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MITRE ATT&CK® Malware

S0254: PLAINTEE

PLAINTEE is a malware sample that has been used by Rancor in targeted attacks in Singapore and Cambodia. [1]

EnterpriseS0254MalwareObject v1.1Modified
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Glexia's Take · Automated analysis

Security context for executives and security teams

Automation confidenceMedium

S0254: PLAINTEE describes [PLAINTEE](https://attack.mitre.org/software/S0254) is a malware sample that has been used by [Rancor](https://attack.mitre.org/groups/G0075) in targeted attacks in Singapore and Cambodia. (Citation: Rancor Unit42 June 2018)

Executive priority

S0254: PLAINTEE 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 S0254: PLAINTEE 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 S0254: PLAINTEE 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

PLAINTEE

PLAINTEE is a malware sample that has been used by Rancor in targeted attacks in Singapore and Cambodia. [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.

9 rows
DomainIDNameRelationship / procedure
EnterpriseT1082System Information Discovery

PLAINTEE collects general system enumeration data about the infected machine and checks the OS version.[1]

EnterpriseT1112Modify Registry

PLAINTEE uses reg add to add a Registry Run key for persistence.[1]

EnterpriseT1016System Network Configuration Discovery

PLAINTEE uses the ipconfig /all command to gather the victim’s IP address.[1]

EnterpriseT1548.002Bypass User Account ControlSub-technique

An older variant of PLAINTEE performs UAC bypass.[1]

EnterpriseT1057Process Discovery

PLAINTEE performs the tasklist command to list running processes.[1]

EnterpriseT1547.001Registry Run Keys / Startup FolderSub-technique

PLAINTEE gains persistence by adding the Registry key HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce.[1]

EnterpriseT1573.001Symmetric CryptographySub-technique

PLAINTEE encodes C2 beacons using XOR.[1]

EnterpriseT1059.003Windows Command ShellSub-technique

PLAINTEE uses cmd.exe to execute commands on the victim’s machine.[1]

EnterpriseT1105Ingress Tool Transfer

PLAINTEE has downloaded and executed additional plugins.[1]

Associated objects

Groups, software, and campaigns

GroupEnterprise

G0075: Rancor

Rancor is a threat group that has led targeted campaigns against the South East Asia region. Rancor uses politically-motivated lures to entice victims to open malicious documents. [1]

Relationship explorer

All related ATT&CK context

uses · GroupG0075: RancorEnterpriseuses · TechniqueT1082: System Information DiscoveryEnterpriseuses · TechniqueT1112: Modify RegistryEnterpriseuses · TechniqueT1016: System Network Configuration DiscoveryEnterpriseuses · TechniqueT1548.002: Bypass User Account ControlEnterpriseuses · TechniqueT1057: Process DiscoveryEnterpriseuses · TechniqueT1547.001: Registry Run Keys / Startup FolderEnterpriseuses · TechniqueT1573.001: Symmetric CryptographyEnterpriseuses · TechniqueT1059.003: Windows Command ShellEnterpriseuses · TechniqueT1105: Ingress Tool TransferEnterprise
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
f60c536c6cb9e670...
Imported snapshots across ATT&CK releases(2)
ReleaseBundle importedObject versionModifiedStatusRaw hash
19.21.1Current bundlef60c536c6cb9…
19.11.1Older bundlef60c536c6cb9…
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 JSONOpen 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]
    Rancor Unit42 June 2018

    Ash, B., et al. (2018, June 26). RANCOR: Targeted Attacks in South East Asia Using PLAINTEE and DDKONG Malware Families. Retrieved July 2, 2018.

    Open source URL
  2. [2]
    PLAINTEE

    (Citation: Rancor Unit42 June 2018)

  3. [3]
    mitre-attackS0254
    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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