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Operation Dragon Whistle: UNG002 Targets Chinese Academia via Weaponized Institutional Lure

ID: cb665bba-ece8-54fb-9092-50bb58c9a692

STIX ID: report--cb665bba-ece8-54fb-9092-50bb58c9a692

Feed Name: Seqrite Blog

Threat Score
86/100

Date Published: 2026-05-20

Date Updated: 2026-05-20

Author: Dixit Panchal

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Seqrite Labs describes a targeted spear-phishing campaign (Operation Dragon Whistle) aimed at Changzhou University using a culturally tailored lure about mandatory fitness testing. The attack chain uses a deceptive LNK to launch a lightweight VBScript that opens a decoy PDF while silently executing Bandizip.exe from a hidden folder, DLL side-loading (ark.x64.dll) with anti-analysis and AMSI/ETW bypasses, and an in-memory Cobalt Strike Beacon for C2 to 60.205.186.162 (Alibaba Cloud). The report provides file hashes, C2 information, MITRE mappings, and attributes the campaign to UNG002 with medium-high confidence.

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