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Threat Actor

Aoqin Dragon

aoqin_dragon · china · active since 2013

Aoqin Dragon (Mongall / G1029) is a suspected-China-aligned cyber- espionage cluster active since 2013 and publicly consolidated under the Aoqin Dragon name by SentinelOne SentinelLabs in a seminal June 2022 disclosure, notable for an unusually long decade-long pre-disclosure operational lifespan, responsible for sustained operations against Australian, Cambodian, Hong Kong, Singaporean, Vietnamese, Thai, Philippine, Laotian, Burmese, and Malaysian government, education, telecommunications, religious- organization (Falun Gong, Tibetan-diaspora), and Chinese-diaspora dissident targets, defined operationally by the signature Mongall and Heyoka backdoor toolkit, by the distinctive USB-worm propagation tradecraft (comparatively unusual among modern publicly-tracked clusters and particularly effective against Southeast Asian government environments where air-gapped networks and USB-media sharing remain common workflows), and by early adoption of DNS-over-HTTPS C2 channels for stealth network egress.

china confidence: medium 9 aliases MITRE ATT&CK G1007 ↗

Profile

Aoqin Dragon (also tracked under tooling-derived naming as Mongall, and MITRE ATT&CK G1029) is a suspected-China-aligned cyber- espionage cluster active since at least 2013, publicly consolidated under the Aoqin Dragon name by SentinelOne SentinelLabs in a seminal June 9, 2022 disclosure titled "Aoqin Dragon, Newly- Discovered Chinese-Linked APT Has Been Quietly Spying on Organizations for 10 Years." The cluster's defining characteristic in the disclosure framing is its unusually long pre-disclosure operational lifespan: approximately a decade of sustained operations against Southeast Asian and Australian government, education, telecommunications, religious-organization, and dissident-community targets before the cluster was publicly characterized as a unified operational unit. Few publicly-tracked APT clusters have a decade-plus undisclosed operational lifespan followed by a comprehensive consolidating disclosure, making Aoqin Dragon a notable case study in the lag between operational activity and public attribution. No formal government attribution has been issued by any state.

the China-aligned framing rests on SentinelOne's analysis of victimology, language artifacts, and operational hours, and should be treated as suspected rather than formally confirmed. Targeting focus is overwhelmingly directed at Southeast Asian and Australian government, educational, telecommunications, religious-organization, and dissident-community entities, Australia, Cambodia, Hong Kong, Singapore, Vietnam, Thailand, Philippines, Laos, Myanmar, Malaysia, plus mainland Chinese dissident and diaspora targets. The victim profile is consistent with PRC strategic interest in Mekong-region political dynamics, Vietnamese government posture toward China-Vietnam bilateral relations, South China Sea disputes, Cambodian political developments, and dissident-community surveillance. A defining cluster tradecraft signature is sustained use of USB-worm propagation as a primary lateral-movement and air-gap- traversal mechanism. The Heyoka USB worm component (named after the Heyoka backdoor that it propagates, and distinct from the Heyoka Backdoor used by the unrelated Cloud Atlas cluster, the naming overlap is coincidental) searches for connected removable media, copies itself to discovered drives with deceptive LNK shortcut files, and uses Windows autorun and shortcut-execution tradecraft to execute on insertion into subsequent host systems. USB-worm tradecraft is comparatively unusual among modern publicly-tracked clusters, more common in 2008-2015-era operations, and is one of the strongest cluster-attribution signals for Aoqin Dragon. The tradecraft is particularly effective against Southeast Asian government environments where air-gapped or partially-isolated networks remain common and where USB-media sharing remains a routine workflow. Operationally the cluster's toolkit centers on the Mongall and Heyoka backdoors (both bespoke Windows implants providing command execution, file collection, and exfiltration capability), with USB-worm propagation as the lateral-movement signature. A secondary tradecraft signature is sustained use of DNS-over-HTTPS (DoH) command-and-control channels, Aoqin Dragon was an early adopter of DoH C2 among publicly-tracked clusters, providing plausible egress traffic and complicating network-detection against traditional DNS-monitoring controls. Initial access patterns are predominantly spear-phishing with weaponized Office documents (CVE-2012-0158, CVE-2014-4114 / Sandworm, CVE-2017-11882, CVE-2018-0802) and AutoCAD-themed lures targeting engineering and government environments where AutoCAD is in routine use. Lure documents have included Falun- Gong-themed PDFs alongside Vietnamese, Cambodian, and English- language government-themed documents. A handful of operational notes: First, the "Heyoka" naming overlap between Aoqin Dragon's Heyoka USB worm and Cloud Atlas's separately-tracked Heyoka Backdoor (already covered as cloud_atlas.yaml) is coincidental and does not indicate operational adjacency. The two clusters operate different toolkits and target different regions. Second, post-2022-disclosure operational visibility has been comparatively limited. The cluster's operators are widely assessed to remain active but may operate under different vendor naming in 2023-2025 reporting. The cluster's enduring importance rests substantially on its decade-long pre-disclosure operational lifespan and on the distinctive USB-worm tradecraft. Third, attribution to China specifically, though dominant in vendor reporting, has not been confirmed by formal state attribution. Treat the China-aligned framing as suspected.

Aliases

9
aoqin dragonaoqin_dragonaoqindragonmongallmongall aptmongall_aptheyoka usb clusterheyoka_usb_clusterg1029

Notable Campaigns

8
2024-2025Continued Operations (2024-2025)
2022-2024Post-Disclosure Continued Operations (2022-2024)
2022SentinelOne SentinelLabs: Aoqin Dragon, Newly-Discovered Chinese-Linked APT (June 9, 2022)
2020-2024DNS-over-HTTPS C2 Tradecraft (2020-2024)
2018-2022Vietnamese and Cambodian Government Targeting (2018-2022)
2015-2022Religious-Organization and Dissident-Community Targeting (2015-2022)
2013-2022Pre-Disclosure Sustained Activity (2013-2022)
2013-2022USB-Worm Propagation Tradecraft Signature (2013-2022)

Attribution & Reporting

Attributed by
SentinelOne (SentinelLabs)Trend MicroESETKasperskyMandiantCisco TalosCluster25CyfirmaRecorded Future Insikt GroupGroup-IB360 Threat Intelligence CenterSymantec
Key reporting
reportSentinelOne SentinelLabs: Aoqin Dragon, Newly-Discovered Chinese-Linked APT Has Been Quietly Spying on Organizations for 10 Years (June 9, 2022), seminal cluster disclosure
reportCyfirma: Aoqin Dragon APT Strikes Asia Pacific (2022-2023)
reportCluster25: Aoqin Dragon China Cluster Tracking
reportTrend Micro: Adjacent Southeast Asia China-Aligned Cluster Tracking (multiple)
reportRecorded Future Insikt Group: Aoqin Dragon Adjacent Tracking
reportSekoia: Aoqin Dragon Southeast Asia Tracking (2022-2024)
reportMalpedia Actor Profile: Aoqin Dragon
reportMITRE ATT&CK Group G1029, Aoqin Dragon

Operational

State sponsor

Suspected China-aligned advanced persistent threat group. SentinelOne's June 2022 seminal disclosure ("Aoqin Dragon, Newly-Discovered Chinese-Linked APT") characterized the cluster as China-aligned based on victimology (Southeast Asian and Australian government, education, and telecommunications targets of Chinese strategic interest), language artifacts in implant code and lure documents, and operational hours consistent with mainland China time zones. No formal government attribution has been issued by any state. Vendor research consensus on China-aligned attribution rests on SentinelOne's seminal disclosure and on partial corroboration from subsequent reporting.

the cluster has not received the sustained multi-vendor attention given to higher-profile China- aligned clusters, and post-disclosure operational visibility has been limited. The "China-aligned suspected" framing reflects the dominant vendor assessment but should be treated as suspected rather than formally confirmed.

Motivations
espionage, intelligence_gathering, geopolitical_collection, dissident_surveillance, educational_institution_collection
Sectors
Regions

Detection Blind Spots

60 techniques
Across this actor’s 60 mapped techniques, the share covered by each detection layer. Low bars are where you’d be blind if this actor targeted you.
Behavioral / log (Sigma)55/60 · 91%
Analytics (MITRE CAR)26/60 · 43%
Runtime / container (Falco)5/60 · 8%
File / malware (YARA)0/60 · 0%
Network (Suricata/Snort)14/60 · 23%
Vuln scan (Nuclei)0/60 · 0%

Atomic Test Plan

30 techniques
Runnable Atomic Red Team tests covering this actor’s mapped techniques - validate your detections against this specific adversary. Cross-reference the blind spots above. For authorized lab / purple-team use. Open the full builder

Tools Used

3 mapped
Other tooling / TTPs (curation, not ATT&CK-mapped):
MONGALL BACKDOORMSHTA
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
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NIST 800-53
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