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MITRE ATT&CK® Group

G0022: APT3

APT3 is a China-based threat group that researchers have attributed to China's Ministry of State Security.[1][2] This group is responsible for the campaigns known as Operation Clandestine Fox, Operation Clandestine Wolf, and Operation Double Tap.[1][3] As of June 2015, the group appears to have shifted from targeting primarily US victims to primarily political organizations in Hong Kong.[4]

EnterpriseG0022GroupObject v1.4 Modified
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Glexia's Take

Analyst context for executives and security teams

Analyst confidence Medium

APT3 is an ATT&CK intrusion set with multiple aliases and public reporting tying it to campaigns such as Operation Clandestine Fox, Clandestine Wolf, and Double Tap. For leaders, the value of this object is not the name alone: the related ATT&CK context points to a Windows-heavy intrusion pattern involving remote access tooling, credential theft, discovery, lateral movement, scheduled execution, and possible data exfiltration over command-and-control channels. That makes it useful for validating whether core enterprise controls can withstand a capable espionage-style operator rather than only commodity malware.

Executive priority

Use APT3 as a control-readiness and incident-planning scenario: can the organization detect credential access against LSASS, use of RDP/SMB for lateral movement, scheduled task persistence, PowerShell or cmd execution, internal discovery, and outbound exfiltration-like traffic? The external reporting also references historical Flash zero-day/CVE-focused activity, so vulnerability leaders should ensure legacy client-side software exposure and emergency patch processes are measurable. For compliance and board reporting, this group is a good test case for proving endpoint, identity, network, and IR evidence is retained and usable during an investigation.

Technical view

ATT&CK does not provide a group-level detection statement or explicit group platforms, but the relationships are strongly oriented around Windows behaviors and tools: PlugX, SHOTPUT, schtasks, OSInfo, RemoteCMD, LaZagne, LSASS memory access, RDP, SMB/admin shares, scheduled tasks, PowerShell, and Windows command shell. SOC and IR teams should validate detections across the behavior chain: execution through command interpreters, suspicious scheduled task creation or modification, credential access indicators involving LSASS or password recovery tooling, discovery commands for users/processes/network configuration/remote systems, lateral movement over RDP and SMB, and outbound traffic consistent with C2-based exfiltration. Treat aliases such as Gothic Panda, Pirpi, UPS Team, Buckeye, TG-0110, and Threat Group-0110 as intelligence correlation terms, not standalone detection logic.

Likely telemetry

  • Endpoint process creation with command-line arguments, parent/child process context, and script execution details
  • PowerShell logging where available, including script block/module activity and encoded or obfuscated command patterns
  • Windows scheduled task creation, modification, execution, and schtasks.exe usage
  • Windows authentication and logon telemetry for RDP, SMB, administrative shares, and lateral movement paths
  • LSASS access events, credential dumping prevention/alert telemetry, and memory access indicators

Detection direction

  • Prioritize behavior-based analytics over name matching because the group has many aliases and related tools include both custom and publicly available software.
  • Correlate discovery followed by credential access and RDP/SMB activity; each event alone may resemble administration, but the sequence is higher value for detection engineering.
  • Tune scheduled task detections for unusual creators, paths, command interpreters, remote creation, and tasks running from user-writable or unexpected locations.
  • Validate PowerShell and cmd visibility; missing command-line and script telemetry is a major blind spot for the related execution techniques.
  • Review false positives from legitimate administration tools such as schtasks, RDP, SMB, and remote command execution; detections should include user, host role, time, source, and change-ticket context where possible.

Mitigation priorities

  • Reduce credential exposure first: enforce least privilege, protect administrative accounts, restrict credential reuse, and harden systems against LSASS credential theft.
  • Constrain lateral movement paths by limiting RDP and SMB/admin share access to approved administrators, management hosts, and documented business needs.
  • Harden execution surfaces by controlling PowerShell and command-shell abuse, monitoring script execution, and restricting untrusted binaries where feasible.
  • Govern scheduled tasks as a persistence and execution surface: baseline known tasks, alert on unusual creation or modification, and review remote task creation permissions.
  • Maintain endpoint and network visibility sufficient for IR reconstruction, including process, authentication, scheduled task, and egress logs with adequate retention.
Analyst notes and limits

The supplied ATT&CK object identifies APT3 as a China-based group that researchers have attributed to China’s Ministry of State Security and lists historical campaigns and aliases. The most actionable defensive context comes from the relationships to software and techniques, especially Windows-oriented tooling and behaviors. This take intentionally treats APT3 as a defensive emulation and readiness scenario rather than asserting current activity or exposure.

No official detection text, group-level tactics, or group-level platforms were supplied. Platform and tactic guidance is inferred only from related ATT&CK techniques and software, not from explicit APT3 object fields. Local telemetry, asset inventory, identity architecture, and approved administrative practices are required to decide what is suspicious in a specific environment.

Official MITRE ATT&CK definition

APT3

APT3 is a China-based threat group that researchers have attributed to China's Ministry of State Security.[1][2] This group is responsible for the campaigns known as Operation Clandestine Fox, Operation Clandestine Wolf, and Operation Double Tap.[1][3] As of June 2015, the group appears to have shifted from targeting primarily US victims to primarily political organizations in Hong Kong.[4]

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.

44 rows
Domain ID Name Relationship / procedure
Enterprise T1053.005 Scheduled Task Sub-technique

An APT3 downloader creates persistence by creating the following scheduled task: schtasks /create /tn "mysc" /tr C:\Users\Public\test.exe /sc ONLOGON /ru "System".CitationFireEye Operation Double Tap
Enterprise T1104 Multi-Stage Channels

An APT3 downloader first establishes a SOCKS5 connection to 192.157.198[.]103 using TCP port 1913; once the server response is verified, it then requests a connection to 192.184.60[.]229 on TCP port 81.CitationFireEye Operation Double Tap
Enterprise T1110.002 Password Cracking Sub-technique

APT3 has been known to brute force password hashes to be able to leverage plain text credentials.CitationAPT3 Adversary Emulation Plan
Enterprise T1564.003 Hidden Window Sub-technique

APT3 has been known to use -WindowStyle Hidden to conceal PowerShell windows.CitationFireEye Operation Double Tap
Enterprise T1555.003 Credentials from Web Browsers Sub-technique

APT3 has used tools to dump passwords from browsers.CitationSymantec Buckeye
Enterprise T1059.003 Windows Command Shell Sub-technique

An APT3 downloader uses the Windows command "cmd.exe" /C whoami. The group also uses a tool to execute commands on remote computers.CitationFireEye Operation Double TapCitationSymantec Buckeye
Enterprise T1016 System Network Configuration Discovery

A keylogging tool used by APT3 gathers network information from the victim, including the MAC address, IP address, WINS, DHCP server, and gateway.CitationSymantec BuckeyeCitationevolution of pirpi
Enterprise T1049 System Network Connections Discovery

APT3 has a tool that can enumerate current network connections.CitationSymantec BuckeyeCitationFireEye Clandestine FoxCitationevolution of pirpi
Enterprise T1090.002 External Proxy Sub-technique

An APT3 downloader establishes SOCKS5 connections for its initial C2.CitationFireEye Operation Double Tap
Enterprise T1218.011 Rundll32 Sub-technique

APT3 has a tool that can run DLLs.CitationFireEye Clandestine Fox
Enterprise T1027 Obfuscated Files or Information

APT3 obfuscates files or information to help evade defensive measures.CitationSymantec Buckeye
Enterprise T1566.002 Spearphishing Link Sub-technique

APT3 has sent spearphishing emails containing malicious links.CitationFireEye Clandestine Wolf
Enterprise T1098.007 Additional Local or Domain Groups Sub-technique

APT3 has been known to add created accounts to local admin groups to maintain elevated access.Citationaptsim
Enterprise T1204.001 Malicious Link Sub-technique

APT3 has lured victims into clicking malicious links delivered through spearphishing.CitationFireEye Clandestine Wolf
Enterprise T1041 Exfiltration Over C2 Channel

APT3 has a tool that exfiltrates data over the C2 channel.CitationFireEye Clandestine Fox
Enterprise T1552.001 Credentials In Files Sub-technique

APT3 has a tool that can locate credentials in files on the file system such as those from Firefox or Chrome.CitationSymantec Buckeye
Enterprise T1074.001 Local Data Staging Sub-technique

APT3 has been known to stage files for exfiltration in a single location.Citationaptsim
Enterprise T1078.002 Domain Accounts Sub-technique

APT3 leverages valid accounts after gaining credentials for use within the victim domain.CitationSymantec Buckeye
Enterprise T1005 Data from Local System

APT3 will identify Microsoft Office documents on the victim's computer.Citationaptsim
Enterprise T1203 Exploitation for Client Execution

APT3 has exploited the Adobe Flash Player vulnerability CVE-2015-3113 and Internet Explorer vulnerability CVE-2014-1776.CitationFireEye Clandestine WolfCitationFireEye Clandestine Fox
Enterprise T1021.002 SMB/Windows Admin Shares Sub-technique

APT3 will copy files over to Windows Admin Shares (like ADMIN$) as part of lateral movement.CitationSymantec Buckeye
Enterprise T1574.001 DLL Sub-technique

APT3 has been known to side load DLLs with a valid version of Chrome with one of their tools.CitationFireEye Clandestine FoxCitationFireEye Clandestine Fox Part 2
Enterprise T1087.001 Local Account Sub-technique

APT3 has used a tool that can obtain info about local and global group users, power users, and administrators.CitationSymantec Buckeye
Enterprise T1070.004 File Deletion Sub-technique

APT3 has a tool that can delete files.CitationFireEye Clandestine Fox
Enterprise T1083 File and Directory Discovery

APT3 has a tool that looks for files and directories on the local file system.CitationFireEye Clandestine FoxCitationevolution of pirpi
Enterprise T1546.008 Accessibility Features Sub-technique

APT3 replaces the Sticky Keys binary C:\Windows\System32\sethc.exe for persistence.Citationaptsim
Enterprise T1560.001 Archive via Utility Sub-technique

APT3 has used tools to compress data before exfilling it.Citationaptsim
Enterprise T1082 System Information Discovery

APT3 has a tool that can obtain information about the local system.CitationSymantec BuckeyeCitationevolution of pirpi
Enterprise T1059.001 PowerShell Sub-technique

APT3 has used PowerShell on victim systems to download and run payloads after exploitation.CitationFireEye Operation Double Tap
Enterprise T1543.003 Windows Service Sub-technique

APT3 has a tool that creates a new service for persistence.CitationFireEye Operation Double Tap
Enterprise T1003.001 LSASS Memory Sub-technique

APT3 has used a tool to dump credentials by injecting itself into lsass.exe and triggering with the argument "dig."CitationSymantec Buckeye
Enterprise T1547.001 Registry Run Keys / Startup Folder Sub-technique

APT3 places scripts in the startup folder for persistence.CitationFireEye Operation Double Tap
Enterprise T1021.001 Remote Desktop Protocol Sub-technique

APT3 enables the Remote Desktop Protocol for persistence.Citationaptsim APT3 has also interacted with compromised systems to browse and copy files through RDP sessions.CitationTwitter Cglyer Status Update APT3 eml
Enterprise T1057 Process Discovery

APT3 has a tool that can list out currently running processes.CitationFireEye Clandestine FoxCitationevolution of pirpi
Enterprise T1095 Non-Application Layer Protocol

An APT3 downloader establishes SOCKS5 connections for its initial C2.CitationFireEye Operation Double Tap
Enterprise T1069 Permission Groups Discovery

APT3 has a tool that can enumerate the permissions associated with Windows groups.CitationSymantec Buckeye
Enterprise T1018 Remote System Discovery

APT3 has a tool that can detect the existence of remote systems.CitationSymantec BuckeyeCitationFireEye Clandestine Fox
Enterprise T1056.001 Keylogging Sub-technique

APT3 has used a keylogging tool that records keystrokes in encrypted files.CitationSymantec Buckeye
Enterprise T1036.010 Masquerade Account Name Sub-technique

APT3 has been known to create or enable accounts, such as support_388945a0.Citationaptsim
Enterprise T1027.002 Software Packing Sub-technique

APT3 has been known to pack their tools.CitationAPT3 Adversary Emulation PlanCitationFireEye Clandestine Wolf
Enterprise T1136.001 Local Account Sub-technique

APT3 has been known to create or enable accounts, such as support_388945a0.Citationaptsim
Enterprise T1105 Ingress Tool Transfer

APT3 has a tool that can copy files to remote machines.CitationFireEye Clandestine Fox
Enterprise T1033 System Owner/User Discovery

An APT3 downloader uses the Windows command "cmd.exe" /C whoami to verify that it is running with the elevated privileges of “System.”CitationFireEye Operation Double Tap
Enterprise T1027.005 Indicator Removal from Tools Sub-technique

APT3 has been known to remove indicators of compromise from tools.CitationAPT3 Adversary Emulation Plan
Associated objects

Groups, software, and campaigns

Tool Enterprise

S0111: schtasks

schtasks is used to schedule execution of programs or scripts on a Windows system to run at a specific date and time. [1]

Windows
Tool Enterprise

S0349: LaZagne

LaZagne is a post-exploitation, open-source tool used to recover stored passwords on a system. It has modules for Windows, Linux, and OSX, but is mainly focused on Windows systems. LaZagne is publicly available on GitHub.[1]

LinuxmacOSWindows
Relationship explorer

All related ATT&CK context

uses · Technique T1053.005: Scheduled Task Enterprise uses · Technique T1104: Multi-Stage Channels Enterprise uses · Technique T1110.002: Password Cracking Enterprise uses · Malware S0165: OSInfo Enterprise uses · Technique T1564.003: Hidden Window Enterprise uses · Tool S0111: schtasks Enterprise uses · Malware S0013: PlugX Enterprise uses · Technique T1555.003: Credentials from Web Browsers Enterprise uses · Technique T1059.003: Windows Command Shell Enterprise uses · Technique T1016: System Network Configuration Discovery Enterprise uses · Technique T1049: System Network Connections Discovery Enterprise uses · Technique T1090.002: External Proxy Enterprise uses · Technique T1218.011: Rundll32 Enterprise uses · Technique T1027: Obfuscated Files or Information Enterprise uses · Technique T1566.002: Spearphishing Link Enterprise uses · Tool S0349: LaZagne Enterprise uses · Technique T1098.007: Additional Local or Domain Groups Enterprise uses · Technique T1204.001: Malicious Link Enterprise uses · Technique T1041: Exfiltration Over C2 Channel Enterprise uses · Technique T1552.001: Credentials In Files Enterprise uses · Technique T1074.001: Local Data Staging Enterprise uses · Technique T1078.002: Domain Accounts Enterprise uses · Technique T1005: Data from Local System Enterprise uses · Technique T1203: Exploitation for Client Execution Enterprise
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
19.1
Object version
1.4
Created
Modified
Raw hash
ec7ee360150a2df1...
Imported snapshots across ATT&CK releases (1)
Release Bundle imported Object version Modified Status Raw hash
19.1 1.4 Current bundle ec7ee360150a…
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.

Open mirrored raw JSON Open MITRE-hosted copy
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]
    FireEye Clandestine Wolf

    Eng, E., Caselden, D.. (2015, June 23). Operation Clandestine Wolf – Adobe Flash Zero-Day in APT3 Phishing Campaign. Retrieved January 14, 2016.

    Open source URL
  2. [2]
    Recorded Future APT3 May 2017

    Insikt Group (Recorded Future). (2017, May 17). Recorded Future Research Concludes Chinese Ministry of State Security Behind APT3. Retrieved September 16, 2024.

    Open source URL
  3. [3]
    FireEye Operation Double Tap

    Moran, N., et al. (2014, November 21). Operation Double Tap. Retrieved January 14, 2016.

    Open source URL
  4. [4]
    Symantec Buckeye

    Symantec Security Response. (2016, September 6). Buckeye cyberespionage group shifts gaze from US to Hong Kong. Retrieved September 26, 2016.

    Open source URL
  5. [5]
    APT3

    (Citation: FireEye Clandestine Wolf) (Citation: Recorded Future APT3 May 2017) (Citation: Symantec Buckeye)

  6. [6]
    Buckeye

    (Citation: Symantec Buckeye)

  7. [7]
    Gothic Panda

    (Citation: PWC Pirpi Scanbox) (Citation: Recorded Future APT3 May 2017) (Citation: Symantec Buckeye)

  8. [8]
    PWC Pirpi Scanbox

    Lancaster, T. (2015, July 25). A tale of Pirpi, Scanbox & CVE-2015-3113. Retrieved March 30, 2016.

    Open source URL
  9. [9]
    Pirpi

    (Citation: PWC Pirpi Scanbox)

  10. [10]
    TG-0110

    (Citation: Recorded Future APT3 May 2017) (Citation: Symantec Buckeye)

  11. [11]
    Threat Group-0110

    (Citation: Recorded Future APT3 May 2017) (Citation: Symantec Buckeye)

  12. [12]
    UPS Team

    (Citation: FireEye Clandestine Wolf) (Citation: Recorded Future APT3 May 2017) (Citation: Symantec Buckeye)

  13. [13]
    mitre-attack G0022
    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.

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