Analysis

  • max time kernel
    152s
  • max time network
    55s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    12/10/2021, 12:11

General

  • Target
    MT103-Advance.Payment.exe
  • Size 606KB
  • Sample211012-pcl47acccj
  • SHA256 58129f56541046d3a3db091fd1c59080e8dc8913ec5f689b8f85ec239b0cb205
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.privateemail.com

  • Port

    587

  • Password

    mmm777

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MT103-Advance.Payment.exe
    "C:\Users\Admin\AppData\Local\Temp\MT103-Advance.Payment.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Users\Admin\AppData\Local\Temp\MT103-Advance.Payment.exe
      C:\Users\Admin\AppData\Local\Temp\MT103-Advance.Payment.exe m
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1464

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1464-65-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1464-66-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1464-67-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1464-68-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1464-69-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1464-71-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1464-73-0x0000000004AA0000-0x0000000004AA1000-memory.dmp

        memory/1464-74-0x0000000004AA1000-0x0000000004AA2000-memory.dmp

        memory/1972-62-0x0000000000E50000-0x0000000000ECC000-memory.dmp

        memory/1972-63-0x0000000004B80000-0x0000000004B81000-memory.dmp

        memory/1972-64-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/1972-60-0x0000000000FB0000-0x0000000000FB1000-memory.dmp