General

  • Target

    827b585be59db284704a585700546262b2e33b6ebecbf0fd9f95097af2068a64.exe

  • Size

    800KB

  • Sample

    240904-b9jtfasgpl

  • MD5

    7ca39065d9b425281b532271439a2a8b

  • SHA1

    e6a624834f2c82167f1dac23c2f30e955ef27c0f

  • SHA256

    827b585be59db284704a585700546262b2e33b6ebecbf0fd9f95097af2068a64

  • SHA512

    10ed4c165228b236c1adb002dd1e987d550381ae3e1edd15ea406b822f686baaa752a8eaab81d3ff0aed7ef38fd6e2ebdb9707974165d976bf1fa38251ff4994

  • SSDEEP

    24576:zjj0ywkpSV70g6a7wwPKfR1dHANj82VgICkdyUSPNhRl:nwywWTU5phTo9R

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

      827b585be59db284704a585700546262b2e33b6ebecbf0fd9f95097af2068a64.exe

    • Size

      800KB

    • MD5

      7ca39065d9b425281b532271439a2a8b

    • SHA1

      e6a624834f2c82167f1dac23c2f30e955ef27c0f

    • SHA256

      827b585be59db284704a585700546262b2e33b6ebecbf0fd9f95097af2068a64

    • SHA512

      10ed4c165228b236c1adb002dd1e987d550381ae3e1edd15ea406b822f686baaa752a8eaab81d3ff0aed7ef38fd6e2ebdb9707974165d976bf1fa38251ff4994

    • SSDEEP

      24576:zjj0ywkpSV70g6a7wwPKfR1dHANj82VgICkdyUSPNhRl:nwywWTU5phTo9R

    • AgentTesla

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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