General

  • Target

    8d309a7666cf1cbed73ba8589f2b1756042a976fbba1c7bc870519a50281be47

  • Size

    721KB

  • Sample

    240522-bhqsnsff9s

  • MD5

    88e7f3f8fd5231cde7d87733b62849bf

  • SHA1

    5be01caa2dccf8b6dbc9dda911f79c008f9a2115

  • SHA256

    8d309a7666cf1cbed73ba8589f2b1756042a976fbba1c7bc870519a50281be47

  • SHA512

    e9014c3642529cd1da2d988d7e04d55fa81b9c108c62a9bd28e672e6113a953ef491141845e481e7684eff9bb8622a3fdb5cd75090adddb64d210182a7bb2b20

  • SSDEEP

    12288:Yb8EDVfbFfLR9YstBpvTSrj/6SdkgRK+Pm3ggWkUWmg72QZHCnbwzY:zq91zYstBprYjrd/P7w7vHCnbc

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    aYl@txL3

Targets

    • Target

      8d309a7666cf1cbed73ba8589f2b1756042a976fbba1c7bc870519a50281be47

    • Size

      721KB

    • MD5

      88e7f3f8fd5231cde7d87733b62849bf

    • SHA1

      5be01caa2dccf8b6dbc9dda911f79c008f9a2115

    • SHA256

      8d309a7666cf1cbed73ba8589f2b1756042a976fbba1c7bc870519a50281be47

    • SHA512

      e9014c3642529cd1da2d988d7e04d55fa81b9c108c62a9bd28e672e6113a953ef491141845e481e7684eff9bb8622a3fdb5cd75090adddb64d210182a7bb2b20

    • SSDEEP

      12288:Yb8EDVfbFfLR9YstBpvTSrj/6SdkgRK+Pm3ggWkUWmg72QZHCnbwzY:zq91zYstBprYjrd/P7w7vHCnbc

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks