General

  • Target

    VEwgAwjEah8fGGy.exe

  • Size

    664KB

  • Sample

    240904-sa2cwasekj

  • MD5

    6c345b6f51a1ea735759fc7af673acb5

  • SHA1

    c1721135ec26a5d02871ba9777303741790563db

  • SHA256

    dba0b5cdff4938b55552ada7a99627feb2f93eba71a14461f105bb6d2006eba3

  • SHA512

    561987951b0c80144b632db532436bf06880ef459ec7dadc0fd8fa9acdf170c4ed697c64c6c6cea3497f4673751dc3201e51e04fa656c390d231c3f093bfa569

  • SSDEEP

    12288:uHunnq7vANkjjEeNPgJiCk/3GHbrm+8/LQm0u5aR9QO+3tmrVy20:OunIvAS3ENJbW2HGNLQm0y0WGQ2

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.apexrnun.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    %qroUozO;(C2Rlyb

Targets

    • Target

      VEwgAwjEah8fGGy.exe

    • Size

      664KB

    • MD5

      6c345b6f51a1ea735759fc7af673acb5

    • SHA1

      c1721135ec26a5d02871ba9777303741790563db

    • SHA256

      dba0b5cdff4938b55552ada7a99627feb2f93eba71a14461f105bb6d2006eba3

    • SHA512

      561987951b0c80144b632db532436bf06880ef459ec7dadc0fd8fa9acdf170c4ed697c64c6c6cea3497f4673751dc3201e51e04fa656c390d231c3f093bfa569

    • SSDEEP

      12288:uHunnq7vANkjjEeNPgJiCk/3GHbrm+8/LQm0u5aR9QO+3tmrVy20:OunIvAS3ENJbW2HGNLQm0y0WGQ2

    • AgentTesla

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks