General

  • Target

    f0b42412795e50d61c2207c27519236ce5ae44a4e38d5c8db29c32672f66e737

  • Size

    688KB

  • Sample

    240515-ckph3acg37

  • MD5

    cb1a26af05b3fbc8d26af8e152e2c47d

  • SHA1

    274a64d9e6899cc43829e316d7a246e11a71c94d

  • SHA256

    f0b42412795e50d61c2207c27519236ce5ae44a4e38d5c8db29c32672f66e737

  • SHA512

    94d70c4eb17706efb17e4f2118e251b44a451ebadd10d4cfdbedb7e1bdd989ae470e9bf7b26cebfb0d0416067a865dccd4279b3ee4c06926af4dab2eec5e8faa

  • SSDEEP

    12288:Nzlbd3ZU6ZhsrGugAMOgktObsV5sFAUXKEJSGlKKV:NzBd3ZU6Z6Su7M7ngT4AwKaNKK

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    COKOeve8899

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      f0b42412795e50d61c2207c27519236ce5ae44a4e38d5c8db29c32672f66e737

    • Size

      688KB

    • MD5

      cb1a26af05b3fbc8d26af8e152e2c47d

    • SHA1

      274a64d9e6899cc43829e316d7a246e11a71c94d

    • SHA256

      f0b42412795e50d61c2207c27519236ce5ae44a4e38d5c8db29c32672f66e737

    • SHA512

      94d70c4eb17706efb17e4f2118e251b44a451ebadd10d4cfdbedb7e1bdd989ae470e9bf7b26cebfb0d0416067a865dccd4279b3ee4c06926af4dab2eec5e8faa

    • SSDEEP

      12288:Nzlbd3ZU6ZhsrGugAMOgktObsV5sFAUXKEJSGlKKV:NzBd3ZU6Z6Su7M7ngT4AwKaNKK

    • AgentTesla

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

    • Detect ZGRat V1

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks