SampleCheck5000

MITRE ATT&CK: S1168 View on attack.mitre.org

Aliases: SC5k, SampleCheck5000

First seen
2019-05-01 00:00:00
Malware type
downloader
Family
Malware family
Operating systems
windows
Profile updated
2026-07-07 15:11:07

Targeted industries: government-and-public-sector

Targeted regions: country_code:sa

Context

SampleCheck5000 is a downloader with multiple variants that was used by OilRig including during the Outer Space campaign to download and execute additional payloads.

Detection coverage

  • 204 Sigma rules

Malware & tools used

  • Local Storage Discovery (attack-pattern)
  • Bidirectional Communication (attack-pattern)
  • Ingress Tool Transfer (attack-pattern)
  • Deobfuscate/Decode Files or Information (attack-pattern)
  • Archive via Utility (attack-pattern)
  • Windows Command Shell (attack-pattern)
  • Web Protocols (attack-pattern)
  • System Information Discovery (attack-pattern)
  • Local Data Staging (attack-pattern)
  • Exfiltration Over Web Service (attack-pattern)

Used by threat actors

  • Outer Space (campaign)
  • OilRig (threat-actor)

Reports & references

  • ESET — Oilrigs Outer Space Juicy Mix Same Ol Rig New Drill Pipes (report)
  • MITRE ATT&CK — S1168 (report)
  • ESET — Oilrig Persistent Attacks Cloud Service Powered Downloaders (report)

External references