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 b1 a9
81b1a94cef607fd551ec09f93188641fe735cc9b 81b1a98858d4d9b1a114c4b4cc4eaa444a1ec401