UNC4736

Also known as: UNC4736

UNC4736 is a North Korean threat actor that has been involved in supply chain attacks targeting software chains of 3CX and X_TRADER. They have used malware strains such as TAXHAUL, Coldcat, and VEILEDSIGNAL to compromise Windows and macOS systems. UNC4736 has been linked to financially motivated cybercrime operations, particularly focused on cryptocurrency and fintech-related services. They have also demonstrated infrastructure overlap with other North Korean and APT43 activity.

🌍 Country North Korea

Introduction

UNC4736 is a North Korean threat actor that has been involved in supply chain attacks targeting software chains of 3CX and X_TRADER. They have used malware strains such as TAXHAUL, Coldcat, and VEILEDSIGNAL to compromise Windows and macOS systems. UNC4736 has been linked to financially motivated cybercrime operations, particularly focused on cryptocurrency and fintech-related services. They have also demonstrated infrastructure overlap with other North Korean and APT43 activity.

Activities and Tactics

Country of Origin: 🇰🇵 North Korea

Notable Campaigns

  • 3CX (March 2023; UNC4736 (DPRK APT))

Tactics, Techniques, and Procedures (TTPs)

Information pending cataloguing.

Notable Indicators of Compromise (IOCs)

No curated IOCs are currently published for this actor. This section will be updated when stable, attributable indicators are available.

Malware and Tools

  • CyberGate
  • Cyber Eye RAT
  • Windows Remote Desktop

Attribution and Evidence

Country of Origin: North Korea Additional attribution information pending cataloguing.

References

References pending cataloguing.