Analysis

  • max time kernel
    145s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    24/06/2020, 15:08

General

  • Target
    Request for Quotation – Drilling Equipments Steels, Pipes Valve,Pump & Fittings.exe
  • Size 467KB
  • Sample200624-24a35d67p6
  • SHA256 69e123bccf11d4ead09df4f7970b577f4759cbb1a09b7ccbdfd32e0b4b0bdec0
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    challenge12345@

Signatures

  • Suspicious use of WriteProcessMemory 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Adds Run entry to start application 2 TTPs 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • AgentTesla

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Request for Quotation – Drilling Equipments Steels, Pipes Valve,Pump & Fittings.exe
    "C:\Users\Admin\AppData\Local\Temp\Request for Quotation – Drilling Equipments Steels, Pipes Valve,Pump & Fittings.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    PID:2808
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "{path}"
      2⤵
        PID:3804
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
        "{path}"
        2⤵
        • Suspicious use of WriteProcessMemory
        • Suspicious use of AdjustPrivilegeToken
        • Adds Run entry to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:3848
        • C:\Windows\SysWOW64\netsh.exe
          "netsh" wlan show profile
          3⤵
            PID:556

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/3848-0-0x0000000000400000-0x0000000000452000-memory.dmp