{
  "author": "ckeller@fusioncybersecurity.us",
  "cat": "YARA Detection in Memory - Windows_Trojan_Generic_9997489c",
  "detect": {
    "event": {
      "PROCESS": {
        "BASE_ADDRESS": 140702246764544,
        "COMMAND_LINE": "\"C:\\Program Files\\Bitdefender\\Bitdefender Security\\bdservicehost.exe\" \"settings/services/configs/bdshieldsrv_config.json\"",
        "FILE_PATH": "C:\\Program Files\\Bitdefender\\Bitdefender Security\\bdservicehost.exe",
        "MEMORY_USAGE": 1997352960,
        "PARENT_PROCESS_ID": 1680,
        "PROCESS_ID": 6096,
        "THREADS": 273,
        "USER_NAME": "NT AUTHORITY\\SYSTEM"
      },
      "PROCESS_ID": 6096,
      "RULE_NAME": "Windows_Trojan_Generic_9997489c"
    },
    "routing": {
      "arch": 2,
      "did": "",
      "event_id": "c77020b5-0d65-4533-b314-233bb108c87e",
      "event_time": 1774402991156,
      "event_type": "YARA_DETECTION",
      "ext_ip": "23.128.32.10",
      "hostname": "desktop-atsepsk",
      "iid": "b2cd59fc-d09d-49e0-a9f2-1fd79ee9c175",
      "int_ip": "192.168.50.200",
      "latency": 761,
      "moduleid": 2,
      "oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
      "parent": "0e216ebc38526920dcc17e5a69b2ef6f",
      "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": "2fa93da75a889a59ebded16b69c33daf"
    }
  },
  "detect_id": "a91ba1ed-d750-4b39-81cc-31f769c33daf",
  "gen_time": 1774402991917,
  "link": "https://app.limacharlie.io/orgs/d3541070-8b0e-4663-8a6a-aa0727aacd36/sensors/8f3a47be-5629-4c66-921d-17c39ed07e87/timeline?time=1774402991\u0026selected=2fa93da75a889a59ebded16b69c33daf",
  "namespace": "general",
  "routing": {
    "arch": 2,
    "did": "",
    "event_id": "c77020b5-0d65-4533-b314-233bb108c87e",
    "event_time": 1774402991156,
    "event_type": "YARA_DETECTION",
    "ext_ip": "23.128.32.10",
    "hostname": "desktop-atsepsk",
    "iid": "b2cd59fc-d09d-49e0-a9f2-1fd79ee9c175",
    "int_ip": "192.168.50.200",
    "latency": 761,
    "moduleid": 2,
    "oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
    "parent": "0e216ebc38526920dcc17e5a69b2ef6f",
    "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": "2fa93da75a889a59ebded16b69c33daf"
  },
  "source": "d3541070-8b0e-4663-8a6a-aa0727aacd36.b2cd59fc-d09d-49e0-a9f2-1fd79ee9c175.8f3a47be-5629-4c66-921d-17c39ed07e87.10000000.2",
  "source_rule": "general.YARA Detection in Memory",
  "ts": 1774402991000
}

{
  "confidence": 0.617,
  "false_positive_reason": null,
  "investigation_questions": [],
  "ioc_analysis": "",
  "iocs_extracted": [],
  "mitre_techniques": [],
  "recommended_actions": [
    "Manual analyst review required \u2014 AI models (majority)",
    "Manual review required"
  ],
  "risk_score": 23,
  "severity": "high",
  "summary": "**Vote: MAJORITY (2/3 -\u003e FALSE POSITIVE)**\n\n### \ud83e\udd16 qwen3.5:4b Analysis (Secondary + RAG)\n**Verdict:** false_positive | **Confidence:** 0.95\nThe detection flagged Bitdefender\u0027s bdservicehost.exe running in Program Files as a Trojan, but the process is located in its expected directory and is part of a legitimate security suite.\n\n**IOC Analysis:** The process path C:\\Program Files\\Bitdefender\\Bitdefender Security\\bdservicehost.exe matches known-good Windows system binary locations for installed software. Bitdefender is a reputable vendor, and this process is typically benign when running under SYSTEM user in its expected directory.\n\n---\n\n### \ud83e\udd16 deepseek-r1:8b Analysis (Secondary + RAG)\n**Verdict:** false_positive | **Confidence:** 0.9\nThe process bdservicehost.exe from Bitdefender Security is a legitimate component of the antivirus software, running with SYSTEM privileges. No malicious activity was detected in the recent window, consistent with historical false positive feedback for this rule.\n\n**IOC Analysis:** FILE_PATH is located in C:\\Program Files\\Bitdefender\\, a legitimate directory for antivirus software. The process is associated with Bitdefender, a known vendor, and no malicious indicators were found. Historical analyst feedback confirms this rule frequently misflags legitimate processes.",
  "verdict": "false_positive",
  "voting": {
    "auto_action": "manual_review",
    "mode": "majority",
    "total_models": 3,
    "vote_summary": [
      "gemini-cli: true_positive (medium, 0% confidence)",
      "qwen3.5:4b +RAG: false_positive (low, 95% confidence)",
      "deepseek-r1:8b +RAG: false_positive (informational, 90% confidence)"
    ],
    "votes": [
      {
        "confidence": 0.0,
        "model": "gemini-cli",
        "verdict": "true_positive"
      },
      {
        "confidence": 0.95,
        "had_rag": true,
        "model": "qwen3.5:4b",
        "verdict": "false_positive"
      },
      {
        "confidence": 0.9,
        "had_rag": true,
        "model": "deepseek-r1:8b",
        "verdict": "false_positive"
      }
    ],
    "winning_count": 2,
    "winning_verdict": "false_positive"
  }
}