General

  • Target

    11 (UNSAFE).7z

  • Size

    441.1MB

  • Sample

    241120-p3p9ja1pgj

  • MD5

    bdc156972e65bf5a3c8e70518dca529d

  • SHA1

    36e649eeae6fcacce372bfa464d3fe1635fa4abc

  • SHA256

    8b5348d5ac3057e1f5bc2c48a93032787a024dd8c366a27822a6ff0f69e55647

  • SHA512

    6bfd379475c2730ae00334bfa3194c6eb005066af4e5e1a39937c2c39f76640beb15d0cd91b4821a670aa6f6f62f494af3b4ffe58e1f7a01c3ed3faae9bf2681

  • SSDEEP

    6291456:/g9n8qsig+QxWwDhTC/X9gO4WiwvoRgJ9jby6J8wEXgMb72xOcnX3TPhhpRMBHQK:+nlsiOxWwDhy9g9WJ8pQqiBkRQznu

Malware Config

Targets

    • Target

      11 (UNSAFE).7z

    • Size

      441.1MB

    • MD5

      bdc156972e65bf5a3c8e70518dca529d

    • SHA1

      36e649eeae6fcacce372bfa464d3fe1635fa4abc

    • SHA256

      8b5348d5ac3057e1f5bc2c48a93032787a024dd8c366a27822a6ff0f69e55647

    • SHA512

      6bfd379475c2730ae00334bfa3194c6eb005066af4e5e1a39937c2c39f76640beb15d0cd91b4821a670aa6f6f62f494af3b4ffe58e1f7a01c3ed3faae9bf2681

    • SSDEEP

      6291456:/g9n8qsig+QxWwDhTC/X9gO4WiwvoRgJ9jby6J8wEXgMb72xOcnX3TPhhpRMBHQK:+nlsiOxWwDhy9g9WJ8pQqiBkRQznu

    • 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.

    • 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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Adds Run key to start application

    • Blocklisted process makes network request

    • 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.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks