General

  • Target

    215ab64e5c39c8732244168858304ac98e0c15b97b5319b75b2ac8726fcbeb3b

  • Size

    616KB

  • Sample

    240417-rv8r1scb23

  • MD5

    3acee3f74fbae474c9ed47af022ded48

  • SHA1

    5c1071e18e0e41db139cc1851d51550d39fa4ec4

  • SHA256

    215ab64e5c39c8732244168858304ac98e0c15b97b5319b75b2ac8726fcbeb3b

  • SHA512

    38b24579ed5d8ce4f98acf8a1c7c6eb39d6d3101abe462c26d605dfcc12fd0899e24df64fbf963bf7157fda824b875525a5a664e4138d8c1d738559576597876

  • SSDEEP

    12288:dhrM340v4IaWbBJ8vnrY4bEWc7PpLaCOh6urhenGWwwI:HM34QbBivlmjpmCy6urpZ

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.elektronikkutu.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    9U:e3@wpS3:U7h_V

Targets

    • Target

      ecc34f95e278887ec719983726b713401430220c40f13925ccd78d9917f0ac76.exe

    • Size

      632KB

    • MD5

      a5d86dac801967b4c191885b018abaab

    • SHA1

      e489472efccc4207a7711818ee83102a55ecb08f

    • SHA256

      ecc34f95e278887ec719983726b713401430220c40f13925ccd78d9917f0ac76

    • SHA512

      9019d7e166655f13ccc0dac86d3ac13c332261ce557ea06ed150bef3a728c9fac10a1c720a2759966c751c1abf4091acb937339537e86df381c0b13e5cb71f8c

    • SSDEEP

      12288:/axLvnA7H4IzJ77veFzKI8d7RwmoSO5qS1iJ8M8kYTmsViPNecN7uqNJtCVrVm6I:/ax7nA7YO3veq3zQqYi6bTmsVyN1h69O

    • 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.

    • 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