General

  • Target
    Bloxstrap.exe
  • Size 8.6MB
  • Sample240618-mt4z8athml
  • SHA256 662f0ad7151fd4609e066b33ad4eef089b28928ac609f1e15796de009e2b74f3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      Bloxstrap.exe
    • Size 8.6MB
    • SHA256 662f0ad7151fd4609e066b33ad4eef089b28928ac609f1e15796de009e2b74f3
    • MD5 SHA1 SHA512 SSDEEP
    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Checks computer location settings

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

    • 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

    • Checks installed software on the system

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

    • Checks system information in the registry

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

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks