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DarkCracks is a stealthy multi-stage malware delivery and upgrade framework targeting internet-facing systems through compromised web applications and websites. It has been observed abusing compromised GLPI and WordPress instances as downloader infrastructure and command-and-control nodes. The framework is built around a modular chain in which an initial downloader retrieves a Runner component, which decrypts configuration data, establishes persistence, and then downloads, decrypts, and executes an encrypted Client payload. The Client reports host information to operator-controlled infrastructure and supports remote updating of multiple framework components. DarkCracks is notable for its resilience and operational redundancy. Its Runner and Client use encrypted configuration data and a layered task-retrieval design that first attempts direct retrieval, then falls back to backup configurations hosted on public platforms, and finally to a domain-generation fallback. Persistence mechanisms include cron-based execution, shell profile modification, and init-script installation depending on privilege level and environment. The malware also employs string obfuscation and encrypted payload delivery to hinder analysis and detection. Observed samples indicate cross-platform support for Linux environments across multiple CPU architectures, including ARM, MIPS, and x86/x64, suggesting broad targeting of servers, embedded devices, or edge systems. A related Windows distribution channel has also been observed delivering a QuasarRAT loader through a malicious DLL, indicating the operators may support both Linux- and Windows-based post-compromise tooling. Victimology indicates targeting of public-facing and critical-service-adjacent organizations, including school systems, public transportation systems, prison visitor systems, and financial institutions across multiple countries. A Korean-language resume-themed lure associated with related infrastructure suggests at least some social-engineering activity directed at Korean-speaking targets or operators’ interest in that user population. Attribution to a specific nation-state or formally tracked intrusion set is not currently available.
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Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
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Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
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