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General

  • Target

    JaffaCakes118_21ef9aed20f8b6c7abe59a7187f1d6df

  • Size

    488KB

  • Sample

    250106-nzd7esxrdr

  • MD5

    21ef9aed20f8b6c7abe59a7187f1d6df

  • SHA1

    83dfabbcf589d9ac244b6aa12ef9edbc1ddf6493

  • SHA256

    81f6f64bbd43887c911062ca38d7c72c7dd9aabd327abd9d572a54777fcb85be

  • SHA512

    25d56072001401371b6bd766f58041031dad3e28bbbe9c44b916a7d270d9480e7ef51225b87d03d610c8fb8eaea269bc255eb49e4822657e70e762749d46f8db

  • SSDEEP

    12288:BUi2iNgUMeUVAK8eiFrv9nFNDIsedrVfvfyVz+vNx/Th:BUi1eUMNJYFrv9nEtrZvGu/bh

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.diva-italia.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    rr.@%5LjgLz7

Targets

    • Target

      JaffaCakes118_21ef9aed20f8b6c7abe59a7187f1d6df

    • Size

      488KB

    • MD5

      21ef9aed20f8b6c7abe59a7187f1d6df

    • SHA1

      83dfabbcf589d9ac244b6aa12ef9edbc1ddf6493

    • SHA256

      81f6f64bbd43887c911062ca38d7c72c7dd9aabd327abd9d572a54777fcb85be

    • SHA512

      25d56072001401371b6bd766f58041031dad3e28bbbe9c44b916a7d270d9480e7ef51225b87d03d610c8fb8eaea269bc255eb49e4822657e70e762749d46f8db

    • SSDEEP

      12288:BUi2iNgUMeUVAK8eiFrv9nFNDIsedrVfvfyVz+vNx/Th:BUi1eUMNJYFrv9nEtrZvGu/bh

    • AgentTesla

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

    • Agenttesla family

    • AgentTesla payload

    • Drops file in Drivers directory

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks