{
  "author": "ckeller@fusioncybersecurity.us",
  "cat": "New Code Atypical Path",
  "detect": {
    "event": {
      "FILE_PATH": "C:\\Users\\Joy Howell\\AppData\\Local\\Temp\\4739DDCD174146FCA0B78EDEC4675199\\OneDriveDeltaPatch\\OneDrive.App.exe",
      "HASH": "7e74086eb12152284a606e7d6e8be827e72a50448b6ab190c0c264418b8f112a",
      "PROCESS_ID": 25024
    },
    "routing": {
      "arch": 2,
      "did": "",
      "event_id": "534e0d04-24ae-4eb6-8e9a-8f3031019405",
      "event_time": 1773872525004,
      "event_type": "NEW_DOCUMENT",
      "ext_ip": "23.128.32.10",
      "hostname": "desktop-atsepsk",
      "iid": "b2cd59fc-d09d-49e0-a9f2-1fd79ee9c175",
      "int_ip": "192.168.50.200",
      "latency": 93,
      "moduleid": 2,
      "oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
      "parent": "680100a7154451b4a3afeaf069bb258c",
      "plat": 268435456,
      "sid": "8f3a47be-5629-4c66-921d-17c39ed07e87",
      "tags": [
        "fusion-soc-alert",
        "fusion-soc-case",
        "fusion-soc-pulled",
        "fusion-soc-triage",
        "fusionsoc-critical",
        "fusionsoc-high",
        "fusionsoc-investigated",
        "joys",
        "windows",
        "yara_detection_memory"
      ],
      "this": "a7c0f295e03e05aecf9a283069bb258d"
    }
  },
  "detect_id": "e18b2975-5353-4168-865a-bc5f69bb258d",
  "gen_time": 1773872525097,
  "link": "https://app.limacharlie.io/orgs/d3541070-8b0e-4663-8a6a-aa0727aacd36/sensors/8f3a47be-5629-4c66-921d-17c39ed07e87/timeline?time=1773872525\u0026selected=a7c0f295e03e05aecf9a283069bb258d",
  "namespace": "general",
  "routing": {
    "arch": 2,
    "did": "",
    "event_id": "534e0d04-24ae-4eb6-8e9a-8f3031019405",
    "event_time": 1773872525004,
    "event_type": "NEW_DOCUMENT",
    "ext_ip": "23.128.32.10",
    "hostname": "desktop-atsepsk",
    "iid": "b2cd59fc-d09d-49e0-a9f2-1fd79ee9c175",
    "int_ip": "192.168.50.200",
    "latency": 93,
    "moduleid": 2,
    "oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
    "parent": "680100a7154451b4a3afeaf069bb258c",
    "plat": 268435456,
    "sid": "8f3a47be-5629-4c66-921d-17c39ed07e87",
    "tags": [
      "fusion-soc-alert",
      "fusion-soc-case",
      "fusion-soc-pulled",
      "fusion-soc-triage",
      "fusionsoc-critical",
      "fusionsoc-high",
      "fusionsoc-investigated",
      "joys",
      "windows",
      "yara_detection_memory"
    ],
    "this": "a7c0f295e03e05aecf9a283069bb258d"
  },
  "source": "d3541070-8b0e-4663-8a6a-aa0727aacd36.b2cd59fc-d09d-49e0-a9f2-1fd79ee9c175.8f3a47be-5629-4c66-921d-17c39ed07e87.10000000.2",
  "source_rule": "general.NEW FILE WRITE BYTES SAMPLE GRAB",
  "ts": 1773872525000
}

{
  "virustotal": {
    "malicious": false,
    "provider": "virustotal",
    "reputation": 0,
    "stats": {
      "confirmed-timeout": 0,
      "failure": 0,
      "harmless": 0,
      "malicious": 0,
      "suspicious": 0,
      "timeout": 0,
      "type-unsupported": 4,
      "undetected": 72
    }
  }
}

{
  "confidence": 0.933,
  "false_positive_reason": "Routine software update (OneDrive)",
  "investigation_questions": [],
  "ioc_analysis": "The file path \u0027C:\\Users\\Joy Howell\\AppData\\Local\\Temp\\4739DDCD174146FCA0B78EDEC4675199\\OneDriveDeltaPatch\\OneDrive.App.exe\u0027 is consistent with legitimate Microsoft OneDrive update routines. Historical analyst feedback for this rule in this environment is 100% false positive for similar OneDrive events.",
  "iocs_extracted": [
    "7e74086eb12152284a606e7d6e8be827e72a50448b6ab190c0c264418b8f112a"
  ],
  "mitre_techniques": [],
  "recommended_actions": [
    "Close case as false positive (unanimous AI verdict)",
    "Whitelist known OneDrive update paths such as \u0027*\\OneDriveDeltaPatch\\*\u0027 for this rule to reduce false positive volume."
  ],
  "risk_score": 7,
  "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 flagged a file write by \u0027OneDrive.App.exe\u0027 within a \u0027OneDriveDeltaPatch\u0027 temporary directory in the user\u0027s AppData. This is standard behavior for Microsoft OneDrive\u0027s background update process, which often stages and executes binaries from temporary locations.\n\n**IOC Analysis:** The file path \u0027C:\\Users\\Joy Howell\\AppData\\Local\\Temp\\4739DDCD174146FCA0B78EDEC4675199\\OneDriveDeltaPatch\\OneDrive.App.exe\u0027 is consistent with legitimate Microsoft OneDrive update routines. Historical analyst feedback for this rule in this environment is 100% false positive for similar OneDrive events.\n\n---\n\n### \ud83e\udd16 qwen3.5:4b Analysis (Secondary)\n**Verdict:** false_positive | **Confidence:** 0.9\nThe detection flagged a OneDrive-related process in the Temp directory as suspicious, but historical analyst feedback consistently marks this rule type as false positives for legitimate Microsoft applications. The file path indicates a temporary patching utility rather than malware behavior.\n\n**IOC Analysis:** OneDrive.App.exe is a legitimate Microsoft application used for synchronization and patching. The presence in AppData\\Local\\Temp is typical for temporary installation files or update utilities. Historical analyst feedback confirms this pattern is benign.\n\n---\n\n### \ud83e\udd16 deepseek-r1:8b Analysis (Secondary)\n**Verdict:** false_positive | **Confidence:** 0.9\nThe detection is likely a false positive as the file is located in a temporary directory, which is atypical for system binaries, and the rule has a history of false positives. No malicious indicators are confirmed based on the provided context.\n\n**IOC Analysis:** The FILE_PATH is in C:\\Users\\Joy Howell\\AppData\\Local\\Temp, which is not a standard location for legitimate system binaries. The hash is provided but not verified against known malicious databases. The file name resembles a legitimate Microsoft service, but the atypical path and lack of context suggest it may be a false positive. Historical feedback supports this.",
  "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 (low, 90% confidence)",
      "deepseek-r1:8b: false_positive (low, 90% confidence)"
    ],
    "votes": [
      {
        "confidence": 1.0,
        "model": "gemini-cli",
        "verdict": "false_positive"
      },
      {
        "confidence": 0.9,
        "model": "qwen3.5:4b",
        "verdict": "false_positive"
      },
      {
        "confidence": 0.9,
        "model": "deepseek-r1:8b",
        "verdict": "false_positive"
      }
    ],
    "winning_count": 3,
    "winning_verdict": "false_positive"
  }
}