General

  • Target
    nq5s9wl7gvzdpg3b.exe
  • Size 518KB
  • Sample260827-ta2jbaab98
  • SHA256 268418ddbe7e3c9532364766ba4d8415dab38deb160c36d57992f79090635381
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      nq5s9wl7gvzdpg3b.exe
    • Size 518KB
    • SHA256 268418ddbe7e3c9532364766ba4d8415dab38deb160c36d57992f79090635381
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Modifies WinLogon for persistence

    • Boot or Logon Autostart Execution: Active Setup

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

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Event Triggered Execution: AppInit DLLs

      Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

    • Checks computer location settings

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

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

    • Writes to the Master Boot Record (MBR)

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Drops file in System32 directory

    • Executes a VBScript file via the Windows Script Host.

    • Hide Artifacts: Hidden Files and Directories

    • Sets desktop wallpaper using registry

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks