General

  • Target

    https://cdn.discordapp.com/attachments/1266453046377054320/1266456015013023877/Vex-Loader.exe?ex=6736e453&is=673592d3&hm=40fa1f05a7d484d4a0b88380afd069b47747dd0de9bc27643340f442b92f87ab&

  • Sample

    241114-t5fkbs1fqj

Malware Config

Targets

    • Target

      https://cdn.discordapp.com/attachments/1266453046377054320/1266456015013023877/Vex-Loader.exe?ex=6736e453&is=673592d3&hm=40fa1f05a7d484d4a0b88380afd069b47747dd0de9bc27643340f442b92f87ab&

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks