Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    10/07/2020, 17:47

General

  • Target
    Quote CIF Port of Antwerp-Belgium.exe
  • Size 433KB
  • Sample200710-2ac1svfsw2
  • SHA256 ee2f4c8c91b98d44507e6e381273655aabba375a51c0c06613389eb3219b16ea
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    server277.web-hosting.com

  • Port

    587

  • Password

    OneLove123

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
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quote CIF Port of Antwerp-Belgium.exe
    "C:\Users\Admin\AppData\Local\Temp\Quote CIF Port of Antwerp-Belgium.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:608
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WoAsdUIPxsEURm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7FD9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1616
    • C:\Users\Admin\AppData\Local\Temp\Quote CIF Port of Antwerp-Belgium.exe
      "{path}"
      2⤵
        PID:552
      • C:\Users\Admin\AppData\Local\Temp\Quote CIF Port of Antwerp-Belgium.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1164

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1164-4-0x0000000000400000-0x000000000044C000-memory.dmp

          memory/1164-6-0x0000000000400000-0x000000000044C000-memory.dmp

          memory/1164-7-0x0000000000400000-0x000000000044C000-memory.dmp