Analysis

  • max time kernel
    141s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220414-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-07-2022 01:20

General

  • Target

    507cdb533ae17e2796a585b6c6cbb8b2e116fae2dc26209799df93333d40a0c1.exe

  • Size

    780KB

  • MD5

    24bc8e6bea3028f45e8862a845a2ee9b

  • SHA1

    6d31f6ca00d355fe8dc779b377a0f1a7ce677970

  • SHA256

    507cdb533ae17e2796a585b6c6cbb8b2e116fae2dc26209799df93333d40a0c1

  • SHA512

    2c09d97b9034f33ed57292b2e5cd546745be725f3529007b04ba70c5057433d4011be4bbd90c483b8cc11a6e0d716cbe72338b36336a796d0b72d01437300e90

Malware Config

Extracted

Family

netwire

C2

127.0.0.1:3360

192.3.24.231:3360

Attributes
  • activex_autorun

    true

  • activex_key

    {W41B645X-8AWL-1GUS-6R75-0DDXP4YA48S8}

  • copy_executable

    true

  • delete_original

    false

  • host_id

    wolla

  • install_path

    %AppData%\Windowsmedialites\windowsdfender.exe

  • keylogger_dir

    %AppData%\Mediaupdater\

  • lock_executable

    false

  • mutex

    PLwAEmqL

  • offline_keylogger

    true

  • password

    Zynova@56070

  • registry_autorun

    true

  • startup_name

    windowsdfender

  • use_mutex

    true

Signatures

  • NetWire RAT payload 6 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 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\507cdb533ae17e2796a585b6c6cbb8b2e116fae2dc26209799df93333d40a0c1.exe
    "C:\Users\Admin\AppData\Local\Temp\507cdb533ae17e2796a585b6c6cbb8b2e116fae2dc26209799df93333d40a0c1.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3856
    • C:\Users\Admin\AppData\Local\Temp\507cdb533ae17e2796a585b6c6cbb8b2e116fae2dc26209799df93333d40a0c1.exe
      "C:\Users\Admin\AppData\Local\Temp\507cdb533ae17e2796a585b6c6cbb8b2e116fae2dc26209799df93333d40a0c1.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:264
      • C:\Users\Admin\AppData\Roaming\Windowsmedialites\windowsdfender.exe
        "C:\Users\Admin\AppData\Roaming\Windowsmedialites\windowsdfender.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:376
        • C:\Users\Admin\AppData\Roaming\Windowsmedialites\windowsdfender.exe
          "C:\Users\Admin\AppData\Roaming\Windowsmedialites\windowsdfender.exe"
          4⤵
          • Executes dropped EXE
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          PID:3996

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Windowsmedialites\windowsdfender.exe

    Filesize

    780KB

    MD5

    24bc8e6bea3028f45e8862a845a2ee9b

    SHA1

    6d31f6ca00d355fe8dc779b377a0f1a7ce677970

    SHA256

    507cdb533ae17e2796a585b6c6cbb8b2e116fae2dc26209799df93333d40a0c1

    SHA512

    2c09d97b9034f33ed57292b2e5cd546745be725f3529007b04ba70c5057433d4011be4bbd90c483b8cc11a6e0d716cbe72338b36336a796d0b72d01437300e90

  • C:\Users\Admin\AppData\Roaming\Windowsmedialites\windowsdfender.exe

    Filesize

    780KB

    MD5

    24bc8e6bea3028f45e8862a845a2ee9b

    SHA1

    6d31f6ca00d355fe8dc779b377a0f1a7ce677970

    SHA256

    507cdb533ae17e2796a585b6c6cbb8b2e116fae2dc26209799df93333d40a0c1

    SHA512

    2c09d97b9034f33ed57292b2e5cd546745be725f3529007b04ba70c5057433d4011be4bbd90c483b8cc11a6e0d716cbe72338b36336a796d0b72d01437300e90

  • C:\Users\Admin\AppData\Roaming\Windowsmedialites\windowsdfender.exe

    Filesize

    780KB

    MD5

    24bc8e6bea3028f45e8862a845a2ee9b

    SHA1

    6d31f6ca00d355fe8dc779b377a0f1a7ce677970

    SHA256

    507cdb533ae17e2796a585b6c6cbb8b2e116fae2dc26209799df93333d40a0c1

    SHA512

    2c09d97b9034f33ed57292b2e5cd546745be725f3529007b04ba70c5057433d4011be4bbd90c483b8cc11a6e0d716cbe72338b36336a796d0b72d01437300e90

  • memory/264-133-0x0000000000000000-mapping.dmp

  • memory/264-135-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/264-136-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/264-139-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/376-137-0x0000000000000000-mapping.dmp

  • memory/3856-132-0x00000000007F0000-0x00000000007F6000-memory.dmp

    Filesize

    24KB

  • memory/3856-134-0x00000000007F0000-0x00000000007F6000-memory.dmp

    Filesize

    24KB

  • memory/3996-143-0x0000000000000000-mapping.dmp

  • memory/3996-147-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB