From here you can browse all malware analysis in the database by hash.

The output is sub-categorized by the first three sets of Octets. To browse to your hash, you can either search for it, or click through the first 3 sets of bytes in the hash of the malware to locate the matching output if it exists.

Browse 28 9c 2f
289c2fbeabccee6478bacccafbdbf6e76cfb6a66 289c2fc65ef415b58c5f50e7b48cde36cddb725e