Adversary

Labyrinth Chollima

ORIGINS

North Korea

Community Identifiers

HIDDEN COBRA, BeagleBoyz, Lazarus Group, APT-C-26, Zinc, Black Artemis

Labyrinth Chollima is one of the most prolific Democratic People’s Republic of Korea (DPRK) adversaries tracked by CrowdStrike and has been active since 2009.

CrowdStrike assesses this adversary is likely affiliated with Bureau 121 of the DPRK’s Reconnaissance General Bureau (RGB) and has remit to collect political, military, and economic intelligence on North Korea’s foreign adversaries and conduct currency generation campaigns.

Labyrinth Chollima maintains an extensive toolset consisting of implants targeting Windows, Linux, MacOS, and Android operating systems. In 2020, CrowdStrike Intelligence observed the deployment of a steady stream of nearly a dozen new implants, suggesting this adversary appears to be in a constant state of malware development.

LABYRINTH CHOLLIMA’s Hawup, first observed operationally in 2015, defines the contours of this adversary’s modern activity. Nearly all of LABYRINTH CHOLLIMA’s tools bear some relation to Hawup—either directly or indirectly.

Notably, there are numerous technical overlaps between LABYRINTH CHOLLIMA and STARDUST CHOLLIMA malware, indicating the two adversaries likely work in close collaboration and had access to the same code framework prior to subsequent tooling divergence increasingly observed between these adversaries.

Recent Activity:

Starting in 2020 and continuing through 2021, LABYRINTH CHOLLIMA has used Twitter personas to contact entities in the technology vertical and enticed them to execute malware on their machines. Delivered malware bears significant similarities with LABYRINTH CHOLLIMA’s Milt remote access tool (RAT) and Hoplight. Moreover, the use of social media for spear phishing is a tactic CrowdStrike Intelligence frequently observes from LABYRINTH CHOLLIMA.

Targeted Nations

  • Flag Icon of the country Argentina

    Argentina

  • Flag Icon of the country Australia

    Australia

  • Flag Icon of the country Belgium

    Belgium

  • Flag Icon of the country Brazil

    Brazil

  • Flag Icon of the country Canada

    Canada

  • Flag Icon of the country China

    China

  • Flag Icon of the country Denmark

    Denmark

  • Flag Icon of the country Norway

    Norway

  • Flag Icon of the country Estonia

    Estonia

  • Flag Icon of the country Germany

    Germany

  • Flag Icon of the country Hungary

    Hungary

  • Flag Icon of the country India

    India

  • Flag Icon of the country Ireland

    Ireland

  • Flag Icon of the country Israel

    Israel

  • Flag Icon of the country Italy

    Italy

  • Flag Icon of the country Japan

    Japan

  • Flag Icon of the country Netherlands

    Netherlands

  • Flag Icon of the country New Zealand

    New Zealand

  • Flag Icon of the country Poland

    Poland

  • Flag Icon of the country Russian Federation

    Russian Federation

  • Flag Icon of the country Saudi Arabia

    Saudi Arabia

  • Flag Icon of the country Singapore

    Singapore

  • Flag Icon of the country South Korea

    South Korea

  • Flag Icon of the country Spain

    Spain

  • Flag Icon of the country Sweden

    Sweden

  • Flag Icon of the country Turkey

    Turkey

  • Flag Icon of the country Ukraine

    Ukraine

  • Flag Icon of the country United Kingdom

    United Kingdom

  • Flag Icon of the country United States

    United States

  • Flag Icon of the country Western Europe

    Western Europe

Artwork

Adversary: Labyrinth Chollima - Threat Actor

Crowdstrike Labyrinth Chollima

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