General

  • Target
    Lethal Grabber.rar
  • Size 93.3MB
  • Sample260629-mexmlaax8s
  • SHA256 f73defcacbf73f3f6c1820952b9264d6cf7919c52dc3379beb2f93c30d814ff4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Lethal Grabber.rar
    • Size 93.3MB
    • SHA256 f73defcacbf73f3f6c1820952b9264d6cf7919c52dc3379beb2f93c30d814ff4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

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

    • Enumerates connected drives

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

    • Target
      Lethal Grabber/LethalGrabber.exe
    • Size 94.2MB
    • SHA256 9058cbaa76b60e4d748a477daef036de1df262734f4e61e3bd746e606466319c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Adds policy Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Drops startup file

    • 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.

    • Registers new Windows logon scripts automatically executed at logon.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • 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.

    • Target
      Lethal Grabber/requirements.txt
    • Size 22B
    • SHA256 81345b77a704c2a195b4c07f608e2564b802b9551ff8646fa4dccafe0d7b4e9d
    • MD5 SHA1 SHA512
    Score
    1/10
    • Target
      Lethal Grabber/start.bat
    • Size 2KB
    • SHA256 03cd420dc3527966375e7628bc4ff397c12d7db785a62e7f9dfe4ade82a1c6fb
    • MD5 SHA1 SHA512 TLSH
    • Boot or Logon Autostart Execution: Active Setup

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

    • Enumerates connected drives

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

MITRE ATT&CK Enterprise v16

Tasks