Mail-O

Malware type
credential-stealer, trojan
Profile updated
2026-07-07 12:56:35

Targeted industries: financial-services retail-and-hospitality

Context

Mail-O is an email-based malware primarily used to target financial services and retail sectors. It is designed to steal credentials and deliver malicious payloads via email attachments.

Reports & references

  • blog.group-ib.com — Task (report)
  • sentinelone.com — Thundercats Hack The Fsb Your Taxes Didnt Pay For This Op (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Mail O (report)
  • rt-solar.ru — Ataki Na Foiv Otchet Nktski I Rostelekom Solar Otkrytyy (report)
  • therecord.media — Fsb Nktski Foreign Cyber Mercenaries Breached Russian Federal Agencies (report)
  • labs.sentinelone.com — Thundercats Hack The Fsb Your Taxes Didnt Pay For This Op (report)

External references