AtBroker.exe
Sources: 300M+ executions observed in the wild.
Summary
Assistive Technology Broker - manages accessibility (AT) applications like Narrator, Magnifier, and on-screen keyboard.
AtBroker.exe is the 536th most commonly executed Windows program in EchoTrail's dataset, observed 10,043 times across enterprise environments. It typically runs from C:\Windows\System32 and it is most often launched by winlogon.exe.
Get this in your tools
The same record for atbroker.exe, by REST or as an MCP tool. Free key, no card.
curl -H "Authorization: Bearer $ECHOTRAIL_KEY" \
https://api.echotrail.io/v1/process/atbroker.exeFree returns the summary. Team returns the full record you see on this page. Endpoint docs
Behavior
Top Paths
- C:\Windows\System32100%
Top Hashes (SHA256)
- 78ff9af3b2319b2776b8937df584ad6899433fd10dea64d8081f2f69b0d567b240.2%
- c8d67389d90381efda4bfc7e198c6423ed8146803d0b6b8556714bf70678938313.96%
- 63a92b2a5c99f4c339bc55ba45b61d0cd6a4e4970b6ba9613b7b0e19771e4cd18.97%
- f7686ec25aaf67724cd6170a9d7a20cd987ea32f35ef654ae56fdcea16180c5d8.02%
- 39fdca8f94f2f8653d7e5054eb3878e8b0e9a36cd8817609c68361dab52d91735.51%
- fac0293dd1061b151e779bf4b245e6652c951fedebc602a166156dfbd38b5d674.65%
- a84417ee9d039891af43b267896db921a40838d8a17cc1be29785d031e5944d43.98%
- ce21acae03a54fc15cbf6fd553ca87ed778755d41a68a701a134790cf2e14f453.25%
- a4924c3a207b8f1c55318b0012d0e99d06cdeef8709296ce25881cc46b31aec13.18%
- 80cc3fb17d8cbb4a68f27c607a8d1c0208cee892f6d2a2e222e18b23d4e0fc762.88%
Process Ancestry
Top Grandparents
- smss.exe97.06%
- userinit.exe1.17%
- svchost.exe0.83%
- winlogon.exe0.79%
- LogonUI.exe0.08%
- nvvsvc.exe0.04%
- dwm.exe0.02%
Top Parents
- winlogon.exe98.67%
- explorer.exe0.64%
- AtBroker.exe0.45%
- utilman.exe0.01%
Top Children
- sethc.exe94%
- Magnify.exe3.24%
- AtBroker.exe1.07%
- osk.exe0.27%
Ask Rocky about AtBroker.exe
Rocky is the free chat demo. It answers from this same dataset, no account needed.
This page is the Team-tier API record for AtBroker.exe. The free tier returns the summary, 500 lookups a month. Or ask Rocky.