Overview

overview

7

Static

static

3

ByGoneChecker.exe

windows10-2004-x64

7

ByGoneChecker.exe

windows11-ltsc_2024-x64

7

$PLUGINSDI...ls.dll

windows10-2004-x64

3

$PLUGINSDI...ls.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-ltsc_2024-x64

3

LICENSES.c...m.html

windows10-2004-x64

3

LICENSES.c...m.html

windows11-ltsc_2024-x64

3

Zentra.exe

windows10-2004-x64

1

Zentra.exe

windows11-ltsc_2024-x64

1

d3dcompiler_47.dll

windows10-2004-x64

1

ffmpeg.dll

windows10-2004-x64

1

ffmpeg.dll

windows11-ltsc_2024-x64

1

libEGL.dll

windows10-2004-x64

1

libEGL.dll

windows11-ltsc_2024-x64

1

libGLESv2.dll

windows10-2004-x64

1

libGLESv2.dll

windows11-ltsc_2024-x64

1

resources/app.js

windows10-2004-x64

3

resources/app.js

windows11-ltsc_2024-x64

3

resources/...rd.jar

windows10-2004-x64

1

resources/...rd.jar

windows11-ltsc_2024-x64

1

vk_swiftshader.dll

windows10-2004-x64

1

vk_swiftshader.dll

windows11-ltsc_2024-x64

1

vulkan-1.dll

windows10-2004-x64

1

vulkan-1.dll

windows11-ltsc_2024-x64

1

Resubmissions

10/08/2026, 00:14

260810-ajbjpsxhnh

10/08/2026, 00:02

260810-abl1gaxfre7

Analysis

  • max time kernel
    166s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 00:02

Sharing

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Report Analysis Logs

General

  • Target
    ByGoneChecker.exe
  • Size 114.1MB
  • Sample260810-abl1gaxfre
  • SHA256 e0790a9a8c0850b037d97e69942cb64f9ab30e768c312ba3d268194e7428d6a6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discovery

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

    discovery
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ByGoneChecker.exe
    "C:\Users\Admin\AppData\Local\Temp\ByGoneChecker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3460
    • C:\Users\Admin\AppData\Local\Temp\3HhUXJBuwcGVCwMLDb3LCZvunD6\Zentra.exe
      C:\Users\Admin\AppData\Local\Temp\3HhUXJBuwcGVCwMLDb3LCZvunD6\Zentra.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:5404
      • C:\Users\Admin\AppData\Local\Temp\3HhUXJBuwcGVCwMLDb3LCZvunD6\Zentra.exe
        "C:\Users\Admin\AppData\Local\Temp\3HhUXJBuwcGVCwMLDb3LCZvunD6\Zentra.exe" --type=gpu-process --no-sandbox --user-data-dir="C:\Users\Admin\AppData\Roaming\zentra" --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1688 --field-trial-handle=1692,i,15897341688896292890,1649363904746694929,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:2
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:256
      • C:\Users\Admin\AppData\Local\Temp\3HhUXJBuwcGVCwMLDb3LCZvunD6\Zentra.exe
        "C:\Users\Admin\AppData\Local\Temp\3HhUXJBuwcGVCwMLDb3LCZvunD6\Zentra.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-sandbox --user-data-dir="C:\Users\Admin\AppData\Roaming\zentra" --mojo-platform-channel-handle=1752 --field-trial-handle=1692,i,15897341688896292890,1649363904746694929,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version /prefetch:8
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:5044

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        D3DCompiler_47.dll
        • Path C:\Users\Admin\AppData\Local\Temp\3HhUXJBuwcGVCwMLDb3LCZvunD6\D3DCompiler_47.dll
        • Size 4.7MB
        • SHA256 7353f25dc5cf84d09894e3e0461cef0e56799adbc617fce37620ca67240b547d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        chrome_100_percent.pak
        • Path C:\Users\Admin\AppData\Local\Temp\3HhUXJBuwcGVCwMLDb3LCZvunD6\chrome_100_percent.pak
        • Size 163KB
        • SHA256 b7805392bfce11118165e3a4e747ac0ca515e4e0ceadab356d685575f6aa45fb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        chrome_200_percent.pak
        • Path C:\Users\Admin\AppData\Local\Temp\3HhUXJBuwcGVCwMLDb3LCZvunD6\chrome_200_percent.pak
        • Size 222KB
        • SHA256 fac820a98b746a04ce14ec40c7268d6a58819133972b538f9720a5363c862e32
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ffmpeg.dll
        • Path C:\Users\Admin\AppData\Local\Temp\3HhUXJBuwcGVCwMLDb3LCZvunD6\ffmpeg.dll
        • Size 2.7MB
        • SHA256 c8476ee68088d72b9fab25703093df19237d14387016b77f472e10c99c9415ed
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        icudtl.dat
        • Path C:\Users\Admin\AppData\Local\Temp\3HhUXJBuwcGVCwMLDb3LCZvunD6\icudtl.dat
        • Size 10.2MB
        • SHA256 f5170aa2b388d23bebf98784dd488a9bcb741470384a6a9a8d7a2638d768defb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        en-US.pak
        • Path C:\Users\Admin\AppData\Local\Temp\3HhUXJBuwcGVCwMLDb3LCZvunD6\locales\en-US.pak
        • Size 428KB
        • SHA256 0db4f65e527553b9e7bee395f774cc9447971bf0b86d1728856b6c15b88207bb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        resources.pak
        • Path C:\Users\Admin\AppData\Local\Temp\3HhUXJBuwcGVCwMLDb3LCZvunD6\resources.pak
        • Size 5.1MB
        • SHA256 1d241f5d4403a6e802e898c61e4753f8508ae4dda8fcb7750558ec1ecade52c6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        app.asar
        • Path C:\Users\Admin\AppData\Local\Temp\3HhUXJBuwcGVCwMLDb3LCZvunD6\resources\app.asar
        • Size 8.4MB
        • SHA256 3fa0f6dd49b2525c4cd64adcbfc35116a41b0b07292d45d0a818a9e128b43b5e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        v8_context_snapshot.bin
        • Path C:\Users\Admin\AppData\Local\Temp\3HhUXJBuwcGVCwMLDb3LCZvunD6\v8_context_snapshot.bin
        • Size 627KB
        • SHA256 2db4a98abe705ef9bc18e69d17f91bc3f4c0f5703f9f57b41acb877100718918
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        StdUtils.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsuD97F.tmp\StdUtils.dll
        • Size 100KB
        • SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        System.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsuD97F.tmp\System.dll
        • Size 12KB
        • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download