Overview

overview

10

Static

static

INVOICE-FV...78.exe

windows7_x64

10

INVOICE-FV...78.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    61s
  • max time network
    64s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    27/02/2022, 10:43

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General

  • Target
    INVOICE-FV-0147378.exe
  • Size 636KB
  • Sample220227-mr9spaddfj
  • SHA256 2cd7496ffdb10469fc8b47e53ea185b283ea85b20d1ae5b16d7b03aadfcad8bc
  • MD5 SHA1 SHA512
Score
10/10
netwirebotnetpersistenceratstealer

Malware Config

Extracted

Family

  • netwire

C2

  • onelove03.duckdns.org:3382

Attributes
  • activex_autorun

    false

  • activex_key

  • copy_executable

    true

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

    %AppData%\Install\Host.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

    CwTYUOXt

  • offline_keylogger

    true

  • password

    onelove82

  • registry_autorun

    true

  • startup_name

    NetWire

  • use_mutex

    true

Signatures

  • NetWire RAT payload 2 IoCs
    rat
  • Netwire

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

    botnetstealernetwire
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INVOICE-FV-0147378.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE-FV-0147378.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3320
    • C:\Users\Admin\AppData\Local\Temp\INVOICE-FV-0147378.exe
      "C:\Users\Admin\AppData\Local\Temp\INVOICE-FV-0147378.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of WriteProcessMemory
      PID:3592
      • C:\Users\Admin\AppData\Roaming\Install\Host.exe
        "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:100
        • C:\Users\Admin\AppData\Roaming\Install\Host.exe
          "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          PID:2684

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3320-132-0x0000000002380000-0x000000000238D000-memory.dmp
        Download

        memory/3320-133-0x00007FFC6F831000-0x00007FFC6F94A000-memory.dmp
        Download

        memory/3320-134-0x0000000077631000-0x0000000077751000-memory.dmp
        Download

        memory/3592-135-0x0000000000400000-0x00000000004A0000-memory.dmp
        Download

        memory/3592-137-0x0000000000400000-0x000000000042B000-memory.dmp
        Download

        memory/3592-140-0x0000000000401000-0x000000000041C000-memory.dmp
        Download