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Microsoft-Windows-TaskScheduler › Event 141

Event ID 141 — User "TaskName" deleted Task Scheduler task "Name".

Provider
Microsoft-Windows-TaskScheduler
Channel
Operational
Level
Informational
Collection Priority
Recommended (Microsoft-WEF, others)
Task
Taskregistrationdeleted

Description

User "TaskName" deleted Task Scheduler task "Name".

Message #

User "%2"  deleted Task Scheduler task "%1"

Fields #

NameDescription
Name—
TaskName UnicodeString—
UserName UnicodeString—

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-TaskScheduler",
    "guid": "DE7B24EA-73C8-4A09-985D-5BDADCFA9017",
    "event_source_name": "",
    "event_id": 141,
    "version": 0,
    "level": 4,
    "task": 141,
    "opcode": 0,
    "keywords": 9223372036854775808,
    "time_created": "2023-11-06T01:01:44.133714+00:00",
    "event_record_id": 911,
    "correlation": {},
    "execution": {
      "process_id": 1392,
      "thread_id": 13064
    },
    "channel": "Microsoft-Windows-TaskScheduler/Operational",
    "computer": "WinDev2310Eval",
    "security": {
      "user_id": "S-1-5-18"
    }
  },
  "event_data": {
    "Name": "TaskDeleted",
    "TaskName": "\\TVInstallRestore",
    "UserName": "WINDEV2310EVAL\\User"
  },
  "message": ""
}

Detection Rules #

View all rules referencing this event →

Sigma # view in reference

  • Important Scheduled Task Deleted source high: Detects when adversaries try to stop system services or processes by deleting their respective scheduled tasks in order to conduct data destructive activities

References #