elf.wellmess

Malware type
backdoor, trojan
Family
Malware family
Profile updated
2026-07-07 12:37:27

Targeted industries: government-and-public-sector energy-and-utilities technology-and-telecommunications

Targeted regions: country_code:jp country_code:us country_code:gb

Context

WellMess is designed to execute arbitrary commands and exfiltrate system information. It has been linked with state-sponsored actors and was mainly used for cyber-espionage activities targeting advanced technology sectors.

Reports & references

  • pwc.co.uk — Pwc Cyber Threats 2020 A Year In Retrospect (report)
  • intezer.com — Top Linux Cloud Threats Of 2020 (report)
  • Kaspersky — 97937 (report)
  • pwc.co.uk — Cleaning Up After Wellmess (report)
  • pwc.co.uk — Wellmess Analysis Command Control (report)
  • intezer.com — Intezer 2020 Go Malware Round Up (report)
  • blackberry.com — Report Bb 2021 Threat Report (report)
  • Kaspersky — 98440 (report)
  • ncsc.gov.uk — Advisory Apt29 Targets Covid 19 Vaccine Development (report)
  • Cisco Talos — Attribution Puzzle (report)
  • ironnet.com — Russian Cyber Attack Campaigns And Actors (report)
  • malpedia.caad.fkie.fraunhofer.de — Elf.Wellmess (report)
  • CISA — Aa21 116A (report)
  • CISA — Aa21 116A Russian Foreign Intelligence Service Cyber Operations 508C (report)
  • botconf.eu — 2018 Y Ishikawa S Nagano Lets Go With A Go Rat Final (report)
  • blogs.jpcert.or.jp — Malware Wellmes 9B78 (report)
  • services.global.ntt — The Layered Infrastructure Operated By Apt29 (report)
  • blackberry.com — Report Old Dogs New Tricks (report)
  • community.riskiq.com — Description (report)

External references