Larva-24009

Also known as: Larva-24009

Larva-24009 has been active since at least 2023, conducting phishing email attacks to install malware globally, particularly targeting users in Korea. The actor employs LNK malware to install a PowerShell backdoor and maintains persistence with remote control tools like QuasarRAT and UltraVNC. They utilize phishing emails with keywords such as “hospital survey” and “resume,” disguising malware as document files to trick users into execution. This results in the theft of sensitive information, including credentials and user files.

Introduction

Larva-24009 has been active since at least 2023, conducting phishing email attacks to install malware globally, particularly targeting users in Korea. The actor employs LNK malware to install a PowerShell backdoor and maintains persistence with remote control tools like QuasarRAT and UltraVNC. They utilize phishing emails with keywords such as “hospital survey” and “resume,” disguising malware as document files to trick users into execution. This results in the theft of sensitive information, including credentials and user files.

Activities and Tactics

Information pending cataloguing.

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

  • Backdoor.Oldrea:
  • PowerDuke:
  • POWERSTATS:
  • Power Loader:
  • POWERSOURCE:
  • RemoteCMD:
  • Quasar RAT:
  • Remote Utilities:
  • Ultra VNC:
  • RemotePC:

Attribution and Evidence

Information pending cataloguing.

References

References pending cataloguing.