Analysis

  • max time kernel
    142s
  • max time network
    60s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    11/08/2020, 12:10

General

  • Target
    New Purchase Order 10082020.exe
  • Size 420KB
  • Sample200811-d8e1szerf6
  • SHA256 bff2f1623b2ab128f79406b793b67413ba0fa8bf2e0cb90c75bf23deea814856
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.chenklins.com

  • Port

    587

  • Password

    Mx9hRc=G8WE!

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Suspicious use of SetThreadContext 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Purchase Order 10082020.exe
    "C:\Users\Admin\AppData\Local\Temp\New Purchase Order 10082020.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2584
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c schtasks /Create /TN good /XML "C:\Users\Admin\AppData\Local\Temp\bf8b65671b8549958abbe4fa96c3f295.xml"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:492
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Create /TN good /XML "C:\Users\Admin\AppData\Local\Temp\bf8b65671b8549958abbe4fa96c3f295.xml"
        3⤵
        • Creates scheduled task(s)
        PID:780
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\Users\Admin\AppData\Local\Temp\New Purchase Order 10082020.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:992

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/992-3-0x0000000000400000-0x000000000045A000-memory.dmp