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MITRE ATT&CK® Malware

S1216: TriangleDB

TriangleDB is an Objective-C written implant deployed after Binary Validator and after root privileges are obtained during Operation Triangulation’s infection chain. Upon execution, TriangleDB communicates with the C2 server, relaying information about the victim device.[1]

MobileS1216MalwareObject v1.0Modified
Glexia's Take · Automated analysis

Security context for executives and security teams

Automation confidenceMedium

S1216: TriangleDB describes [TriangleDB](https://attack.mitre.org/software/S1216) is an Objective-C written implant deployed after [Binary Validator](https://attack.mitre.org/software/S1215) and after root privileges are obtained during [Operation Triangulation](https://attack.mitre.org/campaigns/C0054)’s infection chain. Upon execution, [TriangleDB](https://attack.mitre.org/software/S1216) communicates with the C2 server, relaying information about the victim device.(Citation: SecureList OpTriangulation 21Jun2023)

Executive priority

S1216: TriangleDB 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 S1216: TriangleDB by reviewing the official ATT&CK relationships, mapped tactics (the mapped ATT&CK tactic context), supported platforms (iOS), and available local telemetry before making detection or mitigation decisions.

Likely telemetry

  • Official ATT&CK relationships and object metadata

Detection direction

  • Validate whether S1216: TriangleDB 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

TriangleDB

TriangleDB is an Objective-C written implant deployed after Binary Validator and after root privileges are obtained during Operation Triangulation’s infection chain. Upon execution, TriangleDB communicates with the C2 server, relaying information about the victim device.[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.

12 rows
DomainIDNameRelationship / procedure
MobileT1544Ingress Tool Transfer

TriangleDB has loaded additional modules stored in memory.[1]

MobileT1521.001Symmetric CryptographySub-technique

TriangleDB has encrypted data using 3DES.[1]

MobileT1644Out of Band Data

TriangleDB has used the Protobuf library for command and control communication.[1]

MobileT1634.001KeychainSub-technique

TriangleDB has extracted the device’s keychain.[1]

MobileT1630.002File DeletionSub-technique

TriangleDB has deleted an implant module or specified files.[1]

MobileT1418Software Discovery

TriangleDB has obtained a list of installed applications.[1]

MobileT1430Location Tracking

TriangleDB has monitored the device’s geolocation, which includes coordinates, altitude, bearing and speed.[1]

MobileT1424Process Discovery

TriangleDB has collected a list of running processes.[1]

MobileT1420File and Directory Discovery

TriangleDB has obtained a list of files using the `fts` API and has obtained files that match a specified regular expression.[1]

MobileT1521.002Asymmetric CryptographySub-technique

TriangleDB has encrypted data using RSA.[1]

MobileT1422System Network Configuration Discovery

TriangleDB has collected and sent information on the device’s IMEI, MEID, serial number and other device information.[1]

MobileT1533Data from Local System

TriangleDB has collected and exfiltrated files.[1]

Associated objects

Groups, software, and campaigns

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
1.0
Created
Modified
Raw hash
d9d21b41cef539fd...
Imported snapshots across ATT&CK releases(2)
ReleaseBundle importedObject versionModifiedStatusRaw hash
19.21.0Current bundled9d21b41cef5…
19.11.0Older bundled9d21b41cef5…
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]
    SecureList OpTriangulation 21Jun2023

    Kucherin, G., et al. (2023, June 21). Dissecting TriangleDB, a Triangulation spyware implant. Retrieved April 18, 2024.

    Open source URL
  2. [2]
    mitre-attackS1216
    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.