Overview

overview

9

Static

static

3

ByGoneSpoofer.exe

windows11-21h2-x64

9

ByGoneSpoofer.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    148s
  • max time network
    65s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 03:03

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General

  • Target
    ByGoneSpoofer.exe
  • Size 10.0MB
  • Sample260709-dkcd6sb17m
  • SHA256 bda37b122adebba9b64e3b02eccf023fe832c3741bc64d59660245ff10992c11
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarepersistenceransomwarespyware

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

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

    persistence
  • Loads dropped DLL 23 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 45 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\ByGoneSpoofer.exe
    "C:\Users\Admin\AppData\Local\Temp\ByGoneSpoofer.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4620
    • C:\Users\Admin\AppData\Local\Temp\ByGoneSpoofer.exe
      "C:\Users\Admin\AppData\Local\Temp\ByGoneSpoofer.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2708
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c cls
        3⤵
          PID:1144
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5868
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:4740
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2320
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:5796
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:3116

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            prep_Activatable Class_Hermes_perf.cache
            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
            • Size 595B
            • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            VCRUNTIME140.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\VCRUNTIME140.dll
            • Size 117KB
            • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            VCRUNTIME140_1.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\VCRUNTIME140_1.dll
            • Size 48KB
            • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _bz2.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\_bz2.pyd
            • Size 83KB
            • SHA256 965f199679afa9b31d537d98c3ca8403afd6b9e58e1a463ae47697ae4bf12771
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _ctypes.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\_ctypes.pyd
            • Size 129KB
            • SHA256 697d05cac7c167c00ccf22ea4fdbc7a8db93ab9c6421061191558e42478068c5
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _hashlib.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\_hashlib.pyd
            • Size 68KB
            • SHA256 1430e4a2ed19eda840668a292c39ff44488b598f53e903a61739a86b779ecbfe
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _lzma.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\_lzma.pyd
            • Size 156KB
            • SHA256 b78f5a8476139ff04731046459efd047bb8f52dc92c5b2082eabf2929c0ca02d
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _queue.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\_queue.pyd
            • Size 33KB
            • SHA256 08050f94efe7bdd9d7cbe85b1196de391cac1b30f4a4918610cb174ae529a5db
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _socket.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\_socket.pyd
            • Size 84KB
            • SHA256 c63e8e6a369cbe86e57c9823fb48bc5d4e7bb18455b9b001986b4768c49007da
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _ssl.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\_ssl.pyd
            • Size 177KB
            • SHA256 11572f6eb63e43cdc2908812506ffcdab21be2be5931f1e38d856c15f5a79e6c
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _uuid.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\_uuid.pyd
            • Size 27KB
            • SHA256 6a3e6d89e71a803609e6e765a592011427a5b6e7a4766bbca7790b601bb66dbe
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            base_library.zip
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\base_library.zip
            • Size 1.3MB
            • SHA256 4726f618b8da9a1dc3f4f708384ebfdd1e4301627ea4ef0fe833b247f2f70bae
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            md.cp313-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\charset_normalizer\md.cp313-win_amd64.pyd
            • Size 10KB
            • SHA256 4e66da1baef3b663ab8f48feed4ed1d72e977b4209240595d2c440071bc632c8
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            md__mypyc.cp313-win_amd64.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\charset_normalizer\md__mypyc.cp313-win_amd64.pyd
            • Size 125KB
            • SHA256 a26b6459a25f1e9b600ac3df6b2c4f30d7f9d643292546b85ccb763d49fdea90
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            libcrypto-3.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\libcrypto-3.dll
            • Size 5.0MB
            • SHA256 ccfffddcd3defb8d899026298af9af43bc186130f8483d77e97c93233d5f27d7
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            libffi-8.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\libffi-8.dll
            • Size 38KB
            • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            libssl-3.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\libssl-3.dll
            • Size 776KB
            • SHA256 007142039f04d04e0ed607bda53de095e5bc6a8a10d26ecedde94ea7d2d7eefe
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            python313.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\python313.dll
            • Size 5.8MB
            • SHA256 0565965617d94274d7f2c2958d0bef33392cd9d2f346f99d8e1bedbdf264ee85
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            pywintypes313.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\pywin32_system32\pywintypes313.dll
            • Size 132KB
            • SHA256 9bb6dece38380abc747dce9ba8b0834a2bec469bc942dbcc8658e30ebdfb59a4
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            select.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\select.pyd
            • Size 32KB
            • SHA256 d1e486de9653640be7c3a9bed04aa716b29ea76a69e1de758dd9fa708f2c9d38
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ucrtbase.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\ucrtbase.dll
            • Size 1.1MB
            • SHA256 c04daeba7e7c4b711d33993ab4c51a2e087f98f4211aea0dcb3a216656ba0ab7
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            unicodedata.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\unicodedata.pyd
            • Size 695KB
            • SHA256 e7d0375a7064b1c8916cca7cabf7e3df559fc8463dfdf831f403e95c79499121
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            win32api.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\win32\win32api.pyd
            • Size 132KB
            • SHA256 b80722e54741563e72e264ca33e1900ee49c927c475e54ef8f94c3eac9032465
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            win32security.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI46202\win32\win32security.pyd
            • Size 134KB
            • SHA256 99b4fd9f47602371380c8579489b0c6fdc88d7776224062ba6c39b185c4e9001
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/2320-118-0x000001A8001E0000-0x000001A8002E0000-memory.dmp
            Download

            memory/2320-162-0x000001A8141F0000-0x000001A814210000-memory.dmp
            Download

            memory/2320-117-0x000001A8001E0000-0x000001A8002E0000-memory.dmp
            Download

            memory/2320-143-0x000001A801C70000-0x000001A801C90000-memory.dmp
            Download

            memory/2320-129-0x000001A801910000-0x000001A801930000-memory.dmp
            Download

            memory/2320-130-0x000001A801E70000-0x000001A801F70000-memory.dmp
            Download

            memory/4740-285-0x000000000DA30000-0x000000000E2AB000-memory.dmp
            Download