Analysis

  • max time kernel
    141s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    06/08/2020, 06:45

General

  • Target
    INVOICE SHEET.exe
  • Size 844KB
  • Sample200806-1dkn3z3fle
  • SHA256 ec548e982f61e9ef1045cf3e0b8abdbc4f4cf6297d08a0dadf2ef9632a717708
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.makezimbetter.com

  • Port

    587

  • Password

    Mah3r@34

Signatures

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • AgentTesla Payload 3 IoCs
  • Reads user/profile data of local email clients 2 TTPs

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

  • AgentTesla

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

  • Suspicious use of WriteProcessMemory 11 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

Processes

  • C:\Users\Admin\AppData\Local\Temp\INVOICE SHEET.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE SHEET.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Users\Admin\AppData\Local\Temp\INVOICE SHEET.exe
      "{path}"
      2⤵
        PID:1008
      • C:\Users\Admin\AppData\Local\Temp\INVOICE SHEET.exe
        "{path}"
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2932

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2932-0-0x0000000000400000-0x000000000044C000-memory.dmp