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General

  • Target

    6839fb152174e4271194e429df9371d10d7412b7c2da8128729744928f89aefe

  • Size

    685KB

  • Sample

    240721-bk36sasckc

  • MD5

    b4b53ed604a7aceb07fea84544bb9b3f

  • SHA1

    b7aac6a8c4584ffdcbfabaa9bbbe67a699a18cfc

  • SHA256

    6839fb152174e4271194e429df9371d10d7412b7c2da8128729744928f89aefe

  • SHA512

    b2d50d63a0aa011b738ccc36235d3aa00451b5033e5b56a9cdbf57ccbdbe9f2a92d4d065c201b398c5632aa800d7aa0a483a560e2d189dd5cabc34cc26ede650

  • SSDEEP

    12288:S6iN882Bo2SvPXr4zbUc1EkgVDasvuK60RtWAOqnDKyHbiN9kR:S6u2BoPPIT1EkwDRvzRteK7H

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ridafruits.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ridagan163

Targets

    • Target

      6839fb152174e4271194e429df9371d10d7412b7c2da8128729744928f89aefe

    • Size

      685KB

    • MD5

      b4b53ed604a7aceb07fea84544bb9b3f

    • SHA1

      b7aac6a8c4584ffdcbfabaa9bbbe67a699a18cfc

    • SHA256

      6839fb152174e4271194e429df9371d10d7412b7c2da8128729744928f89aefe

    • SHA512

      b2d50d63a0aa011b738ccc36235d3aa00451b5033e5b56a9cdbf57ccbdbe9f2a92d4d065c201b398c5632aa800d7aa0a483a560e2d189dd5cabc34cc26ede650

    • SSDEEP

      12288:S6iN882Bo2SvPXr4zbUc1EkgVDasvuK60RtWAOqnDKyHbiN9kR:S6u2BoPPIT1EkwDRvzRteK7H

    • 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.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks