General

  • Target
    Installer_App_x32_x64.zip
  • Size 155.2MB
  • Sample260817-nfkvvsyfrb
  • SHA256 1936973f832a34653c3de26f85fb2039d1a8c41bd9469490bdaf512031776db9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Setup.exe
    • Size 78.0MB
    • SHA256 0cad181b2a0c10c287173b15efa7bf92d387987a41a49ad9be3c486e43e3ddc2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Windows security bypass

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Prevents Microsoft Defender from scanning certain paths by adding an exclusion.

      Uses the Powershell Add-MpPreference cmdlet to exclude paths from being scanned by Microsoft Defender.

    • System Binary Proxy Execution: Rundll32

      Abuse Rundll32 to proxy execution of malicious code.

    • Hide Artifacts: Hidden Window

      Windows that would typically be displayed when an application carries out an operation can be hidden.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Executes a VBScript file via the Windows Script Host.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks