Threat intelligence / Malware

HotCroissant

[HotCroissant](https://attack.mitre.org/software/S0431) is a remote access trojan (RAT) attributed by U.S. government entities to malicious North Korean government cyber activity, tracked collectively as HIDDEN COBRA.(Citation: US-CERT HOTCROISSANT February 2020) [HotCroissant](https://attack.mitre.org/software/S0431) shares numerous code similarities with [Rifdoor](https://attack.mitre.org/software/S0433).(Citation: Carbon Black HotCroissant April 2020)

Malware

TypeMalware

External ID—

First seen2026-08-14

Last seen2026-08-14

Confidence

—

[HotCroissant](https://attack.mitre.org/software/S0431) is a remote access trojan (RAT) attributed by U.S. government entities to malicious North Korean government cyber activity, tracked collectively as HIDDEN COBRA.(Citation: US-CERT HOTCROISSANT February 2020) [HotCroissant](https://attack.mitre.org/software/S0431) shares numerous code similarities with [Rifdoor](https://attack.mitre.org/software/S0433).(Citation: Carbon Black HotCroissant April 2020)

Labels

malware

21 recorded

Relationships

uses

to Application Window Discovery

Technique

uses

to Encrypted/Encoded File

Technique

uses

to Exfiltration Over C2 Channel

Technique

uses

to File and Directory Discovery

Technique

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to File Deletion

Technique

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to Hidden Window

Technique

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to Ingress Tool Transfer

Technique

uses

Technique

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to Process Discovery

Technique

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to Scheduled Task

Technique

uses

to Screen Capture

Technique

uses

to Service Stop

Technique

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to Software Discovery

Technique

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to Software Packing

Technique

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to Symmetric Cryptography

Technique

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to System Information Discovery

Technique

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to System Network Configuration Discovery

Technique

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to System Owner/User Discovery

Technique

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to System Service Discovery

Technique

uses

to Windows Command Shell

Technique

uses

from Lazarus Group

Group

3 external

References

mitre-attack

S0431

Carbon Black HotCroissant April 2020

https://www.carbonblack.com/2020/04/16/vmware-carbon-black-tau-threat-analysis-the-evolution-of-lazarus/

US-CERT HOTCROISSANT February 2020

https://www.us-cert.gov/ncas/analysis-reports/ar20-045d