UAT-7237

Also known as: UAT-7237

UAT-7237 is a Chinese-speaking APT group that has been active since at least 2022, primarily targeting web infrastructure entities in Taiwan. They utilize a customized Shellcode loader known as “SoundBill” to execute shellcode, including Cobalt Strike payloads, and rely on SoftEther VPN clients and RDP for persistence and access. UAT-7237 employs techniques such as credential extraction using Mimikatz, reconnaissance with WMI-based tools, and selective deployment of web shells. Their operations indicate a focus on long-term persistence and stealth, with a preference for open-sourced and customized tooling.

🌍 Country China

Introduction

UAT-7237 is a Chinese-speaking APT group that has been active since at least 2022, primarily targeting web infrastructure entities in Taiwan. They utilize a customized Shellcode loader known as “SoundBill” to execute shellcode, including Cobalt Strike payloads, and rely on SoftEther VPN clients and RDP for persistence and access. UAT-7237 employs techniques such as credential extraction using Mimikatz, reconnaissance with WMI-based tools, and selective deployment of web shells. Their operations indicate a focus on long-term persistence and stealth, with a preference for open-sourced and customized tooling.

Activities and Tactics

Country of Origin: 🇨🇳 China

Notable Campaigns

Information pending cataloguing.

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

  • SOUNDBITE
  • ClientMesh
  • Cobalt Strike
  • Client Maximus

Attribution and Evidence

Country of Origin: China Additional attribution information pending cataloguing.

References

References pending cataloguing.