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'BlackSanta' EDR Killer Targets HR Workflows

ID: 5f63c681-5860-5def-a0f0-11a0b200f349

STIX ID: report--5f63c681-5860-5def-a0f0-11a0b200f349

Feed Name: Dark Reading

Threat Score
78/100

Date Published: 2026-03-10

Date Updated: 2026-04-21

Author: Elizabeth Montalbano

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The 'BlackSanta' campaign is a year-long Russian-speaking operation targeting HR recruitment workflows by delivering resume-themed ISO files that execute LNK shortcuts, run obfuscated PowerShell to extract payloads hidden in steganographic images, and sideload legitimately signed kernel drivers to disable antivirus/EDR, suppress logging, and exfiltrate sensitive data, enabling stealthy persistence and credential theft while evading detection.

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