Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    07/07/2020, 08:27

General

  • Target
    Facturas Pagadas al Vencimiento 2.bat.exe
  • Size 508KB
  • Sample200707-za5f6dd862
  • SHA256 a6e37f96da16a4f2be724e41fb5aa0ddcb75ba281b2dcf2077779592ab0ed5bb
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.imacdeveracruz.com

  • Port

    587

  • Password

    Nal02ti*

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas al Vencimiento 2.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas al Vencimiento 2.bat.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas al Vencimiento 2.bat.exe
      "{path}"
      2⤵
        PID:736
      • C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas al Vencimiento 2.bat.exe
        "{path}"
        2⤵
          PID:324
        • C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas al Vencimiento 2.bat.exe
          "{path}"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1044

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/1044-2-0x0000000000400000-0x000000000044C000-memory.dmp

            memory/1044-4-0x0000000000400000-0x000000000044C000-memory.dmp

            memory/1044-5-0x0000000000400000-0x000000000044C000-memory.dmp