{
  "author": "ckeller@fusioncybersecurity.us",
  "cat": "New Code Atypical Path",
  "detect": {
    "event": {
      "FILE_PATH": "C:\\Windows\\Temp\\{77659D08-4A60-4E13-B1AA-B01F52688404}\\.be\\DellUpdateSupportAssistPlugin.exe",
      "HASH": "53fed198469b7c764ef53e0deffa727b6d6ef581527ca201faca72b61a640849",
      "PROCESS_ID": 15120
    },
    "routing": {
      "arch": 2,
      "did": "",
      "event_id": "168b6ec1-8825-4501-b4dc-3254bb6eea44",
      "event_time": 1773539648125,
      "event_type": "NEW_DOCUMENT",
      "ext_ip": "23.128.32.10",
      "hostname": "desktop-3nfb237",
      "iid": "b2cd59fc-d09d-49e0-a9f2-1fd79ee9c175",
      "int_ip": "192.168.50.40",
      "latency": 799,
      "moduleid": 2,
      "oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
      "parent": "169dca19a7b5d7504ae5cafb69b61138",
      "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"
      ],
      "this": "5c658880fb5f2cf10972770269b61141"
    }
  },
  "detect_id": "02d41d99-b646-48b9-9ac1-d77469b61140",
  "gen_time": 1773539648924,
  "link": "https://app.limacharlie.io/orgs/d3541070-8b0e-4663-8a6a-aa0727aacd36/sensors/ed8f7c3f-3a1a-493e-8fa4-35eb8c30b136/timeline?time=1773539648\u0026selected=5c658880fb5f2cf10972770269b61141",
  "namespace": "general",
  "routing": {
    "arch": 2,
    "did": "",
    "event_id": "168b6ec1-8825-4501-b4dc-3254bb6eea44",
    "event_time": 1773539648125,
    "event_type": "NEW_DOCUMENT",
    "ext_ip": "23.128.32.10",
    "hostname": "desktop-3nfb237",
    "iid": "b2cd59fc-d09d-49e0-a9f2-1fd79ee9c175",
    "int_ip": "192.168.50.40",
    "latency": 799,
    "moduleid": 2,
    "oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
    "parent": "169dca19a7b5d7504ae5cafb69b61138",
    "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"
    ],
    "this": "5c658880fb5f2cf10972770269b61141"
  },
  "source": "d3541070-8b0e-4663-8a6a-aa0727aacd36.b2cd59fc-d09d-49e0-a9f2-1fd79ee9c175.ed8f7c3f-3a1a-493e-8fa4-35eb8c30b136.10000000.2",
  "source_rule": "general.NEW FILE WRITE BYTES SAMPLE GRAB",
  "ts": 1773539648000
}

{
  "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": 0.9,
  "false_positive_reason": "Historical analyst feedback consistently marks similar detections as false positives. The process is legitimate vendor software (DellUpdateSupportAssistPlugin.exe) that may be deployed via standard update mechanisms, and its presence in Windows Temp is common for temporary executables during installation.",
  "investigation_questions": [
    "Is this process part of an approved Dell update deployment?",
    "Does the file have a valid digital signature from Dell?",
    "What triggered the initial installation or execution of this plugin?"
  ],
  "ioc_analysis": "The file path C:\\Windows\\Temp\\... is a common location for temporary files, but this specific executable is associated with Dell\u0027s update infrastructure. Without hash validation against known malicious samples or evidence of suspicious behavior (like network exfiltration), the detection lacks sufficient context to confirm malicious intent.",
  "iocs_extracted": [
    {
      "type": "file_path",
      "value": "C:\\Windows\\Temp\\{77659D08-4A60-4E13-B1AA-B01F52688404}\\.be\\DellUpdateSupportAssistPlugin.exe"
    },
    {
      "type": "hash",
      "value": "53fed198469b7c764ef53e0deffa727b6d6ef581527ca201faca72b61a640849"
    }
  ],
  "mitre_techniques": [],
  "recommended_actions": [
    "Verify the file hash against Dell\u0027s official repository",
    "Check if the process is running under a standard user account",
    "Monitor for any network connections made by this process"
  ],
  "risk_score": 15,
  "severity": "low",
  "summary": "This detection is a false positive caused by DellUpdateSupportAssistPlugin.exe being flagged as suspicious due to its location in the Windows Temp directory and lack of digital signature verification. The process appears to be legitimate vendor software related to Dell hardware support updates.",
  "verdict": "false_positive"
}