General

  • Target

    x.exe

  • Size

    1.0MB

  • Sample

    241112-r9vtpstndz

  • MD5

    31bc6907d6097a76bb1dd891cfc09b7a

  • SHA1

    97340ca203a1207e492135d580c6860a724a227f

  • SHA256

    f711703c8ba66dcedb8e4b83f21a0425c528e278242c852fd5cf54bb43e30454

  • SHA512

    6c217fa37cc4c655cda0a2a491e49ac736e4940027178b3c7d6488d296923d40cc26a4d0142052b94b58491fa90f17ab3f4115cb0c75efe09175e732d62dbbf5

  • SSDEEP

    24576:BJSK4Kavab3wMeAOr6ZFlR+gKT44VoIOL7zk:7K1WYL6L

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    s82.gocheapweb.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    london@1759

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      x.exe

    • Size

      1.0MB

    • MD5

      31bc6907d6097a76bb1dd891cfc09b7a

    • SHA1

      97340ca203a1207e492135d580c6860a724a227f

    • SHA256

      f711703c8ba66dcedb8e4b83f21a0425c528e278242c852fd5cf54bb43e30454

    • SHA512

      6c217fa37cc4c655cda0a2a491e49ac736e4940027178b3c7d6488d296923d40cc26a4d0142052b94b58491fa90f17ab3f4115cb0c75efe09175e732d62dbbf5

    • SSDEEP

      24576:BJSK4Kavab3wMeAOr6ZFlR+gKT44VoIOL7zk:7K1WYL6L

    • AgentTesla

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

    • Agenttesla family

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Modiloader family

    • ModiLoader Second Stage

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks