General

  • Target

    fb7430fcefac9c8a584a5ec96fa7fedcfce1b6cf7f8b096ee3af6f581a8a9b2a

  • Size

    731KB

  • Sample

    241018-bnjasaxfnf

  • MD5

    ab103c3bc251a6ccf05fdf6b470a39b5

  • SHA1

    f70439366046a1709c4534419759565d52be3321

  • SHA256

    fb7430fcefac9c8a584a5ec96fa7fedcfce1b6cf7f8b096ee3af6f581a8a9b2a

  • SHA512

    ad0b4d29c83da81869c7600f2e9b5361425dae940bb87f123cdcb9cc49016b986ea991d4faddbede81ee181cb0f2b3038297dfb8ef9dfd508b3bb3216b2e0516

  • SSDEEP

    12288:1Ry3LquOTHF0lqci9usgcuTE+/fhtPKOBv9bXmagFHReTLsugIq1RveBYT:1R4LpKqlqDusgcuTNhhd1b1gFQPuIq1p

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    graceofgod@amen

Targets

    • Target

      fb7430fcefac9c8a584a5ec96fa7fedcfce1b6cf7f8b096ee3af6f581a8a9b2a

    • Size

      731KB

    • MD5

      ab103c3bc251a6ccf05fdf6b470a39b5

    • SHA1

      f70439366046a1709c4534419759565d52be3321

    • SHA256

      fb7430fcefac9c8a584a5ec96fa7fedcfce1b6cf7f8b096ee3af6f581a8a9b2a

    • SHA512

      ad0b4d29c83da81869c7600f2e9b5361425dae940bb87f123cdcb9cc49016b986ea991d4faddbede81ee181cb0f2b3038297dfb8ef9dfd508b3bb3216b2e0516

    • SSDEEP

      12288:1Ry3LquOTHF0lqci9usgcuTE+/fhtPKOBv9bXmagFHReTLsugIq1RveBYT:1R4LpKqlqDusgcuTNhhd1b1gFQPuIq1p

    • AgentTesla

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

    • AgentTesla payload

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks