Analysis

  • max time kernel
    79s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    22/09/2021, 00:56

General

  • Target
    Document.exe
  • Size 1.1MB
  • Sample210922-bac7lsaha3
  • SHA256 c31467e8064155268806cbf3361acfa3667eb9bee6dabca19f7ed58c373c586a
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • netwire

C2
  • NETW22.DDNS.NET:6655

  • NETW11.DDNS.NET:6655

  • NETW33.DDNS.NET:6655

  • NETW44.DDNS.NET:6655

  • NETW55.DDNS.NET:6655

  • NETW66.DDNS.NET:6655

  • NETW77.DDNS.NET:6655

  • NETW88.DDNS.NET:6655

Attributes
  • activex_autorun

    false

  • activex_key

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

  • offline_keylogger

    true

  • password

    1234

  • registry_autorun

    false

  • startup_name

  • use_mutex

    false

Signatures

  • NetWire RAT payload 1 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Document.exe
    "C:\Users\Admin\AppData\Local\Temp\Document.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1432
    • C:\Windows\SysWOW64\DpiScaling.exe
      C:\Windows\System32\DpiScaling.exe
      2⤵
        PID:1060

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1060-59-0x0000000000140000-0x0000000000141000-memory.dmp

          memory/1060-58-0x00000000000C0000-0x00000000000C1000-memory.dmp

          memory/1060-61-0x0000000010550000-0x0000000010585000-memory.dmp

          memory/1060-60-0x00000000001B0000-0x00000000001B1000-memory.dmp

          memory/1060-62-0x00000000001C0000-0x00000000001F3000-memory.dmp

          memory/1432-53-0x00000000768C1000-0x00000000768C3000-memory.dmp

          memory/1432-55-0x0000000000230000-0x0000000000231000-memory.dmp