Analysis

  • max time kernel
    141s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    18/08/2020, 19:40

General

  • Target
    DHL_Statement of Account.exe
  • Size 634KB
  • Sample200818-2ymr451v8s
  • SHA256 0ef7c8a77977cad0c01973b63c83892ff04d3da86ecf5e6bf1f2427361923864
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.outlook.com

  • Port

    587

  • Password

    9v4CkwBY3uLV43U

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 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.

  • 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 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL_Statement of Account.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL_Statement of Account.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:732
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hSpZWLzPCgI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp622B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3944
    • C:\Users\Admin\AppData\Local\Temp\DHL_Statement of Account.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL_Statement of Account.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3936

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3936-2-0x0000000000400000-0x000000000044C000-memory.dmp