BackgroundTransferHost.exe

by Microsoft
Operating System

Sources: 300M+ executions observed in the wild.

Summary

Background Transfer Host manages background file transfers for Windows Store apps and system components using BITS (Background Intelligent Transfer Service).

BackgroundTransferHost.exe is the 111th most commonly executed Windows program in EchoTrail's dataset, observed 200,444 times across enterprise environments. It typically runs from C:\Windows\System32 and it is most often launched by svchost.exe.

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111th
most commonly executed Windows program
200,444
observed endpoint executions

Behavior

Top Paths

  • C:\Windows\System32100%

Top Hashes (SHA256)

  • d5087b8a4ad2eac8e447d621c2383e791412b5b00fc0e4a37f4338847d5b22a322.32%
  • bd5f35555de04ffcc3564dbe10711acb7010accc40132be616a519c29b9538b421.46%
  • a6750e6cfab55aca0a4704e90aeb9fde1bc6a341bdc158189cc5442708ec7f8117.44%
  • d0b2ea23edf1c29e722904b4c2157e6f08b8a0f910cb2876b0a4821f3d434d5014.89%
  • 97c48adc319f7522c39c1f659e5dc5c7d2fb8eb1b7d403f3f2431059586b1f2f5.5%
  • 0713b4757aff9827c7d935e19855e778e1cd93fe5dfe4180d31978ef853775605.42%
  • 62b52f9594bdd96e73b2a21944977229786d4f4c421eb0f353c310b71a56c9aa4.75%
  • 50e46406c00182189f74ec64ca3aed40b35b99f999b254be4205c1e7de3194f63.5%
  • 397e4a972d6665dc9c96df4161c2a3e268f78590fb09048b0c19f3b5d3dd9a8a1.6%
  • ee406f94f5e8e4db280dfa70a77b7cc3ab53d1b11d6a52566a5cbcaa70d9eabc0.83%

Process Ancestry

Top Grandparents

Top Parents

Top Children

Security Analysis

What does BackgroundTransferHost.exe normally do?

Located in C:\Windows\System32 or standard Windows/Office paths. Part of normal Windows or Office operations.

When is BackgroundTransferHost.exe suspicious?

Running from non-standard paths. Parent process other than expected. Spawning shells or unusual child processes.

How do attackers abuse BackgroundTransferHost.exe?

Not commonly abused.

Detection guidance

Low priority. Validate path and parent process.

False positive notes

Normal system/Office operation.

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