General

  • Target
    a749df2640b353c89be1c44d593214a814a0cf4543b6cc8ce847fbd543f9a563
  • Size 621KB
  • Sample240408-agetcaah69
  • SHA256 a749df2640b353c89be1c44d593214a814a0cf4543b6cc8ce847fbd543f9a563
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.funworld.co.id

  • Port

    587

  • Password

    fwp123mail

Targets

    • Target
      a749df2640b353c89be1c44d593214a814a0cf4543b6cc8ce847fbd543f9a563
    • Size 621KB
    • SHA256 a749df2640b353c89be1c44d593214a814a0cf4543b6cc8ce847fbd543f9a563
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables packed with SmartAssembly

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • 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