So, without a word list this could be a long process using a Linux cracker such as HashCat.
Luckily, one of the of the hash tables online have the answer you're looking for.
Try one of these:
https://crackstation.net/
https://hashes.com/en/decrypt/hash
277c14a1a4dc564494571a1257da8504
Submit Your Answer to
ImTryinToSaveChristmas@CCubedTraining.com