Ttdinject | LOLBAS

.. /Ttdinject.exe

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Used by Windows 1809 and newer to Debug Time Travel (Underlying call of tttracer.exe)

Paths:

C:\Windows\System32\ttdinject.exe
C:\Windows\Syswow64\ttdinject.exe

Resources:

Acknowledgements:

Oddvar Moe (@oddvarmoe)
Maxime Nadeau (@m_nad0)

Detection:

Sigma: https://github.com/SigmaHQ/sigma/blob/683b63f8184b93c9564c4310d10c571cbe367e1e/rules/windows/create_remote_thread/create_remote_thread_win_ttdinjec.yml
Sigma: https://github.com/SigmaHQ/sigma/blob/7ea6ed3db65e0bd812b051d9bb4fffd27c4c4d0a/rules/windows/process_creation/proc_creation_win_lolbin_ttdinject.yml
IOC: Parent child relationship. Ttdinject.exe parent for executed command
IOC: Multiple queries made to the IFEO registry key of an untrusted executable (Ex. "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\payload.exe") from the ttdinject.exe process

Execute

Execute calc using ttdinject.exe. Requires administrator privileges. A log file will be created in tmp.run. The log file can be changed, but the length (7) has to be updated.

TTDInject.exe /ClientParams "7 tmp.run 0 0 0 0 0 0 0 0 0 0" /Launch "C:/Windows/System32/calc.exe"

Use case: Spawn process using other binary

Privileges required: Administrator

Operating systems: Windows 10 2004 and above, Windows 11

ATT&CK® technique: T1127

Execute calc using ttdinject.exe. Requires administrator privileges. A log file will be created in tmp.run. The log file can be changed, but the length (7) has to be updated.

ttdinject.exe /ClientScenario TTDRecorder /ddload 0 /ClientParams "7 tmp.run 0 0 0 0 0 0 0 0 0 0" /launch "C:/Windows/System32/calc.exe"

Use case: Spawn process using other binary

Privileges required: Administrator

Operating systems: Windows 10 1909 and below

ATT&CK® technique: T1127