General

  • Target

    Built.exe

  • Size

    7.4MB

  • Sample

    250210-xkg47s1rar

  • MD5

    57e14e0d76776d91ca553b493a96a707

  • SHA1

    d557a93eee09e7173f798c201b7ddd61a8b8bca9

  • SHA256

    6766651f430020f4690e11f3c4093dd22142dcc59acf9587cf7de9e2d10d44bd

  • SHA512

    e4d8e94f3ec46840207748e95a13976952a604be74f35a324dc0e6af3f6a4044c34d0ddf04d3d3435505ba2da6bf2194e7d22e46c52c4b41187df5c3bf88b568

  • SSDEEP

    196608:8WX0cDHHYe+Ljv+bhqNVoBKUh8mz4Iv9PPv1DVWhJ:uinwL+9qz8/b4IRv3WhJ

Malware Config

Targets

    • Target

      Built.exe

    • Size

      7.4MB

    • MD5

      57e14e0d76776d91ca553b493a96a707

    • SHA1

      d557a93eee09e7173f798c201b7ddd61a8b8bca9

    • SHA256

      6766651f430020f4690e11f3c4093dd22142dcc59acf9587cf7de9e2d10d44bd

    • SHA512

      e4d8e94f3ec46840207748e95a13976952a604be74f35a324dc0e6af3f6a4044c34d0ddf04d3d3435505ba2da6bf2194e7d22e46c52c4b41187df5c3bf88b568

    • SSDEEP

      196608:8WX0cDHHYe+Ljv+bhqNVoBKUh8mz4Iv9PPv1DVWhJ:uinwL+9qz8/b4IRv3WhJ

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • 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.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Drops file in System32 directory

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks