It's a mixed breed. Maybe a dutch mix.
That white markings is probably either coming from the dutch gene or vienna gene. So we know at least one of its ancestors had dutch or vienna genes. Dutch and Hotot are the only ones with dutch gene. Vienna gene is found in most small pet breeds and a couple larger breeds, so it could theoretically be almost anything. The coloring is tortoiseshell - either a pale black tortoiseshell or a chocolate tortoiseshell.
100% sure that is not a Thrianta. Thriantas are a rare breed, and that one has the wrong color (tortoise and not red, not to mention an extreme lack of color intensity), markings (they never have white spotting), and build (they are compact built, thick furred rabbits,where this one looks to be slender with a narrow head and thinner fur)