Exposing The Lazarus Arsenal WinorDLL64 Backdoor

skywatcg-alert-2

  • ransom-4

    TLP-GREEN

In 2021 the researchers discovered and dissected a tool from the Lazarus APTs arsenal named Wslink downloader.

Following that discovery recently a payload associated with the Wslink downloader was identified called WinorDLL64 backdoor.

The backdoor collects system information manipulates files is capable of exfiltration overwriting and removing files executing additional commands and communicates via the Wslink established connection.

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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