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Russian APT BlueDelta Uses HOOKEDGE to Target Defense and Diplomatic Organizations
Russian GRU-linked BlueDelta (APT28) deployed HOOKEDGE backdoor via macro Word lures against European governments using webhook.site and Microsoft Edge for stealthy C2.
Recorded Future's Insikt Group documented a BlueDelta (APT28/Fancy Bear/Forest Blizzard) espionage campaign from late September 2025 through early April 2026 targeting government and diplomatic organizations in Romania, Spain and Türkiye. The group delivered HOOKEDGE, a lightweight Windows batch-script backdoor, via macro-enabled Word documents with diplomatic lures, including one impersonating Spain's Ministry of the Presidency after a Spanish-Moldovan meeting. HOOKEDGE uses webhook.site as C2, a scheduled task every 30 minutes that downloads commands through Microsoft Edge, and canary pixels like docopened.jpg to track phishing funnel progress. A second tier with 5-minute check-ins served high-value victims, and beaconing intervals were stretched to 61 minutes to evade sandboxes; code overlap ties HOOKEDGE to BlueDelta's earlier HEADLACE backdoor.
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APT28-Linked HOOKEDGE Backdoor Targets European Government and Diplomatic Organizations
Recorded Future links new HOOKEDGE batch-script backdoor campaigns against Romanian, Spanish and Turkish government targets to Russia's APT28 (BlueDelta).
Recorded Future's Insikt Group identified campaigns deploying the previously undocumented HOOKEDGE backdoor against government and diplomatic organizations in Romania, Spain and Türkiye from late September 2025 to early April 2026. The lightweight Windows batch backdoor is delivered via macro-enabled Word documents and attributed with moderate confidence to APT28 (Fancy Bear, tracked as BlueDelta), described as the evolutionary successor to HEADLACE, using webhook.site for C2, payload staging and exfiltration. HOOKEDGE fetches .cmd payloads and returns output through headless Microsoft Edge HTTP requests, maintains a 30-minute scheduled task, and a second-stage implant gives high-value targets five-minute beaconing for interactive operator tasking.
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Hackers target Ukrainian agency managing assets seized from sanctioned Russians
Ukraine's ARMA asset agency reported a cyberattack amid selecting a manager for seized IDS Ukraine assets linked to sanctioned Russians.
Ukraine's Asset Recovery and Management Agency (ARMA), which manages assets seized from criminals and sanctioned individuals, said Tuesday it had been targeted by a cyberattack, with the SBU investigating. The attack coincided with preparations to select a manager for seized corporate rights in IDS Ukraine, a major beverage producer seized in late 2022 from Russian shareholders including sanctioned billionaire Mikhail Fridman. ARMA reported other suspected interference since spring, including unauthorized access to an internal database of agency officials, but did not attribute the attack or release technical details. In April, ARMA employees were targeted in a cyberespionage campaign attributed to Russia-linked APT28, which failed to penetrate internal systems.
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