S1248 XORIndex Loader

malwareEnterprise

platformsWindows

also known asXORIndex Loader

XORIndex Loader is a XOR-encoded loader that collects host data, decodes follow-on scripts and acts as a downloader for the BeaverTail malware. XORIndex Loader was first reported in June 2025. XORIndex Loader has been leveraged by North Korea-affiliated threat actors identified as Contagious Interview. XORIndex Loader has been delivered to victims through code repository sites utilizing typo squatting naming conventions of various npm packages.

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techniques used (12)

ATT&CK techniques this enables or maps to.

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used by groups (1)

Threat groups associated with this.

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source

Where this definition is published.

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