โ
Case #4748
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: 27% ยท Verdict: true positive
Event Data:
BASE_ADDRESS:
140698254573568
COMMAND_LINE:
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --startup-read-main-dll --metrics-shmem-handle=2948,i,10233827718121762805,5626945223805076765,524288 --field-trial-handle=2492,i,28424394660168122,6606979384885162894,262144 --variations-seed-version --pseudonymization-salt-handle=2496,i,7546317745994048809,10177574905679872278,4 --trace-process-track-uuid=3190708990060038890 --mojo-platform-channel-handle=2968 /prefetch:13
FILE_IS_SIGNED:
1
FILE_PATH:
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
HASH:
b4ea52196967c69a61c114c9934950f511f26bded473107e1b6c37cd8a22bf9e
MEMORY_USAGE:
20832256
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': 137637888, 'PARENT_ATOM': 'e8e25698619f47901ab9ca416a12c59b', 'PARENT_PROCESS_ID': 88440, 'PROCESS_ID': 68064, 'THIS_ATOM': '4016d953195e1430e105d7806a12fddc', 'THREADS': 60, 'TIMESTAMP': 1779629531511, 'USER_NAME': 'DESKTOP-ATSEPSK\\Joy Howell'}
PARENT_PROCESS_ID:
68064
PROCESS_ID:
80436
THREADS:
9
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=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --startup-read-main-dll --metrics-shmem-handle=2948,i,10233827718121762805,5626945223805076765,524288 --field-trial-handle=2492,i,28424394660168122,6606979384885162894,262144 --variations-seed-version --pseudonymization-salt-handle=2496,i,7546317745994048809,10177574905679872278,4 --trace-process-track-uuid=3190708990060038890 --mojo-platform-channel-handle=2968 /prefetch:13",
"FILE_IS_SIGNED": 1,
"FILE_PATH": "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe",
"HASH": "b4ea52196967c69a61c114c9934950f511f26bded473107e1b6c37cd8a22bf9e",
"MEMORY_USAGE": 20832256,
"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": 137637888,
"PARENT_ATOM": "e8e25698619f47901ab9ca416a12c59b",
"PARENT_PROCESS_ID": 88440,
"PROCESS_ID": 68064,
"THIS_ATOM": "4016d953195e1430e105d7806a12fddc",
"THREADS": 60,
"TIMESTAMP": 1779629531511,
"USER_NAME": "DESKTOP-ATSEPSK\\Joy Howell"
},
"PARENT_PROCESS_ID": 68064,
"PROCESS_ID": 80436,
"THREADS": 9,
"USER_NAME": "DESKTOP-ATSEPSK\\Joy Howell"
},
"routing": {
"arch": 2,
"did": "",
"event_id": "03651a61-283c-4307-ad8f-96d89a1d3f0c",
"event_time": 1779629532108,
"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": 548,
"moduleid": 2,
"oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
"parent": "4016d953195e1430e105d7806a12fddc",
"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": "3b474c18d940511b115e52e96a12fddc"
}
},
"detect_id": "9c05754a-02a1-4bd0-8cd8-f0bb6a12fddc",
"gen_time": 1779629532657,
"link": "https://app.limacharlie.io/orgs/d3541070-8b0e-4663-8a6a-aa0727aacd36/sensors/8f3a47be-5629-4c66-921d-17c39ed07e87/timeline?time=1779629532\u0026selected=3b474c18d940511b115e52e96a12fddc",
"namespace": "general",
"routing": {
"arch": 2,
"did": "",
"event_id": "03651a61-283c-4307-ad8f-96d89a1d3f0c",
"event_time": 1779629532108,
"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": 548,
"moduleid": 2,
"oid": "d3541070-8b0e-4663-8a6a-aa0727aacd36",
"parent": "4016d953195e1430e105d7806a12fddc",
"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": "3b474c18d940511b115e52e96a12fddc"
},
"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": 1779629532000
}
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": 0.267,
"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": 23,
"severity": "high",
"summary": "**Vote: MAJORITY (2/3 -\u003e TRUE POSITIVE)**\n\n### \ud83e\udd16 qwen3.5:4b Analysis (Secondary + RAG)\n**Verdict:** false_positive | **Confidence:** 0.8\nThe detected process is a legitimate instance of Microsoft Edge running from its expected directory, and the hash matches a known, legitimate version.\n\n**IOC Analysis:** The FILE_PATH and COMMAND_LINE indicate a legitimate Microsoft Edge process. No suspicious activity was observed in the process tree or recent events.\n\n---\n\n### \ud83e\udd16 deepseek-r1:16b Analysis (Secondary + RAG)\n**Verdict:** true_positive | **Confidence:** 0.0\nThe detection event involves msedge.exe, a legitimate Microsoft Edge process, running from its expected location in Program Files (x86). The file is signed by Microsoft, and the process is part of normal Edge operations. Historical data shows this activity is frequently a false positive.\n\n**IOC Analysis:** FILE_PATH is located in C:\\Program Files (x86)\\Microsoft\\Edge, which is a known legitimate location for Microsoft software. FILE_IS_SIGNED is 1, indicating the file is signed by Microsoft. The process is part of the Edge browser\u0027s legitimate operations, particularly a utility service component.\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": 3,
"vote_summary": [
"qwen3.5:35b: true_positive (medium, 0% confidence)",
"qwen3.5:4b +RAG: false_positive (low, 80% confidence)",
"deepseek-r1:16b +RAG: true_positive (critical|high|medium|low|informational, 0% confidence)"
],
"votes": [
{
"confidence": 0.0,
"model": "qwen3.5:35b",
"verdict": "true_positive"
},
{
"confidence": 0.8,
"had_rag": true,
"model": "qwen3.5:4b",
"verdict": "false_positive"
},
{
"confidence": 0.0,
"had_rag": true,
"model": "deepseek-r1:16b",
"verdict": "true_positive"
}
],
"winning_count": 2,
"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
2026-05-24T13:40
๐ค FusionSOC AI
2026-05-24T13:40
๐ค FusionSOC AI
2026-05-24T13:40
๐ Timeline
2026-05-24T13:40:24
FusionSOC AI
Note by FusionSOC AI: ## ๐ณ๏ธ Secondary Vote (RAG-Enhanced) **Vote:** MAJORITY (2/3 โ TRUE POSITIVE) - qwen3.5:35b: true_positive (medium, 0% c...
2026-05-24T13:40:08
FusionSOC AI
Status changed: open โ investigating
2026-05-24T13:40:08
FusionSOC
Action recommended โ executed: General Activity Sweep: 0 events found
2026-05-24T13:40:08
FusionSOC AI
Note by FusionSOC AI: ## ๐ General Activity Sweep **Action:** Manual review required **Sensor:** `8f3a47be-5629-4c...` **Time Window:** +/- 2 ...
2026-05-24T13:40:08
FusionSOC
Response action queued: recommended on Manual review required
2026-05-24T13:40:08
FusionSOC
Action tag โ executed: Tag applied
2026-05-24T13:40:08
FusionSOC
Response action queued: tag on 8f3a47be-5629-4c66-921d-17c39ed07e87:fusionsoc-investigated
2026-05-24T13:40:07
FusionSOC AI
Detection 9c05754a-02a1-4bd0-8cd8-f0bb6a12fddc triaged as true_positive (medium severity, confidence: 0%)
2026-05-24T13:40:07
FusionSOC AI
Case created from detection: general.fusionsoc-t1547-boot-logon-autostart-execution