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MITRE ATT&CK® Malware

S0493: GoldenSpy

GoldenSpy is a backdoor malware which has been packaged with legitimate tax preparation software. GoldenSpy was discovered targeting organizations in China, being delivered with the "Intelligent Tax" software suite which is produced by the Golden Tax Department of Aisino Credit Information Co. and required to pay local taxes.[1]

EnterpriseS0493MalwareObject v1.1Modified
Glexia's Take · Automated analysis

Security context for executives and security teams

Automation confidenceMedium

S0493: GoldenSpy describes [GoldenSpy](https://attack.mitre.org/software/S0493) is a backdoor malware which has been packaged with legitimate tax preparation software. [GoldenSpy](https://attack.mitre.org/software/S0493) was discovered targeting organizations in China, being delivered with the "Intelligent Tax" software suite which is produced by the Golden Tax Department of Aisino Credit Information Co. and required to pay local taxes.(Citation: Trustwave GoldenSpy June 2020)

Executive priority

S0493: GoldenSpy is an official MITRE ATT&CK software. Glexia treats it as defensive behavior context for prioritizing monitoring, control validation, and response planning without using the object by itself as an attribution claim.

Technical view

Security teams should validate S0493: GoldenSpy by reviewing the official ATT&CK relationships, mapped tactics (the mapped ATT&CK tactic context), supported platforms (Windows), and available local telemetry before making detection or mitigation decisions.

Likely telemetry

  • Official ATT&CK relationships and object metadata
  • Network, endpoint, and security-tool telemetry

Detection direction

  • Validate whether S0493: GoldenSpy appears in your detection coverage and tabletop scenarios.
  • Use the object to align executive risk language with SOC, incident response, and detection engineering work.
  • Do not treat ATT&CK relationship context as attribution without corroborating evidence.

Mitigation priorities

  • Map the object to existing controls and identify missing telemetry or response ownership.
  • Prioritize mitigations that reduce exposure on the listed platforms and tactics.
  • Review adjacent ATT&CK relationships before changing policy, detections, or reporting language.
Additional notes and limits

Baseline Glexia take generated from the official MITRE ATT&CK STIX object, source hash, tactics, platforms, and detection fields. It is safe to replace with a richer model-generated take for the same source hash later.

This baseline take is source-grounded and schema-validated, but it does not include environment-specific telemetry, incident evidence, or threat-intelligence corroboration.

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Official MITRE ATT&CK definition

GoldenSpy

GoldenSpy is a backdoor malware which has been packaged with legitimate tax preparation software. GoldenSpy was discovered targeting organizations in China, being delivered with the "Intelligent Tax" software suite which is produced by the Golden Tax Department of Aisino Credit Information Co. and required to pay local taxes.[1]

View the same entry on attack.mitre.org (MITRE-hosted reference; in-page links above use the Glexia ATT&CK library.)

Glexia analysis

How security teams should use this page

Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.

ATT&CK relationship table

Techniques used

This mirrors the MITRE pattern of making group, software, campaign, and technique relationships scannable. Relationship notes come from mirrored ATT&CK relationship text when available.

15 rows
DomainIDNameRelationship / procedure
EnterpriseT1543.003Windows ServiceSub-technique

GoldenSpy has established persistence by running in the background as an autostart service.[1]

EnterpriseT1082System Information Discovery

GoldenSpy has gathered operating system information.[1]

EnterpriseT1136.001Local AccountSub-technique

GoldenSpy can create new users on an infected system.[1]

EnterpriseT1571Non-Standard Port

GoldenSpy has used HTTP over ports 9005 and 9006 for network traffic, 9002 for C2 requests, 33666 as a WebSocket, and 8090 to download files.[1]

EnterpriseT1041Exfiltration Over C2 Channel

GoldenSpy has exfiltrated host environment information to an external C2 domain via port 9006.[1]

EnterpriseT1195.002Compromise Software Supply ChainSub-technique

GoldenSpy has been packaged with a legitimate tax preparation software.[1]

EnterpriseT1036.005Match Legitimate Resource Name or LocationSub-technique

GoldenSpy's setup file installs initial executables under the folder %WinDir%\System32\PluginManager.[1]

EnterpriseT1106Native API

GoldenSpy can execute remote commands in the Windows command shell using the WinExec() API.[1]

EnterpriseT1059.003Windows Command ShellSub-technique

GoldenSpy can execute remote commands via the command-line interface.[1]

EnterpriseT1083File and Directory Discovery

GoldenSpy has included a program "ExeProtector", which monitors for the existence of GoldenSpy on the infected system and redownloads if necessary.[1]

EnterpriseT1070.004File DeletionSub-technique

GoldenSpy's uninstaller can delete registry entries, files and folders, and finally itself once these tasks have been completed.CitationTrustwave GoldenSpy2 June 2020

EnterpriseT1071.001Web ProtocolsSub-technique

GoldenSpy has used the Ryeol HTTP Client to facilitate HTTP internet communication.[1]

EnterpriseT1105Ingress Tool Transfer

GoldenSpy constantly attempts to download and execute files from the remote C2, including GoldenSpy itself if not found on the system.[1]

EnterpriseT1497.003Time Based ChecksSub-technique

GoldenSpy's installer has delayed installation of GoldenSpy for two hours after it reaches a victim system.[1]

EnterpriseT1027.013Encrypted/Encoded FileSub-technique

GoldenSpy's uninstaller has base64-encoded its variables. CitationTrustwave GoldenSpy2 June 2020

Relationship explorer

All related ATT&CK context

Change history

Object version and sync metadata

The fields below describe the current mirrored snapshot. When Glexia retains multiple ATT&CK source imports, you can open the table to compare the same object across releases (hashes and MITRE timestamps). For MITRE’s own release notes and roadmap, see ATT&CK resources — Updates.

ATT&CK release
19.2
Object version
1.1
Created
Modified
Raw hash
109c4581ff7a4459...
Imported snapshots across ATT&CK releases(2)
ReleaseBundle importedObject versionModifiedStatusRaw hash
19.21.1Current bundle109c4581ff7a…
19.11.1Older bundle109c4581ff7a…
Raw source

Mirrored ATT&CK source object

The raw object is retained through the mirrored ATT&CK source bundle and object hash. The raw endpoint returns the exact object from the mirrored bundle when available.

Source references

External references and citations

MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.

  1. [1]
    Trustwave GoldenSpy June 2020

    Trustwave SpiderLabs. (2020, June 25). The Golden Tax Department and Emergence of GoldenSpy Malware. Retrieved July 23, 2020.

    Open source URL
  2. [2]
    mitre-attackS0493
    Open source URL
Source and licensing

Source: MITRE ATT&CK®. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. MITRE ATT&CK and ATT&CK are registered trademarks of The MITRE Corporation. Glexia is not affiliated with or endorsed by MITRE.