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MITRE ATT&CK® Malware

S0261: Catchamas

Catchamas is a Windows Trojan that steals information from compromised systems. [1]

EnterpriseS0261MalwareObject v1.1Modified
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Glexia's Take · Automated analysis

Security context for executives and security teams

Automation confidenceMedium

S0261: Catchamas describes [Catchamas](https://attack.mitre.org/software/S0261) is a Windows Trojan that steals information from compromised systems. (Citation: Symantec Catchamas April 2018)

Executive priority

S0261: Catchamas 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 S0261: Catchamas 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 S0261: Catchamas 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

Catchamas

Catchamas is a Windows Trojan that steals information from compromised systems. [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
EnterpriseT1112Modify Registry

Catchamas creates three Registry keys to establish persistence by adding a Windows Service.[1]

EnterpriseT1056.001KeyloggingSub-technique

Catchamas collects keystrokes from the victim’s machine.[1]

EnterpriseT1543.003Windows ServiceSub-technique

Catchamas adds a new service named NetAdapter to establish persistence.[1]

EnterpriseT1016System Network Configuration Discovery

Catchamas gathers the Mac address, IP address, and the network adapter information from the victim’s machine.[1]

EnterpriseT1115Clipboard Data

Catchamas steals data stored in the clipboard.[1]

EnterpriseT1074.001Local Data StagingSub-technique

Catchamas stores the gathered data from the machine in .db files and .bmp files under four separate locations.[1]

EnterpriseT1036.004Masquerade Task or ServiceSub-technique

Catchamas adds a new service named NetAdapter in an apparent attempt to masquerade as a legitimate service.[1]

EnterpriseT1010Application Window Discovery

Catchamas obtains application windows titles and then determines which windows to perform Screen Capture on.[1]

EnterpriseT1113Screen Capture

Catchamas captures screenshots based on specific keywords in the window’s title.[1]

Associated objects

Groups, software, and campaigns

GroupEnterprise

G0076: Thrip

Thrip is an espionage group that has targeted satellite communications, telecoms, and defense contractor companies in the U.S. and Southeast Asia. The group uses custom malware as well as "living off the land" techniques. [1]

Relationship explorer

All related ATT&CK context

uses · GroupG0076: ThripEnterpriseuses · TechniqueT1112: Modify RegistryEnterpriseuses · TechniqueT1056.001: KeyloggingEnterpriseuses · TechniqueT1543.003: Windows ServiceEnterpriseuses · TechniqueT1016: System Network Configuration DiscoveryEnterpriseuses · TechniqueT1115: Clipboard DataEnterpriseuses · TechniqueT1074.001: Local Data StagingEnterpriseuses · TechniqueT1036.004: Masquerade Task or ServiceEnterpriseuses · TechniqueT1010: Application Window DiscoveryEnterpriseuses · TechniqueT1113: Screen CaptureEnterprise
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
99c436c3587eab99...
Imported snapshots across ATT&CK releases(2)
ReleaseBundle importedObject versionModifiedStatusRaw hash
19.21.1Current bundle99c436c3587e…
19.11.1Older bundle99c436c3587e…
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]
    Symantec Catchamas April 2018

    Balanza, M. (2018, April 02). Infostealer.Catchamas. Retrieved November 17, 2024.

    Open source URL
  2. [2]
    Catchamas

    (Citation: Symantec Catchamas April 2018)

  3. [3]
    mitre-attackS0261
    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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