Analysis

  • max time kernel
    132s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    04/08/2020, 07:16

General

  • Target
    SUPPLY_ORDER_PDF.exe
  • Size 1.1MB
  • Sample200804-52m9m2hrya
  • SHA256 f9d5e2e9d03bc3fd2673a504c6b89db660543684d24e4cc1ba3b2f1f5fad3f71
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.brighttextiles.com

  • Port

    587

  • Password

    rabiammi

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SUPPLY_ORDER_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\SUPPLY_ORDER_PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3816
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp89E7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2444
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3424

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3424-2-0x0000000000400000-0x000000000044A000-memory.dmp