Saint Bot

MITRE ATT&CK: S1018 View on attack.mitre.org

Aliases: Saint Bot

First seen
2021-03-01 00:00:00
Malware type
downloader
Family
Malware family
Operating systems
windows
Profile updated
2026-07-07 13:01:03

Targeted industries: government-and-public-sector financial-services technology-and-telecommunications

Context

Saint Bot is a .NET downloader that has been used by Saint Bear since at least March 2021.

Detection coverage

  • 837 Sigma rules

Malware & tools used

  • Regsvr32 (attack-pattern)
  • Dynamic-link Library Injection (attack-pattern)
  • System Network Configuration Discovery (attack-pattern)
  • Bypass User Account Control (attack-pattern)
  • Obfuscated Files or Information (attack-pattern)
  • Masquerading (attack-pattern)
  • Ingress Tool Transfer (attack-pattern)
  • Web Protocols (attack-pattern)
  • System Information Discovery (attack-pattern)
  • Windows Command Shell (attack-pattern)
  • Time Based Checks (attack-pattern)
  • Query Registry (attack-pattern)
  • Scheduled Task (attack-pattern)
  • Native API (attack-pattern)
  • Malicious File (attack-pattern)
  • Asynchronous Procedure Call (attack-pattern)
  • Spearphishing Link (attack-pattern)
  • Software Packing (attack-pattern)
  • Visual Basic (attack-pattern)
  • System Checks (attack-pattern)
  • PowerShell (attack-pattern)
  • Debugger Evasion (attack-pattern)
  • System Location Discovery (attack-pattern)
  • Registry Run Keys / Startup Folder (attack-pattern)
  • Deobfuscate/Decode Files or Information (attack-pattern)

Used by threat actors

Reports & references

  • Palo Alto Unit 42 — Nascentursa (report)
  • Palo Alto Unit 42 — Ukraine Targeted Outsteel Saintbot (report)
  • inquest.net — Ukraine Cyberwar Overview (report)
  • lifars.com — A Closer Look At The Russian Actors Targeting Organizations In Ukraine (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Saint Bot (report)
  • CERT-UA — 18419 (report)
  • blog.malwarebytes.com — A Deep Dive Into Saint Bot Downloader (report)
  • cyberscoop.com — Ukrainian Cyber Attacks Russia Conflict Q And A (report)
  • MITRE ATT&CK — S1018 (report)
  • blog.malwarebytes.com — A Deep Dive Into Saint Bot Downloader (report)

External references