Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    20/07/2020, 09:06

General

  • Target
    INQUIRY.exe
  • Size 861KB
  • Sample200720-pyjspjdb4j
  • SHA256 5de4ad16045f2d191a0f768e8bea6a48d7da3618620badef959345b37e1b4256
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.makezimbetter.com

  • Port

    587

  • Password

    Mah3r@34

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.makezimbetter.com

  • Port

    587

  • Password

    Mah3r@34

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 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
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe
    "C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe
      "{path}"
      2⤵
        PID:1352
      • C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1216

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1216-2-0x0000000000400000-0x000000000044C000-memory.dmp

          memory/1216-4-0x0000000000400000-0x000000000044C000-memory.dmp

          memory/1216-5-0x0000000000400000-0x000000000044C000-memory.dmp