โ
Case #5156
general.NEW FILE WRITE BYTES SAMPLE GRAB
๐ท๏ธ Analyst Verdict Classification
FP by analyst๐ค AI Analysis
๐ Detections (1)
New Code Atypical Path
high
Rule: general.NEW FILE WRITE BYTES SAMPLE GRAB
Hostname: desktop-atsepsk ยท Sensor: 8f3a47be-5629-4c...
Event Type: NEW_DOCUMENT
Confidence: 0% ยท Verdict: true positive
Event Data:
FILE_PATH:
C:\Windows\Temp\RarSFX0\packages\bdredline.exe
HASH:
731937d59c11b42b8032c85a43037f6894a72a0884e01a16e9861e35cecc4959
PROCESS_ID:
112952
Analyst Declaration:
๐ Raw Detection JSON
{
"author": "ckeller@fusioncybersecurity.us",
"cat": "New Code Atypical Path",
"detect": {
"event": {
"FILE_PATH": "C:\\Windows\\Temp\\RarSFX0\\packages\\bdredline.exe",
"HASH": "731937d59c11b42b8032c85a43037f6894a72a0884e01a16e9861e35cecc4959",
"PROCESS_ID": 112952
},
"routing": {
"arch": 2,
"did": "",
"event_id": "5395a550-4df5-4059-b247-189ba4c93f19",
"event_time": 1780065416358,
"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": 1098,
"moduleid": 2,
"oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
"parent": "59273fc2dd6266b8fa4e5b976a19a489",
"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": "fbbf3233515544626191503c6a19a489"
}
},
"detect_id": "26e198c7-e547-4729-8c0f-0c556a19a489",
"gen_time": 1780065417456,
"link": "https://app.limacharlie.io/orgs/d3541070-8b0e-4663-8a6a-aa0727aacd36/sensors/8f3a47be-5629-4c66-921d-17c39ed07e87/timeline?time=1780065416\u0026selected=fbbf3233515544626191503c6a19a489",
"namespace": "general",
"routing": {
"arch": 2,
"did": "",
"event_id": "5395a550-4df5-4059-b247-189ba4c93f19",
"event_time": 1780065416358,
"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": 1098,
"moduleid": 2,
"oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
"parent": "59273fc2dd6266b8fa4e5b976a19a489",
"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": "fbbf3233515544626191503c6a19a489"
},
"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": 1780065418000
}
๐ Threat Intel JSON
{
"virustotal": {
"malicious": false,
"provider": "virustotal",
"reputation": 0,
"stats": {
"confirmed-timeout": 0,
"failure": 5,
"harmless": 0,
"malicious": 0,
"suspicious": 0,
"timeout": 1,
"type-unsupported": 4,
"undetected": 65
}
}
}
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 | executed | Tag applied | ||
| recommended | executed | General Activity Sweep: 0 events found |
๐ Add Note
๐ฌ Notes (3)
๐ค FusionSOC AI
2026-05-29T14:44
๐ค FusionSOC AI
2026-05-29T14:44
๐ค FusionSOC AI
2026-05-29T14:44
๐ Timeline
2026-05-31T15:06:11
analyst
Status changed: investigating โ closed
2026-05-31T15:06:04
analyst
Analyst classified as False Positive (FP)
2026-05-29T14:44:09
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...
2026-05-29T14:44:09
FusionSOC AI
Status changed: open โ investigating
2026-05-29T14:44:09
FusionSOC
Action recommended โ executed: General Activity Sweep: 0 events found
2026-05-29T14:44:09
FusionSOC AI
Note by FusionSOC AI: ## ๐ General Activity Sweep **Action:** Manual review required **Sensor:** `8f3a47be-5629-4c...` **Time Window:** +/- 2 ...
2026-05-29T14:44:08
FusionSOC
Response action queued: recommended on Manual review required
2026-05-29T14:44:08
FusionSOC
Action tag โ executed: Tag applied
2026-05-29T14:44:08
FusionSOC
Response action queued: tag on 8f3a47be-5629-4c66-921d-17c39ed07e87:fusionsoc-investigated
2026-05-29T14:44:08
FusionSOC AI
Detection 26e198c7-e547-4729-8c0f-0c556a19a489 triaged as true_positive (medium severity, confidence: 0%)
2026-05-29T14:44:08
FusionSOC AI
Case created from detection: general.NEW FILE WRITE BYTES SAMPLE GRAB