{
  "author": "ckeller@fusioncybersecurity.us",
  "cat": "New Code Atypical Path",
  "detect": {
    "event": {
      "FILE_PATH": "C:\\Users\\Joy Howell\\AppData\\Local\\Temp\\dbfhide.exe",
      "HASH": "9a20e7b77d89b7804e98fdcbe80cebb5beb7a9594a4b94e6543fb05377bb4d8b",
      "PROCESS_ID": 31932
    },
    "routing": {
      "arch": 2,
      "did": "",
      "event_id": "204d5211-c83c-4177-90f9-59d08d72a442",
      "event_time": 1774364274304,
      "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": 1254,
      "moduleid": 2,
      "oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
      "parent": "0e2be6b24c56dfa0613f286f69c2a672",
      "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_disk",
        "yara_detection_memory"
      ],
      "this": "d8a052ff2b229311d9ee8fb969c2a673"
    }
  },
  "detect_id": "bd502161-8403-4c75-891b-b71769c2a673",
  "gen_time": 1774364275558,
  "link": "https://app.limacharlie.io/orgs/d3541070-8b0e-4663-8a6a-aa0727aacd36/sensors/8f3a47be-5629-4c66-921d-17c39ed07e87/timeline?time=1774364274\u0026selected=d8a052ff2b229311d9ee8fb969c2a673",
  "namespace": "general",
  "routing": {
    "arch": 2,
    "did": "",
    "event_id": "204d5211-c83c-4177-90f9-59d08d72a442",
    "event_time": 1774364274304,
    "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": 1254,
    "moduleid": 2,
    "oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
    "parent": "0e2be6b24c56dfa0613f286f69c2a672",
    "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_disk",
      "yara_detection_memory"
    ],
    "this": "d8a052ff2b229311d9ee8fb969c2a673"
  },
  "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": 1774364275000
}

{
  "virustotal": {
    "malicious": true,
    "provider": "virustotal",
    "reputation": 0,
    "stats": {
      "confirmed-timeout": 0,
      "failure": 0,
      "harmless": 0,
      "malicious": 1,
      "suspicious": 0,
      "timeout": 0,
      "type-unsupported": 4,
      "undetected": 71
    }
  }
}

{
  "confidence": 0.85,
  "false_positive_reason": "Historical analyst feedback consistently indicates false positive for this rule type; Temp directory is standard location for legitimate temporary executables",
  "investigation_questions": [
    "What application created this temporary file?",
    "Is there a scheduled task or service that generates temp files?",
    "Has this file been modified recently by legitimate software?"
  ],
  "ioc_analysis": "The file path C:\\Users\\Joy Howell\\AppData\\Local\\Temp\\dbfhide.exe is in a common temporary directory where legitimate applications store temporary executables. Without additional context showing malicious behavior or unexpected parent processes, this appears to be benign system activity.",
  "iocs_extracted": [
    "C:\\Users\\Joy Howell\\AppData\\Local\\Temp\\dbfhide.exe",
    "9a20e7b77d89b7804e98fdcbe80cebb5beb7a9594a4b94e6543fb05377bb4d8b"
  ],
  "mitre_techniques": [],
  "recommended_actions": [
    "Close case as false positive (unanimous AI verdict)",
    "Monitor for persistence mechanisms",
    "Review process tree for suspicious parent processes",
    "Check file hash against known-good databases"
  ],
  "risk_score": 18,
  "severity": "low",
  "summary": "**Vote: UNANIMOUS (2/2 -\u003e FALSE POSITIVE)**\n\n### \u264a gemini-cli Analysis (Primary)\nFailed or timed out.\n\n---\n\n### \ud83e\udd16 qwen3.5:4b Analysis (Secondary)\n**Verdict:** false_positive | **Confidence:** 0.9\nThe detection flagged a new file write to the Temp directory, but historical analyst feedback consistently marks this rule as false positive for legitimate system activity. The process is located in AppData\\Local\\Temp, which is a standard location for temporary files and executables.\n\n**IOC Analysis:** The file path C:\\Users\\Joy Howell\\AppData\\Local\\Temp\\dbfhide.exe is in a common temporary directory where legitimate applications store temporary executables. Without additional context showing malicious behavior or unexpected parent processes, this appears to be benign system activity.\n\n---\n\n### \ud83e\udd16 deepseek-r1:8b Analysis (Secondary)\n**Verdict:** false_positive | **Confidence:** 0.8\nA new file was detected in the AppData\\Local\\Temp directory, which is commonly used by legitimate software but can be exploited by malware. However, given the high false positive rate for this detection rule and the lack of additional malicious indicators, it is likely a false positive.\n\n**IOC Analysis:** The file path C:\\Users\\Joy Howell\\AppData\\Local\\Temp\\dbfhide.exe is not located in expected directories for known system binaries, such as C:\\Windows\\System32\\ or C:\\Program Files\\. The hash is provided but not verified against known malware databases, so no definitive maliciousness can be confirmed. The detection rule has a history of false positives, supporting a benign conclusion.",
  "verdict": "false_positive",
  "voting": {
    "auto_action": "auto_close_fp",
    "mode": "unanimous",
    "total_models": 2,
    "vote_summary": [
      "qwen3.5:4b: false_positive (low, 90% confidence)",
      "deepseek-r1:8b: false_positive (low, 80% confidence)"
    ],
    "votes": [
      {
        "confidence": 0.9,
        "model": "qwen3.5:4b",
        "verdict": "false_positive"
      },
      {
        "confidence": 0.8,
        "model": "deepseek-r1:8b",
        "verdict": "false_positive"
      }
    ],
    "winning_count": 2,
    "winning_verdict": "false_positive"
  }
}