General

  • Target

    https://www.youtube.com/redirect?event=comments&redir_token=QUFFLUhqa1l5d3JVczdndTU4VEtIZ2oySU9BVXpGRUE3d3xBQ3Jtc0ttRDRQS1dOZzZ0dWxERFRMa1BoZjJkS1Z1RzdmcUdFNHUxUXJlb3RKV1ZoRUxWYk1ZUl96bjJTUGEyV0YzU3RFYjRlbEtrMDg0V0NiSFp1WHk2cnNfNHNmVEdISndJM1c5c3pleTlWZVE1X1gwaEtxOA&q=http%3A%2F%2Fgetsolara.dev%2F

  • Sample

    250118-c21yes1kgl

Malware Config

Targets

    • Target

      https://www.youtube.com/redirect?event=comments&redir_token=QUFFLUhqa1l5d3JVczdndTU4VEtIZ2oySU9BVXpGRUE3d3xBQ3Jtc0ttRDRQS1dOZzZ0dWxERFRMa1BoZjJkS1Z1RzdmcUdFNHUxUXJlb3RKV1ZoRUxWYk1ZUl96bjJTUGEyV0YzU3RFYjRlbEtrMDg0V0NiSFp1WHk2cnNfNHNmVEdISndJM1c5c3pleTlWZVE1X1gwaEtxOA&q=http%3A%2F%2Fgetsolara.dev%2F

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Mark of the Web detected: This indicates that the page was originally saved or cloned.

    • Network Share Discovery

      Attempt to gather information on host network.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Detected potential entity reuse from brand MICROSOFT.

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks