โ
Case #9897
general.YARA Detection in Memory
๐ท๏ธ Analyst Verdict Classification
๐ค AI Analysis
๐ Detections (1)
YARA Detection in Memory - Windows_Trojan_Generic_9997489c
high
Rule: general.YARA Detection in Memory
Hostname: fusionserver ยท Sensor: 04e68799-92b7-41...
Event Type: YARA_DETECTION
Confidence: 0% ยท Verdict: true positive
Event Data:
PROCESS:
{'COMMAND_LINE': '/usr/bin/qbittorrent-nox -d', 'FILE_PATH': '/usr/bin/qbittorrent-nox', 'MEMORY_USAGE': 936542208, 'PARENT_PROCESS_ID': 1, 'PROCESS_ID': 2638, 'THREADS': 10, 'USER_ID': 1000}
PROCESS_ID:
2638
RULE_NAME:
Windows_Trojan_Generic_9997489c
Analyst Declaration:
๐ Raw Detection JSON
{
"author": "ckeller@fusioncybersecurity.us",
"cat": "YARA Detection in Memory - Windows_Trojan_Generic_9997489c",
"detect": {
"event": {
"PROCESS": {
"COMMAND_LINE": "/usr/bin/qbittorrent-nox -d",
"FILE_PATH": "/usr/bin/qbittorrent-nox",
"MEMORY_USAGE": 936542208,
"PARENT_PROCESS_ID": 1,
"PROCESS_ID": 2638,
"THREADS": 10,
"USER_ID": 1000
},
"PROCESS_ID": 2638,
"RULE_NAME": "Windows_Trojan_Generic_9997489c"
},
"routing": {
"arch": 2,
"did": "",
"event_id": "789194aa-783a-4984-bd70-7e933fcf1f1b",
"event_time": 1787280755315,
"event_type": "YARA_DETECTION",
"ext_ip": "67.60.122.240",
"hostname": "fusionserver",
"iid": "47501359-645e-4049-906e-e6195da7afcf",
"int_ip": "192.168.1.6",
"latency": 32,
"moduleid": 2,
"oid": "ad19afae-3759-4207-b06e-8648b225c455",
"parent": "0f1063b54326048bc8b87b4c6a810049",
"plat": 536870912,
"sid": "04e68799-92b7-411a-9abf-293a59ff94df",
"tags": [
"fusion-soc-case",
"fusion-soc-pulled",
"fusion-soc-triage"
],
"this": "a30c42e4ef77dafd1df218706a87bd73"
}
},
"detect_id": "3496dba6-9b34-400a-a06d-93f56a87bd73",
"gen_time": 1787280755347,
"link": "https://app.limacharlie.io/orgs/ad19afae-3759-4207-b06e-8648b225c455/sensors/04e68799-92b7-411a-9abf-293a59ff94df/timeline?time=1787280755\u0026selected=a30c42e4ef77dafd1df218706a87bd73",
"namespace": "general",
"routing": {
"arch": 2,
"did": "",
"event_id": "789194aa-783a-4984-bd70-7e933fcf1f1b",
"event_time": 1787280755315,
"event_type": "YARA_DETECTION",
"ext_ip": "67.60.122.240",
"hostname": "fusionserver",
"iid": "47501359-645e-4049-906e-e6195da7afcf",
"int_ip": "192.168.1.6",
"latency": 32,
"moduleid": 2,
"oid": "ad19afae-3759-4207-b06e-8648b225c455",
"parent": "0f1063b54326048bc8b87b4c6a810049",
"plat": 536870912,
"sid": "04e68799-92b7-411a-9abf-293a59ff94df",
"tags": [
"fusion-soc-case",
"fusion-soc-pulled",
"fusion-soc-triage"
],
"this": "a30c42e4ef77dafd1df218706a87bd73"
},
"source": "ad19afae-3759-4207-b06e-8648b225c455.47501359-645e-4049-906e-e6195da7afcf.04e68799-92b7-411a-9abf-293a59ff94df.20000000.2",
"source_rule": "general.YARA Detection in Memory",
"ts": 1787280755000
}
๐ค Triage JSON
{
"confidence": 0.0,
"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": 50,
"severity": "high",
"summary": "**Vote: MAJORITY (1/1 -\u003e TRUE POSITIVE)**\n\n### \ud83e\udd16 qwen3.5:4b Analysis (Secondary)\nFailed or timed out.\n\n---\n\n### \ud83e\udd16 deepseek-r1:16b Analysis (Secondary)\nFailed or timed out.\n\n---\n\n### \ud83e\udd16 gemma3:4b Analysis (Secondary)\nFailed or timed out.",
"verdict": "true_positive",
"voting": {
"auto_action": "manual_review",
"mode": "majority",
"total_models": 1,
"vote_summary": [
"qwen3.5:35b: true_positive (medium, 0% confidence)"
],
"votes": [
{
"confidence": 0.0,
"model": "qwen3.5:35b",
"verdict": "true_positive"
}
],
"winning_count": 1,
"winning_verdict": "true_positive"
}
}
โ๏ธ Response Actions
| Action | Target | Status | Result | |
|---|---|---|---|---|
| tag | failed | 401 Client Error: Unauthorized for url: https://api.limacharlie.io/v1/04e68799-92b7-411a-9abf-293a59ff94df/tags?tags=fusionsoc-investigated | ||
| recommended | executed | General Activity Sweep: 0 events found |
๐ Add Note
๐ฌ Notes (3)
๐ค FusionSOC AI
2026-08-21T02:59
๐ค FusionSOC AI
2026-08-21T02:59
๐ค FusionSOC AI
2026-08-21T02:59
๐ Timeline
2026-08-21T02:59:52
FusionSOC AI
Note by FusionSOC AI: ## ๐ณ๏ธ Secondary Vote (RAG-Enhanced) **Vote:** MAJORITY (1/1 โ TRUE POSITIVE) - qwen3.5:35b: true_positive (medium, 0% c...
2026-08-21T02:59:52
FusionSOC AI
Status changed: open โ investigating
2026-08-21T02:59:52
FusionSOC
Action recommended โ executed: General Activity Sweep: 0 events found
2026-08-21T02:59:52
FusionSOC AI
Note by FusionSOC AI: ## ๐ General Activity Sweep **Action:** Manual review required **Sensor:** `04e68799-92b7-41...` **Time Window:** +/- 2 ...
2026-08-21T02:59:52
FusionSOC
Response action queued: recommended on Manual review required
2026-08-21T02:59:51
FusionSOC
Action tag โ failed: 401 Client Error: Unauthorized for url: https://api.limacharlie.io/v1/04e68799-92b7-411a-9abf-293a59ff94df/tags?tags=fusionsoc-investigated
2026-08-21T02:59:51
FusionSOC
Response action queued: tag on 04e68799-92b7-411a-9abf-293a59ff94df:fusionsoc-investigated
2026-08-21T02:59:51
FusionSOC AI
Detection 3496dba6-9b34-400a-a06d-93f56a87bd73 triaged as true_positive (medium severity, confidence: 0%)
2026-08-21T02:59:51
FusionSOC AI
Case created from detection: general.YARA Detection in Memory