`b73de25c053c3225a077738a1fcbd9ca6966d7b3cd6f5494a30f0aa0eae55c7e`

b73de25c053c3225a077738a1fcbd9ca6966d7b3cd6f5494a30f0aa0eae55c7e is a file hash that one published source reports in connection with APT38 activity, which public reporting attributes to North Korea (DPRK). It is cited here from Microsoft. The report is dated 2026-06-18.

file hash APT38 MATCHED IN SOURCE

Listed as b73de25c053c...

First seen 2026-06-18 · last seen 2026-06-18

Source

…tarball) 4A8860240E4231C3A74C81949BE655A28E096A7D72F38FBE84E5B37636B98417 SHA-256 easy-day-js-1.11.21.tgz (clean bait tarball) B73DE25C053C3225A077738A1FCBD9CA6966D7B3CD6F5494A30F0AA0EAE55C7E SHA-256 mastra-1.13.1.tgz (compromised CLI tarball) 221c45a790dec2a296af57969e1165a16f8f49733aeab64c0bbd768d9943badf SHA-256…
From package to postinstall payload: Inside the Mastra npm supply chain compromise by Sapphire Sleet | Microsoft Security Blog — Microsoft · under “Indicators of compromise (IOC)” · published 2026-06-18 · pulled 2026-09-11

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Related indicators

Cited by the same report: From package to postinstall payload: Inside the Mastra npm supply chain compromise by Sapphire Sleet | Microsoft Security Blog

Microsoft lists 11 other indicators in this source.