General

  • Target
    Bootstrapper-v4.exe
  • Size 689.0MB
  • Sample260718-wvtqbacy4x
  • SHA256 37c3405d646899446cf6084968a9adbef66447a4d009b92c0cf28ea194189885
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Bootstrapper-v4.exe
    • Size 689.0MB
    • SHA256 37c3405d646899446cf6084968a9adbef66447a4d009b92c0cf28ea194189885
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Network Share Discovery

      Attempt to gather information on host network.

    • Executes a VBScript file via the Windows Script Host.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks