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 21 a9 07
21a9072e577c453779a83b3f6b747edd93362e47 21a90782898be7ae5fc8f7b146b91464262be875