SharpStage

MITRE ATT&CK: S0546 View on attack.mitre.org

Aliases: LastConn, SharpStage

First seen
2022-03-15 00:00:00
Malware type
backdoor
Family
Malware family
Operating systems
windows
Profile updated
2026-07-07 13:21:02

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

Targeted regions: country_code:il country_code:us

Context

SharpStage is a .NET malware with backdoor capabilities.

Detection coverage

  • 1 YARA rules
  • 454 Sigma rules

Malware & tools used

  • Windows Command Shell (attack-pattern)
  • Scheduled Task (attack-pattern)
  • Registry Run Keys / Startup Folder (attack-pattern)
  • Web Service (attack-pattern)
  • Screen Capture (attack-pattern)
  • PowerShell (attack-pattern)
  • Ingress Tool Transfer (attack-pattern)
  • System Information Discovery (attack-pattern)
  • Deobfuscate/Decode Files or Information (attack-pattern)
  • System Language Discovery (attack-pattern)
  • Windows Management Instrumentation (attack-pattern)

Used by threat actors

Detection rules

  • DITEKSHEN_MALWARE_Win_Lastconn (yara-rule)

Reports & references

  • cybereason.com — Molerats In The Cloud New Malware Arsenal Abuses Cloud Platforms In Middle East Espionage Campaign (report)
  • cybereason.com — New Malware Arsenal Abusing Cloud Platforms In Middle East Espionage Campaign (report)
  • 0ffset.net — Molerats String Decryption (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Sharpstage (report)
  • MITRE ATT&CK — S0546 (report)
  • bleepingcomputer.com — Hacking Group S New Malware Abuses Google And Facebook Services (report)

External references