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LIVING OFF THE LAND / OS BINARIES

CustomShellHost.exe

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A host process that is used by custom shells when using Windows in Kiosk mode.

Execute
01COMMAND EXAMPLES
01ATT&CK TECHNIQUES
01DETECTION RESOURCES
01CAPABILITIES
01 / TRADECRAFT

Command reference

1 examples

Execute1

EXAMPLE 01T1218

Executes explorer.exe (with command-line argument /NoShellRegistrationCheck) if present in the current working folder.

COMMAND
CustomShellHost.exe
USE CASE
Can be used to evade defensive counter-measures
PRIVILEGES
User
OPERATING SYSTEM
Windows 10, Windows 11
Execute · EXE
02 / ON DISK

Known paths

C:\Windows\System32\CustomShellHost.exe
03 / DEFENSIVE INTELLIGENCE

Detection & indicators

1 resources

Indicators & detection notes

  • IOC

    CustomShellHost.exe is unlikely to run on normal workstations

FURTHER READING

Research & resources

COMMUNITY RESEARCH

Acknowledgements

John Carroll@YoSignals