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 81 7f ef
817fef11a473cb7615b036d44a2692ee20b2e438 817fef7fcb91a76623a03a0ca8144fbf92411259