Analysis

  • max time kernel
    59s
  • max time network
    63s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    27/02/2022, 12:12

General

  • Target
    URGENT QUATATION.exe
  • Size 600KB
  • Sample220227-pdfzkacba2
  • SHA256 e5102c0ced236b586bc2774cd77e7576be08132cbc9ace0aa674b3dead425b58
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • netwire

C2
  • nageeb1234.duckdns.org:3360

Attributes
  • activex_autorun

    true

  • activex_key

    {8BK61CR2-XD45-ONI8-W04Y-S57KKU16EQO8}

  • copy_executable

    true

  • delete_original

    false

  • host_id

    tony

  • install_path

    %AppData%\Install\Host.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

  • offline_keylogger

    true

  • password

    tony1234

  • registry_autorun

    true

  • startup_name

    NetWire

  • use_mutex

    false

Signatures

  • NetWire RAT payload 2 IoCs
  • Netwire

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

  • Executes dropped EXE 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs
  • 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
  • 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\URGENT QUATATION.exe
    "C:\Users\Admin\AppData\Local\Temp\URGENT QUATATION.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1124
    • C:\Users\Admin\AppData\Local\Temp\URGENT QUATATION.exe
      "C:\Users\Admin\AppData\Local\Temp\URGENT QUATATION.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of WriteProcessMemory
      PID:3472
      • 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:1764
        • 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:4208

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1124-132-0x0000000000690000-0x000000000069E000-memory.dmp

        memory/1124-133-0x00007FFABDB71000-0x00007FFABDC8A000-memory.dmp

        memory/1124-134-0x0000000077671000-0x0000000077791000-memory.dmp

        memory/3472-135-0x0000000000400000-0x0000000000497000-memory.dmp

        memory/3472-137-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/3472-140-0x0000000000401000-0x000000000041C000-memory.dmp