CatB Ransomware

skywatcg-alert-2

  • ransom-4

    TLP-GREEN

CatB ransomware appeared on the threat landscape in late 2022 and requires victims to contact the threat actor by email only.

The malware uses DLL sideloading to execute the payload and demands 50 Bitcoin to obtain the decryption key.

The malicious software is packed using UPX and performs multiple system checks to confirm its not running on virtual machines/sandboxes.

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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