Heat oil in a large skillet over medium-high heat.
Add garlic, shallots, and chilies, and stir-fry for about 30 seconds until fragrant.
Add the ground chicken and cook until fully browned, breaking it apart as it cooks.
Stir in soy sauce, oyster sauce, fish sauce, and sugar. Mix well.
Add water and stir until everything is combined. Cook for 1–2 more minutes.
Turn off heat and stir in Thai basil until wilted.
Serve immediately over hot jasmine rice.