โ
Case #4696
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:
140698254573568
COMMAND_LINE:
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --gpu-preferences=SAAAAAAAAADgAAAEAAAAAAAAAAAAAGAAAQAAAAAAAAAAAAAAAAAAAAIAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --startup-read-main-dll --metrics-shmem-handle=2256,i,16487382928794137957,9933134599842633465,262144 --field-trial-handle=2488,i,16418572638876759562,160007659669940157,262144 --variations-seed-version --pseudonymization-salt-handle=2392,i,13525517945155967893,12507528691272449191,4 --trace-process-track-uuid=3190708988185955192 --mojo-platform-channel-handle=2484 /prefetch:2
FILE_IS_SIGNED:
1
FILE_PATH:
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
HASH:
b4ea52196967c69a61c114c9934950f511f26bded473107e1b6c37cd8a22bf9e
MEMORY_USAGE:
61509632
PARENT:
{'BASE_ADDRESS': 140698254573568, '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': 'b4ea52196967c69a61c114c9934950f511f26bded473107e1b6c37cd8a22bf9e', 'MEMORY_USAGE': 156446720, 'PARENT_ATOM': '24fc532565c783c21281448c6a120ec6', 'PARENT_PROCESS_ID': 70400, 'PROCESS_ID': 77836, 'THIS_ATOM': '647ade908df1d862e991addf6a124708', 'THREADS': 63, 'TIMESTAMP': 1779582727252, 'USER_NAME': 'DESKTOP-ATSEPSK\\Joy Howell'}
PARENT_PROCESS_ID:
77836
PROCESS_ID:
15092
THREADS:
14
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": 140698254573568,
"COMMAND_LINE": "\"C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe\" --type=gpu-process --gpu-preferences=SAAAAAAAAADgAAAEAAAAAAAAAAAAAGAAAQAAAAAAAAAAAAAAAAAAAAIAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --startup-read-main-dll --metrics-shmem-handle=2256,i,16487382928794137957,9933134599842633465,262144 --field-trial-handle=2488,i,16418572638876759562,160007659669940157,262144 --variations-seed-version --pseudonymization-salt-handle=2392,i,13525517945155967893,12507528691272449191,4 --trace-process-track-uuid=3190708988185955192 --mojo-platform-channel-handle=2484 /prefetch:2",
"FILE_IS_SIGNED": 1,
"FILE_PATH": "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe",
"HASH": "b4ea52196967c69a61c114c9934950f511f26bded473107e1b6c37cd8a22bf9e",
"MEMORY_USAGE": 61509632,
"PARENT": {
"BASE_ADDRESS": 140698254573568,
"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": "b4ea52196967c69a61c114c9934950f511f26bded473107e1b6c37cd8a22bf9e",
"MEMORY_USAGE": 156446720,
"PARENT_ATOM": "24fc532565c783c21281448c6a120ec6",
"PARENT_PROCESS_ID": 70400,
"PROCESS_ID": 77836,
"THIS_ATOM": "647ade908df1d862e991addf6a124708",
"THREADS": 63,
"TIMESTAMP": 1779582727252,
"USER_NAME": "DESKTOP-ATSEPSK\\Joy Howell"
},
"PARENT_PROCESS_ID": 77836,
"PROCESS_ID": 15092,
"THREADS": 14,
"USER_NAME": "DESKTOP-ATSEPSK\\Joy Howell"
},
"routing": {
"arch": 2,
"did": "",
"event_id": "2a43e6ad-dbde-44a5-8b43-6020b8f26219",
"event_time": 1779582727796,
"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": 1382,
"moduleid": 2,
"oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
"parent": "647ade908df1d862e991addf6a124708",
"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_disk"
],
"this": "463214afc1939dae100366cf6a124708"
}
},
"detect_id": "00015200-6242-46b8-bf84-0f346a124709",
"gen_time": 1779582729181,
"link": "https://app.limacharlie.io/orgs/d3541070-8b0e-4663-8a6a-aa0727aacd36/sensors/8f3a47be-5629-4c66-921d-17c39ed07e87/timeline?time=1779582727\u0026selected=463214afc1939dae100366cf6a124708",
"namespace": "general",
"routing": {
"arch": 2,
"did": "",
"event_id": "2a43e6ad-dbde-44a5-8b43-6020b8f26219",
"event_time": 1779582727796,
"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": 1382,
"moduleid": 2,
"oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
"parent": "647ade908df1d862e991addf6a124708",
"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_disk"
],
"this": "463214afc1939dae100366cf6a124708"
},
"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": 1779582730000
}
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 a legitimate instance of Microsoft Edge\u0027s GPU process, which is expected to run from its standard location.\n\n**IOC Analysis:** The file path and hash match known, legitimate Microsoft Edge binaries. The process tree shows typical behavior for an Edge GPU process.\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. The file is signed (FILE_IS_SIGNED=1), and the process is a standard user activity. The command line arguments are typical for Edge processes.\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
2026-05-24T00:39
๐ค FusionSOC AI
2026-05-24T00:39
๐ค FusionSOC AI
2026-05-24T00:39
๐ Timeline
2026-05-24T00:39:22
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% ...
2026-05-24T00:39:06
FusionSOC AI
Status changed: open โ investigating
2026-05-24T00:39:06
FusionSOC
Action recommended โ executed: General Activity Sweep: 0 events found
2026-05-24T00:39:06
FusionSOC AI
Note by FusionSOC AI: ## ๐ General Activity Sweep **Action:** Manual review required **Sensor:** `8f3a47be-5629-4c...` **Time Window:** +/- 2 ...
2026-05-24T00:39:05
FusionSOC
Response action queued: recommended on Manual review required
2026-05-24T00:39:05
FusionSOC
Action tag โ executed: Tag applied
2026-05-24T00:39:05
FusionSOC
Response action queued: tag on 8f3a47be-5629-4c66-921d-17c39ed07e87:fusionsoc-investigated
2026-05-24T00:39:05
FusionSOC AI
Detection 00015200-6242-46b8-bf84-0f346a124709 triaged as true_positive (medium severity, confidence: 0%)
2026-05-24T00:39:05
FusionSOC AI
Case created from detection: general.fusionsoc-t1547-boot-logon-autostart-execution