Stir together the brown sugar, soy sauce, sesame oil, olive oil, rice vinegar, lime juice, garlic, ginger, and Sriracha in the crock of a slow cooker. Add the ribs; cover and refrigerate. Allow ribs to marinate in the refrigerator for 8 hours or overnight. Before cooking, drain marinade and discard. Cook on Low for 9 hours. Drain cooked meat and shred, using 2 forks.