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 43 ac
2843ac79323fda6b4c0dd576b90c23a79f96f419 2843acf8747f6452817584e4fe8f9e70339af4d2