Backdoor.Oldrea

MITRE ATT&CK: S0093 View on attack.mitre.org

Aliases: Havex, Backdoor.Oldrea

First seen
2013-01-01 00:00:00
Malware type
backdoor
Family
Malware family
Operating systems
windows
Last IoC activity
2026-06-16 14:45:04
Profile updated
2026-07-07 13:21:37

Targeted industries: energy-and-utilities

Targeted regions: country_code:us country_code:de country_code:fr

Context

Backdoor.Oldrea is a modular backdoor that used by Dragonfly against energy companies since at least 2013. Backdoor.Oldrea was distributed via supply chain compromise, and included specialized modules to enumerate and map ICS-specific systems, processes, and protocols.

Detection coverage

  • 1 YARA rules
  • 311 Sigma rules

Malware & tools used

  • Registry Run Keys / Startup Folder (attack-pattern)
  • Network Service Discovery (attack-pattern)
  • File Deletion (attack-pattern)
  • System Network Configuration Discovery (attack-pattern)
  • Rundll32 (attack-pattern)
  • Process Injection (attack-pattern)
  • Standard Encoding (attack-pattern)
  • Ingress Tool Transfer (attack-pattern)
  • Email Account (attack-pattern)
  • Archive Collected Data (attack-pattern)
  • Credentials from Web Browsers (attack-pattern)
  • Process Discovery (attack-pattern)
  • File and Directory Discovery (attack-pattern)
  • System Owner/User Discovery (attack-pattern)
  • Remote System Discovery (attack-pattern)
  • System Information Discovery (attack-pattern)
  • Remote System Information Discovery (attack-pattern)
  • Remote System Discovery (attack-pattern)
  • User Execution (attack-pattern)
  • Supply Chain Compromise (attack-pattern)
  • Automated Collection (attack-pattern)
  • Point & Tag Identification (attack-pattern)
  • Denial of Service (attack-pattern)
  • Spearphishing Attachment (attack-pattern)

Used by threat actors

Detection rules

  • MALPEDIA_Win_Havex_Rat_Auto (yara-rule)

Reports & references

  • Broadcom/Symantec — Viewdocument (report)
  • Broadcom/Symantec — Dragonfly Threat Against Western Energy Suppliers (report)
  • vblocalhost.com — Vb2021 Slowik (report)
  • MITRE ATT&CK — S0093 (report)

External references