Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    18/07/2020, 07:50

General

  • Target
    Maersk.exe
  • Size 841KB
  • Sample200718-214snvcm1s
  • SHA256 df7f92de3a57f9655e1ec74676f4f8aca5ca866a10889a4e88b8e668032f531a
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    daddyhandsome1234

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 44 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Maersk.exe
    "C:\Users\Admin\AppData\Local\Temp\Maersk.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3716
    • C:\Users\Admin\AppData\Local\Temp\Maersk.exe
      "C:\Users\Admin\AppData\Local\Temp\Maersk.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3028
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:2772
      • C:\Users\Admin\AppData\Local\Temp\Maersk.exe
        "C:\Users\Admin\AppData\Local\Temp\Maersk.exe" 2 3028 103640
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4004

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/3028-0-0x0000000000400000-0x00000000004B1000-memory.dmp

          memory/3028-3-0x0000000000400000-0x00000000004B1000-memory.dmp

          memory/3028-4-0x0000000000400000-0x00000000004B1000-memory.dmp

          memory/3028-5-0x00000000021B0000-0x0000000002202000-memory.dmp

          memory/3028-6-0x00000000022F2000-0x00000000022F3000-memory.dmp