General

  • Target

    63250eb58503e8d669c6d31e5aa9ef9e4dea102c24807fdcd09b97d5133a9028

  • Size

    723KB

  • Sample

    240530-b7erpsbb38

  • MD5

    f123bdf1fd66c12a072973ed4c4f6903

  • SHA1

    d2280b51c067501c98a60bf0fc7e04ba15508991

  • SHA256

    63250eb58503e8d669c6d31e5aa9ef9e4dea102c24807fdcd09b97d5133a9028

  • SHA512

    dd0541740ae355f90cdb32efae9569304da913e10e283c61a8a0d072d0fe158a39c86debf438c755922bd7b71487534b2956c4a267d32c33d9abb8627ad7d86e

  • SSDEEP

    12288:G+gboQ8dJS4VTKhjtrA07WMLVX1BDn+teYia4zlrkyOsqg7vE05YUvDk2pDM/Wuu:p9QqScTKV5AWLVFEteJa4zl4kRbEDUvH

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.destinationtoplan.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    payment@12345

Targets

    • Target

      63250eb58503e8d669c6d31e5aa9ef9e4dea102c24807fdcd09b97d5133a9028

    • Size

      723KB

    • MD5

      f123bdf1fd66c12a072973ed4c4f6903

    • SHA1

      d2280b51c067501c98a60bf0fc7e04ba15508991

    • SHA256

      63250eb58503e8d669c6d31e5aa9ef9e4dea102c24807fdcd09b97d5133a9028

    • SHA512

      dd0541740ae355f90cdb32efae9569304da913e10e283c61a8a0d072d0fe158a39c86debf438c755922bd7b71487534b2956c4a267d32c33d9abb8627ad7d86e

    • SSDEEP

      12288:G+gboQ8dJS4VTKhjtrA07WMLVX1BDn+teYia4zlrkyOsqg7vE05YUvDk2pDM/Wuu:p9QqScTKV5AWLVFEteJa4zl4kRbEDUvH

    • AgentTesla

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

    • 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.

    • Adds Run key to start application

    • 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