wmiapsrv.exe

by Microsoft
Operating System

Sources: 300M+ executions observed in the wild.

Summary

WMI Performance Adapter (wmiapsrv.exe) translates performance counter data into WMI classes, making Windows performance data available through WMI queries. It acts as a bridge between the Windows Performance Counter infrastructure and WMI.

wmiapsrv.exe is the 18th most commonly executed Windows program in EchoTrail's dataset, observed 3,723,284 times across enterprise environments. It typically runs from C:\Windows\System32\wbem and it is most often launched by services.exe.

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18th
most commonly executed Windows program
3,723,284
observed endpoint executions

Behavior

Top Paths

  • C:\Windows\System32\wbem100%

Top Hashes (SHA256)

  • cbf60ed17a5b9cf79523f1493bccd52b3c39632c4c83de1fd49cfd2b70f0153036%
  • d7697f75eb9caa5924cf7227a46bc5a0f1bdd3fa14d384ed5b669c1fb512b31d21.3%
  • 5a29ebb6da036e303611eb1304192655021405bb05452fd37886dde604ff0d9d11.88%
  • 1ac267ac73670bea5f3785c9ad9db146f8e993a862c843742b21fdb90d102b2a9.32%
  • b6c9a96801e12ca6714ced663b7c85d0422f4f78cb667c729c4813609f3b5b507.68%
  • 4b5e41eef2cd86b36b702ce00f6b8f97f9aa483fc0d91538df5e2ca421b69e3b2.97%
  • 8a221672e37fd7f30d35b3466ca9f1a473f9a77c27a5a16c6392bceeccafea6f2.5%
  • 3c4f864655cff786b33333e643aa929b2d2b01ecd56eeeeade7ceab38249da3b1.42%
  • f6f09145e9461eb17172988d26749fcf36920a1a683459334d04a6d072b31a921.19%
  • c1580315758fec14d209f7c232e6d70bccd375d68cb5967da055acc5a52a20f00.92%

Process Ancestry

Top Grandparents

Top Parents

Top Children

Security Analysis

What does wmiapsrv.exe normally do?

Located in C:\Windows\System32\wbem. Always launched by services.exe (runs as a service). Single instance.

When is wmiapsrv.exe suspicious?

Parent process other than services.exe. Running from outside the wbem directory. Spawning child processes.

How do attackers abuse wmiapsrv.exe?

Not commonly abused.

Detection guidance

Low priority. Validate parent and path.

False positive notes

Normal background process.

Related Processes

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