Earth Yako

Also known as: Earth Yako, Enelink, Operation Enelink, Operation RestyLink

Earth Yako is a threat actor that has been actively targeting researchers in academic organizations and think tanks in Japan. They use spearphishing emails with malicious attachments to gain initial access to their targets’ systems. Earth Yako’s objectives and patterns suggest a possible connection to a Chinese APT group, but conclusive proof of their nationality is lacking. They have been observed using various malware delivery methods and techniques, such as the use of Winword.exe for DLL Hijacking.

🌍 Country ["[Unknown]"]

Introduction

Earth Yako is a threat actor that has been actively targeting researchers in academic organizations and think tanks in Japan. They use spearphishing emails with malicious attachments to gain initial access to their targets’ systems. Earth Yako’s objectives and patterns suggest a possible connection to a Chinese APT group, but conclusive proof of their nationality is lacking. They have been observed using various malware delivery methods and techniques, such as the use of Winword.exe for DLL Hijacking.

Activities and Tactics

Country of Origin: 🏳️ [“[Unknown]”]

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

  • Archelaus Beta

Attribution and Evidence

Country of Origin: [“[Unknown]”] Additional attribution information pending cataloguing.

References

References pending cataloguing.