Analysis

  • max time kernel
    71s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    01/07/2020, 09:28

General

  • Target
    Repeat Order 2020.PDF File.exe
  • Size 613KB
  • Sample200701-9daqfyxkzx
  • SHA256 aff3a5fa9bbbeaa48631511bfcf0a0cd9b4873cb2087acdc6e7a05fe3bfaaa2a
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    ekeneobi12345

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Repeat Order 2020.PDF File.exe
    "C:\Users\Admin\AppData\Local\Temp\Repeat Order 2020.PDF File.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4064
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:3852
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:3864
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3804

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          memory/3804-2-0x0000000000400000-0x000000000044C000-memory.dmp

          memory/3864-0-0x0000000000400000-0x0000000000486000-memory.dmp