โ
Case #4534
general.fusionsoc-t1547-boot-logon-autostart-execution
๐ท๏ธ Analyst Verdict Classification
๐ค AI Analysis
๐ Detections (1)
fusionsoc-t1547-boot-logon-autostart-execution
high
Rule: general.fusionsoc-t1547-boot-logon-autostart-execution
Hostname: desktop-atsepsk ยท Sensor: 8f3a47be-5629-4c...
Event Type: NEW_PROCESS
Confidence: 62% ยท Verdict: false positive
Event Data:
BASE_ADDRESS:
140695559340032
COMMAND_LINE:
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --flag-switches-begin --flag-switches-end --no-startup-window
FILE_IS_SIGNED:
1
FILE_PATH:
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
HASH:
47455576c6fb157a3a4ddd4ffa3a35d286cb2346d131d08bcaef873b15f5707b
MEMORY_USAGE:
8757248
PARENT:
{'BASE_ADDRESS': 140695559340032, 'COMMAND_LINE': '"C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe" --flag-switches-begin --flag-switches-end --no-startup-window', 'FILE_IS_SIGNED': 1, 'FILE_PATH': 'C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe', 'HASH': '47455576c6fb157a3a4ddd4ffa3a35d286cb2346d131d08bcaef873b15f5707b', 'MEMORY_USAGE': 150147072, 'PARENT_ATOM': '4b0e108024d6449e9843a8ab6a0f79cb', 'PARENT_PROCESS_ID': 31888, 'PROCESS_ID': 67296, 'THIS_ATOM': 'd9d3c1a7cce9999317ec756d6a0f95eb', 'THREADS': 64, 'TIMESTAMP': 1779406314579, 'USER_NAME': 'DESKTOP-ATSEPSK\\Joy Howell'}
PARENT_PROCESS_ID:
67296
PROCESS_ID:
38028
THREADS:
4
USER_NAME:
DESKTOP-ATSEPSK\Joy Howell
Analyst Declaration:
๐ Raw Detection JSON
{
"author": "turbo-threads-api",
"cat": "fusionsoc-t1547-boot-logon-autostart-execution",
"detect": {
"event": {
"BASE_ADDRESS": 140695559340032,
"COMMAND_LINE": "\"C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe\" --flag-switches-begin --flag-switches-end --no-startup-window",
"FILE_IS_SIGNED": 1,
"FILE_PATH": "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe",
"HASH": "47455576c6fb157a3a4ddd4ffa3a35d286cb2346d131d08bcaef873b15f5707b",
"MEMORY_USAGE": 8757248,
"PARENT": {
"BASE_ADDRESS": 140695559340032,
"COMMAND_LINE": "\"C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe\" --flag-switches-begin --flag-switches-end --no-startup-window",
"FILE_IS_SIGNED": 1,
"FILE_PATH": "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe",
"HASH": "47455576c6fb157a3a4ddd4ffa3a35d286cb2346d131d08bcaef873b15f5707b",
"MEMORY_USAGE": 150147072,
"PARENT_ATOM": "4b0e108024d6449e9843a8ab6a0f79cb",
"PARENT_PROCESS_ID": 31888,
"PROCESS_ID": 67296,
"THIS_ATOM": "d9d3c1a7cce9999317ec756d6a0f95eb",
"THREADS": 64,
"TIMESTAMP": 1779406314579,
"USER_NAME": "DESKTOP-ATSEPSK\\Joy Howell"
},
"PARENT_PROCESS_ID": 67296,
"PROCESS_ID": 38028,
"THREADS": 4,
"USER_NAME": "DESKTOP-ATSEPSK\\Joy Howell"
},
"routing": {
"arch": 2,
"did": "",
"event_id": "7df854e6-a266-4bf4-abe6-617bf765e46c",
"event_time": 1779420715295,
"event_type": "NEW_PROCESS",
"ext_ip": "23.128.32.10",
"hostname": "desktop-atsepsk",
"iid": "b2cd59fc-d09d-49e0-a9f2-1fd79ee9c175",
"int_ip": "192.168.50.200",
"latency": 975,
"moduleid": 2,
"oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
"parent": "d9d3c1a7cce9999317ec756d6a0f95eb",
"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": "be5b619c9bd169e577d6e76b6a0fce2b"
}
},
"detect_id": "2a616fb3-fa03-417a-86dd-539e6a0fce2c",
"gen_time": 1779420716273,
"link": "https://app.limacharlie.io/orgs/d3541070-8b0e-4663-8a6a-aa0727aacd36/sensors/8f3a47be-5629-4c66-921d-17c39ed07e87/timeline?time=1779420715\u0026selected=be5b619c9bd169e577d6e76b6a0fce2b",
"namespace": "general",
"routing": {
"arch": 2,
"did": "",
"event_id": "7df854e6-a266-4bf4-abe6-617bf765e46c",
"event_time": 1779420715295,
"event_type": "NEW_PROCESS",
"ext_ip": "23.128.32.10",
"hostname": "desktop-atsepsk",
"iid": "b2cd59fc-d09d-49e0-a9f2-1fd79ee9c175",
"int_ip": "192.168.50.200",
"latency": 975,
"moduleid": 2,
"oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
"parent": "d9d3c1a7cce9999317ec756d6a0f95eb",
"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": "be5b619c9bd169e577d6e76b6a0fce2b"
},
"rule_tags": [
"attack.t1547",
"attack.persistence"
],
"source": "d3541070-8b0e-4663-8a6a-aa0727aacd36.b2cd59fc-d09d-49e0-a9f2-1fd79ee9c175.8f3a47be-5629-4c66-921d-17c39ed07e87.10000000.2",
"source_rule": "general.fusionsoc-t1547-boot-logon-autostart-execution",
"ts": 1779420716000
}
๐ Threat Intel JSON
{
"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": 71
}
}
}
๐ค Triage JSON
{
"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": 33,
"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 detected process is Microsoft Edge (msedge.exe) running from its expected location, which is common and benign.\n\n**IOC Analysis:** The file path and hash match legitimate Microsoft Edge binaries, and the process is running from its expected directory. No suspicious activity is observed.\n\n---\n\n### \ud83e\udd16 deepseek-r1:16b Analysis (Secondary + RAG)\n**Verdict:** false_positive | **Confidence:** 0.9\nThe detection event involves the Microsoft Edge executable (msedge.exe) running from its legitimate installation directory. The file is signed by Microsoft, and the process is part of normal user activity. Historical data shows similar events being marked as false positives.\n\n**IOC Analysis:** FILE_PATH is located in C:\\Program Files (x86)\\Microsoft\\Edge, which is a known legitimate software directory. FILE_IS_SIGNED is 1, indicating the file is signed by Microsoft. The process is running under a user account and appears to be a legitimate application launch.\n\n---\n\n### \ud83e\udd16 gemma3:4b Analysis (Secondary)\nFailed or timed out.",
"verdict": "false_positive",
"voting": {
"auto_action": "manual_review",
"mode": "majority",
"total_models": 3,
"vote_summary": [
"qwen3.5:35b: true_positive (medium, 0% confidence)",
"qwen3.5:4b +RAG: false_positive (low, 95% confidence)",
"deepseek-r1:16b +RAG: false_positive (medium, 90% confidence)"
],
"votes": [
{
"confidence": 0.0,
"model": "qwen3.5:35b",
"verdict": "true_positive"
},
{
"confidence": 0.95,
"had_rag": true,
"model": "qwen3.5:4b",
"verdict": "false_positive"
},
{
"confidence": 0.9,
"had_rag": true,
"model": "deepseek-r1:16b",
"verdict": "false_positive"
}
],
"winning_count": 2,
"winning_verdict": "false_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
2026-05-22T03:38
๐ค FusionSOC AI
2026-05-22T03:38
๐ค FusionSOC AI
2026-05-22T03:38
๐ Timeline
2026-05-22T03:38:38
FusionSOC AI
Note by FusionSOC AI: ## ๐ณ๏ธ Secondary Vote (RAG-Enhanced) **Vote:** MAJORITY (2/3 โ FALSE POSITIVE) - qwen3.5:35b: true_positive (medium, 0% ...
2026-05-22T03:38:21
FusionSOC AI
Status changed: open โ investigating
2026-05-22T03:38:21
FusionSOC
Action recommended โ executed: General Activity Sweep: 0 events found
2026-05-22T03:38:21
FusionSOC AI
Note by FusionSOC AI: ## ๐ General Activity Sweep **Action:** Manual review required **Sensor:** `8f3a47be-5629-4c...` **Time Window:** +/- 2 ...
2026-05-22T03:38:21
FusionSOC
Response action queued: recommended on Manual review required
2026-05-22T03:38:21
FusionSOC
Action tag โ executed: Tag applied
2026-05-22T03:38:21
FusionSOC
Response action queued: tag on 8f3a47be-5629-4c66-921d-17c39ed07e87:fusionsoc-investigated
2026-05-22T03:38:20
FusionSOC AI
Detection 2a616fb3-fa03-417a-86dd-539e6a0fce2c triaged as true_positive (medium severity, confidence: 0%)
2026-05-22T03:38:20
FusionSOC AI
Case created from detection: general.fusionsoc-t1547-boot-logon-autostart-execution