General

  • Target
    target.vbs
  • Size 766B
  • Sample261016-wsf2faaz7z
  • SHA256 7a2ab7bf033fa6ddb25644b03723bf912cbd28fcee9fc1714875b7c44ea14d8d
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    https://github.com/microsoft/winget-cli/releases/latest

Targets

    • Target
      target.vbs
    • Size 766B
    • SHA256 7a2ab7bf033fa6ddb25644b03723bf912cbd28fcee9fc1714875b7c44ea14d8d
    • MD5 SHA1 SHA512 TLSH
    • Detects MeshAgent payload

    • Family: MeshAgent

      MeshAgent is an open source remote access trojan written in C++.

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Possible privilege escalation attempt

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • Checks computer location settings

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

    • Creates new service(s)

    • Executes dropped EXE

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • 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

    • Network Share Discovery

      Attempt to gather information on host network.

    • Drops file in System32 directory

    • Executes a VBScript file via the Windows Script Host.

MITRE ATT&CK Enterprise v16

Tasks