Analysis

  • max time kernel
    127s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    16/07/2020, 10:00

General

  • Target
    Purchase Order 4589012.exe
  • Size 593KB
  • Sample200716-r75fsddlnn
  • SHA256 ccb65f79de018225e7ca824cc70f81726e771019e53785d7a2a3772548fcfa23
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.meiaduzia.pt

  • Port

    587

  • Password

    Loja_Flores!1

Signatures

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Suspicious use of WriteProcessMemory 11 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • AgentTesla

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

  • Reads user/profile data of web browsers 2 TTPs

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

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order 4589012.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order 4589012.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:1612
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fbyfck" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBA5D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3612
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order 4589012.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious behavior: EnumeratesProcesses
      PID:3044

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3044-6-0x0000000000400000-0x000000000044C000-memory.dmp