General

  • Target

    tmpgg7equbt

  • Size

    768KB

  • Sample

    240930-knqvaszhme

  • MD5

    6da2a378bc6d3390ab659d9a8857f643

  • SHA1

    f3320110a49ba8155f21194b288042195afcc30d

  • SHA256

    75bcc27de097f7bb0b0d8a8061e707acd561924dfe54b7bb4ccf5fce5ba0ab8a

  • SHA512

    3705efd72c888621d87647da7ef1373548dab204631abde751e9a8ffb6d90000dfce0ec17eaadde78088513cf36148f86d2291e012ac3923aeb5e6705020b1c5

  • SSDEEP

    12288:J1ZF8K13TrxveK6UpNn72HBYvY9vFXPpj5sHKMtwOoRad2piOwXLw4gAkN/t:JyovD6UP7M9vNfsHzwFRs2QtXH6

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bonnyriggdentalsurgery.com.au
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    eL)rV@QBKA#m

Targets

    • Target

      tmpgg7equbt

    • Size

      768KB

    • MD5

      6da2a378bc6d3390ab659d9a8857f643

    • SHA1

      f3320110a49ba8155f21194b288042195afcc30d

    • SHA256

      75bcc27de097f7bb0b0d8a8061e707acd561924dfe54b7bb4ccf5fce5ba0ab8a

    • SHA512

      3705efd72c888621d87647da7ef1373548dab204631abde751e9a8ffb6d90000dfce0ec17eaadde78088513cf36148f86d2291e012ac3923aeb5e6705020b1c5

    • SSDEEP

      12288:J1ZF8K13TrxveK6UpNn72HBYvY9vFXPpj5sHKMtwOoRad2piOwXLw4gAkN/t:JyovD6UP7M9vNfsHzwFRs2QtXH6

    • 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.

    • 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