General

  • Target

    589cc6e744de5278755688d25bb9bdfa9523afe7c47ecc9c83a591bf83a7003e

  • Size

    817KB

  • Sample

    241108-bxwmgascnn

  • MD5

    7638184af71138cb4dfc34163d78cd1f

  • SHA1

    4b084645f63755fbaf1ff9ef5570d4eaf1d6c574

  • SHA256

    589cc6e744de5278755688d25bb9bdfa9523afe7c47ecc9c83a591bf83a7003e

  • SHA512

    265cbe9c612642abfbeac4a34af82cf6bd00f48fba36ceaff6b8494593dd0eb07e10e6ab12b90a8209b7a0a4e3217577b07407ca69b4471a87b01051c33d897b

  • SSDEEP

    24576:b4whSku4OYF46yB0/dm6xYNojv5uQxFLMT:hFul6iOdm675uQxFL2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    nwodo1990

Targets

    • Target

      589cc6e744de5278755688d25bb9bdfa9523afe7c47ecc9c83a591bf83a7003e

    • Size

      817KB

    • MD5

      7638184af71138cb4dfc34163d78cd1f

    • SHA1

      4b084645f63755fbaf1ff9ef5570d4eaf1d6c574

    • SHA256

      589cc6e744de5278755688d25bb9bdfa9523afe7c47ecc9c83a591bf83a7003e

    • SHA512

      265cbe9c612642abfbeac4a34af82cf6bd00f48fba36ceaff6b8494593dd0eb07e10e6ab12b90a8209b7a0a4e3217577b07407ca69b4471a87b01051c33d897b

    • SSDEEP

      24576:b4whSku4OYF46yB0/dm6xYNojv5uQxFLMT:hFul6iOdm675uQxFL2

    • AgentTesla

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

    • Agenttesla family

    • AgentTesla payload

    • 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.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks