General

  • Target

    BootstrapperNew.exe

  • Size

    5.9MB

  • Sample

    250208-p73enaxndq

  • MD5

    7f1275dc6e829a3d73375df2850c13b5

  • SHA1

    9d1c1720ea2d410113156f54eb682e31b243af57

  • SHA256

    73f423af85cc19f7d4a2d8f9b74a5c6b7bea0c44e53d9a2ce959a1cfb83e75e7

  • SHA512

    9207bb89b252679faa0adf9b66f975ab8b3e412fb67576c6bc12f8c4139da9a41be84e6b38d17629a89827efb5de4193ba3837002f5df3090f8624133c446ad4

  • SSDEEP

    98304:2z+WCSyhi65sn6Wfz7pnxCjJaWlpx1dstaNoSwKHf1c3z5MOueAeFM9hGkrW+cdK:2CmyDDOYjJlpZstQoS9Hf12VKX7bGCWK

Malware Config

Targets

    • Target

      BootstrapperNew.exe

    • Size

      5.9MB

    • MD5

      7f1275dc6e829a3d73375df2850c13b5

    • SHA1

      9d1c1720ea2d410113156f54eb682e31b243af57

    • SHA256

      73f423af85cc19f7d4a2d8f9b74a5c6b7bea0c44e53d9a2ce959a1cfb83e75e7

    • SHA512

      9207bb89b252679faa0adf9b66f975ab8b3e412fb67576c6bc12f8c4139da9a41be84e6b38d17629a89827efb5de4193ba3837002f5df3090f8624133c446ad4

    • SSDEEP

      98304:2z+WCSyhi65sn6Wfz7pnxCjJaWlpx1dstaNoSwKHf1c3z5MOueAeFM9hGkrW+cdK:2CmyDDOYjJlpZstQoS9Hf12VKX7bGCWK

    • Boot or Logon Autostart Execution: Active Setup

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • 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.

    • Installs/modifies Browser Helper Object

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

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks