Threat Actors Target Exposed Remote Desktop Protocol To Deploy Ransomware

skywatcg-alert-2

  • ransom-4

    TLP-GREEN


Threat actors were discovered targeting open Remote Desktop Protocol (RDP) ports with variants from a range of ransomware families including Redeemer, NYX, Vohu, Amelia, BlackHunt, and MedusaLocker.

Online scanners were used to discover devices while stolen credentials or vulnerabilities were used as the initial access vector.

In some instances, adversaries were discovered exploiting the Microsoft Windows RDP BlueKeep vulnerability (CVE-2019-0708) to gain entry.

SkyWatchSM Alert Legend

  • small-bell

    Warning

  • active-threat0-lt-green

    Active Threat

  • malware-lt-green

    Malware

  • ransome-lt-green

    Ransomware

  • warning-green

    Phishing

  • file-green

    Network/IOT

Glesec Information Sharing Protocol

GLESEC CYBER SECURITY INCIDENT REPORTS are in compliance with the U.S. Department of Homeland Security (DHS) Traffic-Light Protocol (TLP).

  • TLP-White

    Disclosure is Not Limited.

  • TLP-Green

    Limited Disclosure, Restricted Only to the Community.

  • TLP-Amber

    Limited Disclosure, restricted to the Participant's Organization.

  • TLP-Red

    Not for Disclosure, Restricted/ Classified - Only Shared with US DHS.

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