General

  • Target

    75fce192ffdfd9e6307e1cbdde220dd96880349d8d365cad4b2055d2fc6b09ec

  • Size

    838KB

  • Sample

    240425-dwbxsaef21

  • MD5

    a628cb86405262bc0007e31e9dc8c5ab

  • SHA1

    03f0fdd13c9c4718a34ec6550a2933f414d3cd6b

  • SHA256

    75fce192ffdfd9e6307e1cbdde220dd96880349d8d365cad4b2055d2fc6b09ec

  • SHA512

    5fb0156d454adfb3fb3116facde3591614aa8273b9c8394f73c83833a38ff830ccc9e3a2d7a564d3042132cb9cc267422d71df9f8a4777a056b3814604fb1d73

  • SSDEEP

    12288:ZmYiyzfBtBCf5oLZEeEd5/UYFRfL/ubPTJG/E5xbcGGz7bSvRB:QribCf5oNEb/UYzyDNGLz2

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      75fce192ffdfd9e6307e1cbdde220dd96880349d8d365cad4b2055d2fc6b09ec

    • Size

      838KB

    • MD5

      a628cb86405262bc0007e31e9dc8c5ab

    • SHA1

      03f0fdd13c9c4718a34ec6550a2933f414d3cd6b

    • SHA256

      75fce192ffdfd9e6307e1cbdde220dd96880349d8d365cad4b2055d2fc6b09ec

    • SHA512

      5fb0156d454adfb3fb3116facde3591614aa8273b9c8394f73c83833a38ff830ccc9e3a2d7a564d3042132cb9cc267422d71df9f8a4777a056b3814604fb1d73

    • SSDEEP

      12288:ZmYiyzfBtBCf5oLZEeEd5/UYFRfL/ubPTJG/E5xbcGGz7bSvRB:QribCf5oNEb/UYzyDNGLz2

    • 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