General

  • Target
    973b39d5de9edc4a4ca7bf4b34f59cb36074e6c13158409bde3d5078c9d1b536.exe
  • Size 939KB
  • Sample260703-mj5trsft9t
  • SHA256 973b39d5de9edc4a4ca7bf4b34f59cb36074e6c13158409bde3d5078c9d1b536
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.gmail.com

  • Port

    587

  • Password

    bpfgybadqhugvpdg

Extracted

Family
  • agenttesla

Attributes
  • app_add_startup

    false

  • delete_backspace

    false

  • enable_clipboard_logger

    false

  • enable_contacts

    false

  • enable_cookies

    false

  • enable_keylogger

    false

  • enable_screen_logger

    false

  • enable_torpanel

    false

  • hide_file_startup

    false

  • keylogger_interval

    20

  • log_type

    1

  • pc_state

    Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:99.0) Gecko/20100101 Firefox/99.0

  • public_ip_address_grab

    false

  • public_user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:99.0) Gecko/20100101 Firefox/99.0

  • screen_interval

    20

  • smtp_attach

    false

  • smtp_ssl

    true

  • startup_directory_name

    gnxLZ

  • startup_env_name

    appdata

  • startup_installation_name

    gnxLZ.exe

  • startup_reg_name

    gnxLZ

  • tor_pid

    false

Targets

    • Target
      973b39d5de9edc4a4ca7bf4b34f59cb36074e6c13158409bde3d5078c9d1b536.exe
    • Size 939KB
    • SHA256 973b39d5de9edc4a4ca7bf4b34f59cb36074e6c13158409bde3d5078c9d1b536
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • 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

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • 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.

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks