General

  • Target

    UPDATED SOA PDF.exe

  • Size

    643KB

  • Sample

    240422-gqbavagf7y

  • MD5

    ab23fade0c5da65f65816a90ab1db589

  • SHA1

    d4ecf5a19c14c1db2409db71162c3425800f5051

  • SHA256

    05412b24d6fd78b8c43e8e5f450f0c28be459e04746622b72bd605e7136c0603

  • SHA512

    a0f81d56dc3faab427213a64c0aeea852d02361cf9d21a5f14eb0d981f77d754b31bf02e50fd800df0593c1010e53bef6ced6cfaec70fb8209307177f4725a36

  • SSDEEP

    12288:4U7+r+eVFUWLSc3Qb7EXoh51h4QAqr/XfdINtDj2jxj27Tu27MSw+jf:xXS6kR3Qb7EXex4QjA2d2fF4Svj

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.flekssitoffice.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Qwe12345.

Targets

    • Target

      UPDATED SOA PDF.exe

    • Size

      643KB

    • MD5

      ab23fade0c5da65f65816a90ab1db589

    • SHA1

      d4ecf5a19c14c1db2409db71162c3425800f5051

    • SHA256

      05412b24d6fd78b8c43e8e5f450f0c28be459e04746622b72bd605e7136c0603

    • SHA512

      a0f81d56dc3faab427213a64c0aeea852d02361cf9d21a5f14eb0d981f77d754b31bf02e50fd800df0593c1010e53bef6ced6cfaec70fb8209307177f4725a36

    • SSDEEP

      12288:4U7+r+eVFUWLSc3Qb7EXoh51h4QAqr/XfdINtDj2jxj27Tu27MSw+jf:xXS6kR3Qb7EXex4QjA2d2fF4Svj

    • AgentTesla

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

    • 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