Analysis

  • max time kernel
    141s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/03/2025, 21:00

General

  • Target

    54b1eec1d1aafed3f6d18fd961d5af59c6e064f7b419dc91f75fe60c2c859e20.exe

  • Size

    312KB

  • MD5

    da25f7f495802094fb5a21e2584d53e8

  • SHA1

    c4c7661b9456e745402009e3270e1db4f99b91c3

  • SHA256

    54b1eec1d1aafed3f6d18fd961d5af59c6e064f7b419dc91f75fe60c2c859e20

  • SHA512

    f56ae1a67bc0761d5edfc626313519443b7699c511bdc57713fd4c6e2af522fb5d0ef6dc98def75c5ba87dafa7550cc4bb1d666a48d5d395978347b114f2876e

  • SSDEEP

    6144:o4/EUyRQtOMdnvMMavQZSZOgfpMl8hybZERd:7/pOMdnvnavQZSZHMehy1U

Malware Config

Extracted

Family

netwire

C2

163.172.122.160:6880

officeusd.hopto.org:6882

officeusd.freedynamicdns.org:6881

Attributes
  • activex_autorun

    true

  • activex_key

    {N7037D4A-2XYB-3F80-7Y3N-NWDNM4H1232P}

  • copy_executable

    true

  • delete_original

    true

  • host_id

    USD

  • install_path

    %AppData%\Install\MicrosoftWindow.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    true

  • mutex

    HpxSfhNV

  • offline_keylogger

    true

  • password

    nobility007

  • registry_autorun

    true

  • startup_name

    MSWindow

  • 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.

  • Netwire family
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\54b1eec1d1aafed3f6d18fd961d5af59c6e064f7b419dc91f75fe60c2c859e20.exe
    "C:\Users\Admin\AppData\Local\Temp\54b1eec1d1aafed3f6d18fd961d5af59c6e064f7b419dc91f75fe60c2c859e20.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Users\Admin\AppData\Roaming\Install\MicrosoftWindow.exe
      "C:\Users\Admin\AppData\Roaming\Install\MicrosoftWindow.exe" -m "C:\Users\Admin\AppData\Local\Temp\54b1eec1d1aafed3f6d18fd961d5af59c6e064f7b419dc91f75fe60c2c859e20.exe"
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:1740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\Install\MicrosoftWindow.exe

    Filesize

    312KB

    MD5

    da25f7f495802094fb5a21e2584d53e8

    SHA1

    c4c7661b9456e745402009e3270e1db4f99b91c3

    SHA256

    54b1eec1d1aafed3f6d18fd961d5af59c6e064f7b419dc91f75fe60c2c859e20

    SHA512

    f56ae1a67bc0761d5edfc626313519443b7699c511bdc57713fd4c6e2af522fb5d0ef6dc98def75c5ba87dafa7550cc4bb1d666a48d5d395978347b114f2876e

  • memory/1740-14-0x0000000000400000-0x00000000004FC000-memory.dmp

    Filesize

    1008KB

  • memory/1740-15-0x0000000000400000-0x00000000004FC000-memory.dmp

    Filesize

    1008KB

  • memory/1740-16-0x0000000000400000-0x00000000004FC000-memory.dmp

    Filesize

    1008KB

  • memory/1740-19-0x0000000000400000-0x00000000004FC000-memory.dmp

    Filesize

    1008KB

  • memory/1740-26-0x0000000000400000-0x00000000004FC000-memory.dmp

    Filesize

    1008KB

  • memory/3000-3-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/3000-2-0x00000000005B0000-0x00000000006B0000-memory.dmp

    Filesize

    1024KB

  • memory/3000-12-0x0000000000400000-0x00000000004FC000-memory.dmp

    Filesize

    1008KB