Analysis

  • max time kernel
    149s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 20:33

General

  • Target
    Bank Details-pdf.iso.exe
  • Size 441KB
  • Sample201109-p5cb5a4156
  • SHA256 b8cf49555f75f9f06bdfb76150d4b3e1a01a831a7eac7b644dde084c212a43d2
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.logserver.ga

  • Port

    587

  • Password

    work2020

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 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\Bank Details-pdf.iso.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank Details-pdf.iso.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4004
    • C:\Users\Admin\AppData\Local\Temp\Bank Details-pdf.iso.exe
      "{path}"
      2⤵
        PID:2792
      • C:\Users\Admin\AppData\Local\Temp\Bank Details-pdf.iso.exe
        "{path}"
        2⤵
          PID:4068
        • C:\Users\Admin\AppData\Local\Temp\Bank Details-pdf.iso.exe
          "{path}"
          2⤵
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4028
          • C:\Windows\SysWOW64\netsh.exe
            "netsh" wlan show profile
            3⤵
              PID:3040

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              memory/4028-0-0x0000000000400000-0x0000000000452000-memory.dmp