Hashcat efficiency degradation through time - Django (PBKDF2-SHA256)
#1
Recently I have arrived into a strange scenario where I have acquired "Django (PBKDF2-SHA256)" hashes. Whenever I start the process of breaking these hashes, efficiency degradation happens throughout time.

For example, when I start the process, Hashcat's status shows 540.5 kH/s.
However, after roughly 33 minutes into the hash breaking process, efficiency degrades to 43761 H/s.

Is this expected?
Why isn't this behavior apparent when breaking MD5, NTLM or NTLMv2 hashes?
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Hashcat efficiency degradation through time - Django (PBKDF2-SHA256) - by rocquefort - 01-07-2022, 05:03 PM