General

  • Target

    vvndewpluori91026.exe

  • Size

    653KB

  • Sample

    240925-qx416s1fnd

  • MD5

    432644163e0aaa8a0269179e0e036eae

  • SHA1

    b504d2a91b22bb45b886c1d117dacdfa724fe262

  • SHA256

    f3c9e7b2e91b53c3256429497a9fb5d2cd449aca5d5a3b9fb705fe7d8c55d699

  • SHA512

    f076b13cf11a2af5a5d008e62286ab1def0bdbf01e5f1388341575ac78552cb8ae140ba9f73041d239a0e2aa2a36db525b681d9bf138b3a6c815c8f41941e80c

  • SSDEEP

    12288:HeoLvyENxun9zJ7qeNgA3KPIPryfZTHfY87PCl8YK3TkQPzLxnjwX8bQb:9dvun9zJ7VNR3KPMrGRNR1hcYI

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

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

Targets

    • Target

      vvndewpluori91026.exe

    • Size

      653KB

    • MD5

      432644163e0aaa8a0269179e0e036eae

    • SHA1

      b504d2a91b22bb45b886c1d117dacdfa724fe262

    • SHA256

      f3c9e7b2e91b53c3256429497a9fb5d2cd449aca5d5a3b9fb705fe7d8c55d699

    • SHA512

      f076b13cf11a2af5a5d008e62286ab1def0bdbf01e5f1388341575ac78552cb8ae140ba9f73041d239a0e2aa2a36db525b681d9bf138b3a6c815c8f41941e80c

    • SSDEEP

      12288:HeoLvyENxun9zJ7qeNgA3KPIPryfZTHfY87PCl8YK3TkQPzLxnjwX8bQb:9dvun9zJ7VNR3KPMrGRNR1hcYI

    • 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