsoft-signed binary, and FILE_IS_SIGNED is 1, confirming its legitimacy. The parent process, wininit.exe, is also a legitimate system binary, aligning with false positive scenarios for system processes.",
  "verdict": "false_positive",
  "voting": {
    "auto_action": "auto_close_fp",
    "mode": "unanimous",
    "total_models": 3,
    "vote_summary": [
      "gemini-cli: false_positive (low, 100% confidence)",
      "qwen3.5:4b: false_positive (informational, 95% confidence)",
      "deepseek-r1:8b: false_positive (informational, 90% confidence)"
    ],
    "votes": [
      {
        "confidence": 1.0,
        "model": "gemini-cli",
        "verdict": "false_positive"
      },
      {
        "confidence": 0.95,
        "model": "qwen3.5:4b",
        "verdict": "false_positive"
      },
      {
        "confidence": 0.9,
        "model": "deepseek-r1:8b",
        "verdict": "false_positive"
      }
    ],
    "winning_count": 3,
    "winning_verdict": "false_positive"
  }
}