Analysis

  • max time kernel
    151s
  • max time network
    135s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/08/2026, 21:20

General

  • Target
    MedalSetup.v776386636.exe
  • Size 145.1MB
  • Sample260828-z6p32stdjc
  • SHA256 005f5c88e37e355ed755267d02ab860a26c3e2e96265844ea3c3d65a7234899c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Reads ssh keys stored on the system 2 TTPs

    Tries to access SSH used by SSH programs.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to get system information.

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 3 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • 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.

  • Checks processor information in registry 2 TTPs 24 IoCs

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

  • Modifies registry key 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 26 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MedalSetup.v776386636.exe
    "C:\Users\Admin\AppData\Local\Temp\MedalSetup.v776386636.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1256
    • C:\Users\Admin\AppData\Local\SquirrelTemp\Update.exe
      "C:\Users\Admin\AppData\Local\SquirrelTemp\Update.exe" --install .
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2324
      • C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\Squirrel.exe
        "C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\Squirrel.exe" --updateSelf=C:\Users\Admin\AppData\Local\SquirrelTemp\Update.exe
        3⤵
        • Executes dropped EXE
        PID:2836
      • C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\Medal.exe
        "C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\Medal.exe" --squirrel-install 2634.403.1
        3⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3932
        • C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\Medal.exe
          C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\Medal.exe --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Roaming\Medal /prefetch:4 --no-rate-limit --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Roaming\Medal\Crashpad --url=https://sentry.medal.tv/api/1378175/minidump/?sentry_key=c8a362b2878242408b487aafa89be8a7 "--annotation=_companyName=Medal B.V." --annotation=_productName=Medal --annotation=_version=2634.403.1 --annotation=plat=Win64 --annotation=prod=Electron --annotation=ver=40.1.0 --initial-client-data=0x488,0x48c,0x490,0x464,0x494,0x7ff71c9b76b4,0x7ff71c9b76c0,0x7ff71c9b76d0
          4⤵
          • Executes dropped EXE
          PID:2240
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -c "Get-CimInstance -ClassName Win32_VideoController | Format-List -Property Name, Description, Caption, AdapterRAM"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1092
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "reg query HKCU\Software\Medal /v UUID"
          4⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:5776
          • C:\Windows\system32\reg.exe
            reg query HKCU\Software\Medal /v UUID
            5⤵
            • Modifies registry key
            PID:944
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "reg add HKCU\Software\Medal /v UUID /t REG_SZ /d 620f5c48-294c-41f3-9d3b-e490b5f03584 /f"
          4⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:2436
          • C:\Windows\system32\reg.exe
            reg add HKCU\Software\Medal /v UUID /t REG_SZ /d 620f5c48-294c-41f3-9d3b-e490b5f03584 /f
            5⤵
            • Modifies registry key
            PID:1320
        • C:\Windows\system32\fsutil.exe
          fsutil dirty query C:
          4⤵
            PID:4132
          • C:\Users\Admin\AppData\Local\Medal\Update.exe
            C:\Users\Admin\AppData\Local\Medal\Update.exe --createShortcut=Medal.exe
            4⤵
            • Executes dropped EXE
            PID:4324
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /d /s /c "reg query HKLM\Software\Microsoft\Cryptography /v MachineGuid"
            4⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:4424
            • C:\Windows\system32\reg.exe
              reg query HKLM\Software\Microsoft\Cryptography /v MachineGuid
              5⤵
              • Modifies registry key
              PID:4524
          • C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\Medal.exe
            "C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\Medal.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\Medal" --secure-schemes=sentry-ipc --bypasscsp-schemes=sentry-ipc --cors-schemes=sentry-ipc --fetch-schemes=sentry-ipc --field-trial-handle=2016,i,3627363236007978371,12533506009446235712,262144 --enable-features=DocumentPolicyIncludeJSCallStacksInCrashReports,EnableTransparentHwndEnlargement,PdfUseShowSaveFilePicker --disable-features=LocalNetworkAccessChecks,NetworkServiceSandbox,ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation --variations-seed-version --trace-process-track-uuid=3190708989122997041 --mojo-platform-channel-handle=2236 /prefetch:11
            4⤵
            • Executes dropped EXE
            PID:2532
          • C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\Medal.exe
            "C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\Medal.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\Medal" --gpu-preferences=SAAAAAAAAADgAAAEAAAAAAAAAAAAAGAAAQAAAAAAAAAAAAAAAAAAAAIAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=2016,i,3627363236007978371,12533506009446235712,262144 --enable-features=DocumentPolicyIncludeJSCallStacksInCrashReports,EnableTransparentHwndEnlargement,PdfUseShowSaveFilePicker --disable-features=LocalNetworkAccessChecks,NetworkServiceSandbox,ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation --variations-seed-version --trace-process-track-uuid=3190708988185955192 --mojo-platform-channel-handle=2012 /prefetch:2
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:4448

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          Medal.exe

          • Path C:\Users\Admin\AppData\Local\Medal\Medal.exe
          • Size 458KB
          • SHA256 ef690d7f26afe6094dcf0c9fce887e7ef224b45690357b3127b9a935712b0430
          • MD5 SHA1 SHA512 SSDEEP TLSH

          D3DCompiler_47.dll

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\D3DCompiler_47.dll
          • Size 4.5MB
          • SHA256 2821ca3bcf58c90fd9c7109ede742dd6589fd378dbb51b1a676d252fcffe3fa9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          chrome_100_percent.pak

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\chrome_100_percent.pak
          • Size 112KB
          • SHA256 cbe052e9bd36032cde9d0ad7496d611c6a3c98a130b960e1298d490254be1159
          • MD5 SHA1 SHA512 SSDEEP TLSH

          chrome_200_percent.pak

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\chrome_200_percent.pak
          • Size 182KB
          • SHA256 6593ba8ece63001a3fb77bd1d872566edeb26213a1be8e852dd956f6d0e2c93e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          dxcompiler.dll

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\dxcompiler.dll
          • Size 24.5MB
          • SHA256 40a41eec9d90fa1e348ed1b5d398a94aa6203b45a08126c1d3aad39941ab3225
          • MD5 SHA1 SHA512 SSDEEP TLSH

          dxil.dll

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\dxil.dll
          • Size 1.4MB
          • SHA256 681099c2c9adb30185438d89dbe5d909cef07f621a1dbc5a1919ccc653fe1b8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          icudtl.dat

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\icudtl.dat
          • Size 10.3MB
          • SHA256 1cf67874b5a87a8363a86fb3f81e3cbbed54d389062dab8fb52308d5cf8c8612
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libegl.dll

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\libegl.dll
          • Size 523KB
          • SHA256 f624c04a9d951f7e7a899699c7dc14a28b80e788c38bf2236b301162a20d7e05
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libglesv2.dll

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\libglesv2.dll
          • Size 7.7MB
          • SHA256 6f69703aa59f5c221817c55dbfc39d9ae1a6ad200e80e9cc58f7ae79b524d578
          • MD5 SHA1 SHA512 SSDEEP TLSH

          en-US.pak

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\locales\en-US.pak
          • Size 537KB
          • SHA256 ef30389492cc2d31bc5c162056fe68c27a5d57b0a69f5f878562325f795c5185
          • MD5 SHA1 SHA512 SSDEEP TLSH

          resources.pak

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\resources.pak
          • Size 6.1MB
          • SHA256 ce5c35017fd7aa648fe44381711cbf42eff5f6923b11241a4789058dbc5b27aa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          index.js

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\resources\app\index.js
          • Size 984B
          • SHA256 7fe5245bc82f099828bfecf7f78e4c417d6a20fc97ccbf30ac17bff7396aeec9
          • MD5 SHA1 SHA512 TLSH

          main.min.js

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\resources\app\main.min.js
          • Size 4.7MB
          • SHA256 b906857cc2d0fe6485d44820ac033b93cc20ee39d442fd9e37b042976461587b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          index.js

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\resources\app\node_modules\ws\index.js
          • Size 796B
          • SHA256 924564d5be26d59b9682c4263f68320e48dde7240bd2d1ad17ec305537429dd2
          • MD5 SHA1 SHA512 TLSH

          buffer-util.js

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\resources\app\node_modules\ws\lib\buffer-util.js
          • Size 2KB
          • SHA256 8b0a45739132f82e25ea13163780abf547ccfe989267f3eb7abb475beec92da3
          • MD5 SHA1 SHA512 TLSH

          constants.js

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\resources\app\node_modules\ws\lib\constants.js
          • Size 503B
          • SHA256 391e823142b8b370e55a2fd32b022deaf03b8415c56000009674ebc86a0b4f86
          • MD5 SHA1 SHA512 TLSH

          event-target.js

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\resources\app\node_modules\ws\lib\event-target.js
          • Size 7KB
          • SHA256 c45d3c6e12d170c860c0c3f1a050aa0f864d9806632b609a1e607d675aba128c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          extension.js

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\resources\app\node_modules\ws\lib\extension.js
          • Size 6KB
          • SHA256 852564f0f6b460287043803eae732666fb5610f676874354fc89f06aa4e986ed
          • MD5 SHA1 SHA512 SSDEEP TLSH

          limiter.js

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\resources\app\node_modules\ws\lib\limiter.js
          • Size 1KB
          • SHA256 e0469d4b83f6ba764b15f80e1766b75c136fbff68f048f4c050f0b1c7f065f69
          • MD5 SHA1 SHA512 TLSH

          permessage-deflate.js

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\resources\app\node_modules\ws\lib\permessage-deflate.js
          • Size 14KB
          • SHA256 02c31796f0132a335d4efe7b7adcebadbb69543a1ce65ae04aaccc3530e27ab9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          receiver.js

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\resources\app\node_modules\ws\lib\receiver.js
          • Size 17KB
          • SHA256 4879edbf8e48d04d09783cf9c04b5e25f5a448247bb01279438ded2899747220
          • MD5 SHA1 SHA512 SSDEEP TLSH

          sender.js

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\resources\app\node_modules\ws\lib\sender.js
          • Size 16KB
          • SHA256 d0791d30c3defd44dcabbddb879a901c757993fea2c00a7ffea01d53b23b4b77
          • MD5 SHA1 SHA512 SSDEEP TLSH

          stream.js

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\resources\app\node_modules\ws\lib\stream.js
          • Size 4KB
          • SHA256 a56fcb6e2b152097ee820b6f5410b1f71e59819b45d08d9f8bda588fe39070ec
          • MD5 SHA1 SHA512 SSDEEP TLSH

          subprotocol.js

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\resources\app\node_modules\ws\lib\subprotocol.js
          • Size 1KB
          • SHA256 be3f6323d6f549568577dcba9004c1479d95c65a7abb0fe0c582875b9fac0b7c
          • MD5 SHA1 SHA512 TLSH

          validation.js

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\resources\app\node_modules\ws\lib\validation.js
          • Size 3KB
          • SHA256 41ce8e83d0d434132e1704895fedb91f6703a701b42d91c80954ab29b2845593
          • MD5 SHA1 SHA512 TLSH

          websocket-server.js

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\resources\app\node_modules\ws\lib\websocket-server.js
          • Size 16KB
          • SHA256 29029a4d346800c792300df153df2007e9805d9d7b67b0883f9730b64f25b1c8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          websocket.js

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\resources\app\node_modules\ws\lib\websocket.js
          • Size 36KB
          • SHA256 48fdb0f54c1f8ce580d3cfa2908fe7d96fe18f06f9d82306950441cb09b5db26
          • MD5 SHA1 SHA512 SSDEEP TLSH

          package.json

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\resources\app\node_modules\ws\package.json
          • Size 1KB
          • SHA256 584ce6e7516587ba249dc910b0c04e2753f6b3f451fc3a5bc324f7735bdacc71
          • MD5 SHA1 SHA512 TLSH

          package.json

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\resources\app\package.json
          • Size 9KB
          • SHA256 1e48c69abf6d090e0f34304f3b93fd326eb782754baba6ab594596a03c62438f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          squirrel.exe

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\squirrel.exe
          • Size 2.0MB
          • SHA256 9c9c39c36c3007491d19cfeb7ed3429d68e0a54a7cee919bbdc503471f89421b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          v8_context_snapshot.bin

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\v8_context_snapshot.bin
          • Size 696KB
          • SHA256 1df86ae706c6fc60bb6f4e60d76c5a3f56affa54e6b1442f51127bedc589d089
          • MD5 SHA1 SHA512 SSDEEP TLSH

          vk_swiftshader.dll

          • Path C:\Users\Admin\AppData\Local\Medal\app-2634.403.1\vk_swiftshader.dll
          • Size 5.4MB
          • SHA256 9a8f8ea09999bcfafa52fa14ccaca9de9f03c0408826ee8d2b19ab266211e8c5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          RELEASES

          • Path C:\Users\Admin\AppData\Local\SquirrelTemp\RELEASES
          • Size 81B
          • SHA256 9d25526ed9e4467da0ae814e8adc9a889e6860c9ee34a7dc95f90ccab2dca406
          • MD5 SHA1 SHA512 TLSH

          Update.exe

          • Path C:\Users\Admin\AppData\Local\SquirrelTemp\Update.exe
          • Size 1.8MB
          • SHA256 f227fb387354c36743d9bd9b64fecd7cea6cb26dca9e5090f0652187bfbc933c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          background.gif

          • Path C:\Users\Admin\AppData\Local\SquirrelTemp\background.gif
          • Size 5KB
          • SHA256 c4e353de9414b9af2c8b7e9eee24ad73fcdc9da2662dec9f0ec95ea6612f0602
          • MD5 SHA1 SHA512 SSDEEP TLSH

          setupIcon.ico

          • Path C:\Users\Admin\AppData\Local\SquirrelTemp\setupIcon.ico
          • Size 210KB
          • SHA256 b224df52e505c1f0ea3f7a3257e9bebfcc2bc6970ab69cd9feab3af43c1dab33
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Preferences

          • Path C:\Users\Admin\AppData\Roaming\Medal\Preferences
          • Size 93B
          • SHA256 529b6595a4727a6b2d6cc154ae51f426216c01fc7fda02de2460abfb3de118a4
          • MD5 SHA1 SHA512 TLSH

          Preferences~RFe59b3b6.TMP

          • Path C:\Users\Admin\AppData\Roaming\Medal\Preferences~RFe59b3b6.TMP
          • Size 57B
          • SHA256 be4b8924ab38e8acf350e6e3b9f1f63a1a94952d8002759acd6946c4d5d0b5de
          • MD5 SHA1 SHA512 TLSH

          default.exc

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Spelling\en-US\default.exc
          • Size 2B
          • SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
          • MD5 SHA1 SHA512

          memory/1092-1726-0x000001CB43E80000-0x000001CB43E8A000-memory.dmp

          memory/1092-1739-0x000001CB44010000-0x000001CB44034000-memory.dmp

          memory/1092-1737-0x000001CB44010000-0x000001CB4403A000-memory.dmp

          memory/1092-1676-0x000001CB43AE0000-0x000001CB43B02000-memory.dmp

          memory/1092-1688-0x000001CB43DC0000-0x000001CB43E72000-memory.dmp

          memory/1092-1687-0x000001CB43DA0000-0x000001CB43DBE000-memory.dmp

          memory/2324-1069-0x00000000219C0000-0x00000000219FE000-memory.dmp

          memory/2324-1072-0x0000000021990000-0x000000002199E000-memory.dmp

          memory/2324-11-0x0000000000CA0000-0x0000000000E76000-memory.dmp

          memory/2836-1644-0x0000000000E90000-0x000000000109A000-memory.dmp

          memory/4324-1730-0x0000000003020000-0x0000000003040000-memory.dmp