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MITRE ATT&CK® Group

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]

EnterpriseG0075GroupObject v1.3Modified
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Glexia's Take · Automated analysis

Security context for executives and security teams

Automation confidenceMedium

G0075: Rancor describes [Rancor](https://attack.mitre.org/groups/G0075) is a threat group that has led targeted campaigns against the South East Asia region. [Rancor](https://attack.mitre.org/groups/G0075) uses politically-motivated lures to entice victims to open malicious documents. (Citation: Rancor Unit42 June 2018)

Executive priority

G0075: Rancor is an official MITRE ATT&CK group. 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 G0075: Rancor by reviewing the official ATT&CK relationships, mapped tactics (the mapped ATT&CK tactic context), supported platforms (the platforms named in the official object), and available local telemetry before making detection or mitigation decisions.

Likely telemetry

  • Official ATT&CK relationships and object metadata

Detection direction

  • Validate whether G0075: Rancor 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

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]

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
EnterpriseT1071.001Web ProtocolsSub-technique

Rancor has used HTTP for C2.[1]

EnterpriseT1059.005Visual BasicSub-technique

Rancor has used VBS scripts as well as embedded macros for execution.[1]

EnterpriseT1204.002Malicious FileSub-technique

Rancor attempted to get users to click on an embedded macro within a Microsoft Office Excel document to launch their malware.[1]

EnterpriseT1053.005Scheduled TaskSub-technique

Rancor launched a scheduled task to gain persistence using the schtasks /create /sc command.[1]

EnterpriseT1105Ingress Tool Transfer

Rancor has downloaded additional malware, including by using certutil.[1]

EnterpriseT1218.007MsiexecSub-technique

Rancor has used msiexec to download and execute malicious installer files over HTTP.[1]

EnterpriseT1546.003Windows Management Instrumentation Event SubscriptionSub-technique

Rancor has complied VBScript-generated MOF files into WMI event subscriptions for persistence.CitationRancor WMI

EnterpriseT1059.003Windows Command ShellSub-technique

Rancor has used cmd.exe to execute commmands.[1]

EnterpriseT1566.001Spearphishing AttachmentSub-technique

Rancor has attached a malicious document to an email to gain initial access.[1]

Associated objects

Groups, software, and campaigns

ToolEnterprise

S0075: Reg

Reg is a Windows utility used to interact with the Windows Registry. It can be used at the command-line interface to query, add, modify, and remove information. [1]

Utilities such as Reg are known to be used by persistent threats. [2]

Windows
ToolEnterprise

S0160: certutil

certutil is a command-line utility that can be used to obtain certificate authority information and configure Certificate Services. [1]

Windows
Relationship explorer

All related ATT&CK context

uses · TechniqueT1071.001: Web ProtocolsEnterpriseuses · TechniqueT1059.005: Visual BasicEnterpriseuses · ToolS0075: RegEnterpriseuses · TechniqueT1204.002: Malicious FileEnterpriseuses · MalwareS0255: DDKONGEnterpriseuses · MalwareS0254: PLAINTEEEnterpriseuses · TechniqueT1053.005: Scheduled TaskEnterpriseuses · TechniqueT1105: Ingress Tool TransferEnterpriseuses · ToolS0160: certutilEnterpriseuses · TechniqueT1218.007: MsiexecEnterpriseuses · TechniqueT1546.003: Windows Management Instrumentation Event SubscriptionEnterpriseuses · TechniqueT1059.003: Windows Command ShellEnterpriseuses · TechniqueT1566.001: Spearphishing AttachmentEnterprise
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
20.0
Object version
1.3
Created
Modified
Raw hash
e091cea0e853f4f9...
Imported snapshots across ATT&CK releases(3)
ReleaseBundle importedObject versionModifiedStatusRaw hash
20.01.3Current bundlee091cea0e853…
19.21.3Older bundlee091cea0e853…
19.11.3Older bundlec339a4b192ac…
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]
    Rancor

    (Citation: Rancor Unit42 June 2018)

  3. [3]
    mitre-attackG0075
    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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