`b122a9873bedf145ae2a7fd024b5f309007dbb025149f4dc4ac3f7e4f32a36a4`

b122a9873bedf145ae2a7fd024b5f309007dbb025149f4dc4ac3f7e4f32a36a4 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 b122a9873bed...

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

Source

…domain https://maskasd.com/8555575039 URL Post Compromise C2 beacon endpoint File indicators Indicator Type Description B122A9873BEDF145AE2A7FD024B5F309007DBB025149F4DC4AC3F7E4F32A36A4 SHA-256 setup.cjs (malicious postinstall dropper) AE70DD4F6BC0D1C8C2848E4E6B51934626C4818DCB5AF99D080DDBD7DC337185 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.