Analysis

  • max time kernel
    98s
  • max time network
    115s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    19/08/2020, 12:50

General

  • Target
    MEDIFORM SA COMPANY PROFILE.exe
  • Size 569KB
  • Sample200819-kxpjpapz5x
  • SHA256 687bbb360426bced3a9f69df3a4ae321c30c2e6e8cc40bde6b6b7519a6aaab34
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    D0OHs@WA7%(x

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MEDIFORM SA COMPANY PROFILE.exe
    "C:\Users\Admin\AppData\Local\Temp\MEDIFORM SA COMPANY PROFILE.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Users\Admin\AppData\Local\Temp\MEDIFORM SA COMPANY PROFILE.exe
      "{path}"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3816

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3816-0-0x0000000000400000-0x0000000000466000-memory.dmp