Analysis

  • user interaction
    yes
  • max time kernel
    45s
  • max time network
    40s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/06/2026, 15:48

General

  • Target
    Unkclub.exe
  • Size 12.5MB
  • Sample260623-s87mjsd191
  • SHA256 87e0519fcda5074607c2b0f2a466f0447663dae6e12729edf4f9519d0d14bc3d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 7 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Unkclub.exe
    "C:\Users\Admin\AppData\Local\Temp\Unkclub.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3456
    • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
      "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --embedded-browser-webview=1 --webview-exe-name=Unkclub.exe --user-data-dir="C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --mojo-named-platform-channel-pipe=3456.1548.4396504386377854825
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:4728
      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Crashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --annotation=plat=Win64 "--annotation=prod=Edge WebView2" --annotation=ver=132.0.2957.140 --initial-client-data=0x15c,0x160,0x164,0x138,0x16c,0x7ffc5c56b078,0x7ffc5c56b084,0x7ffc5c56b090
        3⤵
          PID:4652
        • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
          "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=gpu-process --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView" --webview-exe-name=Unkclub.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1756,i,8889523014733113913,4876071712684184450,262144 --variations-seed-version --mojo-platform-channel-handle=1732 /prefetch:2
          3⤵
            PID:1776
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView" --webview-exe-name=Unkclub.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2064,i,8889523014733113913,4876071712684184450,262144 --variations-seed-version --mojo-platform-channel-handle=2076 /prefetch:3
            3⤵
              PID:1572
            • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
              "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView" --webview-exe-name=Unkclub.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2404,i,8889523014733113913,4876071712684184450,262144 --variations-seed-version --mojo-platform-channel-handle=2400 /prefetch:8
              3⤵
                PID:4036
              • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=renderer --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView" --webview-exe-name=Unkclub.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --js-flags="--harmony-weak-refs-with-cleanup-some --expose-gc --ms-user-locale=" --always-read-main-dll --field-trial-handle=3604,i,8889523014733113913,4876071712684184450,262144 --variations-seed-version --mojo-platform-channel-handle=3624 /prefetch:1
                3⤵
                  PID:2416

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 ec364abfd50b4c8c52c072b7c63caa9cae7839a7f3dc96400f12f3362076093d
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 ef6b514e39fb1eb8d2afc74bdb3f605085795817fab771ede246e22743900dcd
                  • MD5 SHA1 SHA512 TLSH

                  throttle_store.dat

                  • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Crashpad\throttle_store.dat
                  • Size 20B
                  • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                  • MD5 SHA1 SHA512

                  data_0

                  • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Default\DawnWebGPUCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Default\DawnWebGPUCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Default\DawnWebGPUCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Default\DawnWebGPUCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Default\Extension Rules\MANIFEST-000001
                  • Size 41B
                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                  • MD5 SHA1 SHA512

                  SCT Auditing Pending Reports

                  • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Default\Network\SCT Auditing Pending Reports
                  • Size 2B
                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                  • MD5 SHA1 SHA512

                  CURRENT

                  • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Default\Site Characteristics Database\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  Local State

                  • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Local State
                  • Size 4KB
                  • SHA256 bd4519a6301e5f4e1d27e6e339342bc4dc0a4f9f003ad40076ecd651ab9d3b11
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Local State
                  • Size 1KB
                  • SHA256 c250bddf9aa9d066d40e412bd3589c1e5a2825716dad3f62b512705ceed89d57
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Local State
                  • Size 2KB
                  • SHA256 75159a8a0f15540bb13bc9d5aa28987729849525df063bfe913f486578282387
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Local State
                  • Size 3KB
                  • SHA256 e83e13a7b2587dc1ee7ad5db77225e9c69b80b4ec5de04b221dc3a0b6f4dff58
                  • MD5 SHA1 SHA512 TLSH

                  Local State~RFe584ec7.TMP

                  • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Local State~RFe584ec7.TMP
                  • Size 1KB
                  • SHA256 db851e6bc221c7cfe6a371227986d9bf7a96a57e02ff6f845543f8edd488441c
                  • MD5 SHA1 SHA512 TLSH

                  memory/1776-87-0x00007FFC78C90000-0x00007FFC78C91000-memory.dmp

                  memory/1776-357-0x000001EA80DA0000-0x000001EA80DD0000-memory.dmp

                  memory/2416-203-0x00007FFC78C90000-0x00007FFC78C91000-memory.dmp

                  memory/3456-60-0x00007FFC78AE0000-0x00007FFC78B5F000-memory.dmp

                  memory/3456-3-0x0000000140000000-0x00000001418FD000-memory.dmp

                  memory/3456-17-0x00007FFC79530000-0x00007FFC7956A000-memory.dmp

                  memory/3456-12-0x00007FFC78120000-0x00007FFC78211000-memory.dmp

                  memory/3456-66-0x00000000004E0000-0x00000000004E1000-memory.dmp

                  memory/3456-44-0x00007FFC77A90000-0x00007FFC77AAB000-memory.dmp

                  memory/3456-59-0x00007FFC78AE0000-0x00007FFC78B5F000-memory.dmp

                  memory/3456-0-0x0000000140000000-0x00000001418FD000-memory.dmp

                  memory/3456-57-0x00007FFC78AE0000-0x00007FFC78B5F000-memory.dmp

                  memory/3456-55-0x00007FFC79660000-0x00007FFC79661000-memory.dmp

                  memory/3456-54-0x0000000140010000-0x0000000140B30000-memory.dmp

                  memory/3456-49-0x00007FFC77000000-0x00007FFC77026000-memory.dmp

                  memory/3456-358-0x0000000002390000-0x0000000003C8D000-memory.dmp

                  memory/3456-1-0x0000000140000000-0x00000001418FD000-memory.dmp

                  memory/3456-39-0x00007FFC79610000-0x00007FFC79625000-memory.dmp

                  memory/3456-22-0x00007FFC6E520000-0x00007FFC6E52A000-memory.dmp

                  memory/3456-28-0x00007FFC78400000-0x00007FFC7841C000-memory.dmp

                  memory/3456-33-0x0000000002390000-0x0000000003C8D000-memory.dmp

                  memory/3456-6-0x0000000140C90000-0x0000000141520000-memory.dmp

                  memory/3456-5-0x0000000140000000-0x00000001418FD000-memory.dmp

                  memory/3456-4-0x0000000140000000-0x00000001418FD000-memory.dmp

                  memory/3456-34-0x00007FFC78AE0000-0x00007FFC78B5F000-memory.dmp

                  memory/3456-252-0x0000000140C90000-0x0000000141520000-memory.dmp

                  memory/3456-254-0x0000000140C90000-0x0000000141520000-memory.dmp

                  memory/3456-253-0x0000000140C90000-0x0000000141520000-memory.dmp

                  memory/3456-251-0x0000000140C90000-0x0000000141520000-memory.dmp

                  memory/3456-248-0x0000000140C90000-0x0000000141520000-memory.dmp

                  memory/3456-250-0x00007FFC78400000-0x00007FFC7841C000-memory.dmp

                  memory/3456-249-0x00007FFC78400000-0x00007FFC7841C000-memory.dmp

                  memory/3456-260-0x0000000140C90000-0x0000000141520000-memory.dmp

                  memory/3456-247-0x0000000140C90000-0x0000000141520000-memory.dmp

                  memory/3456-259-0x0000000140C90000-0x0000000141520000-memory.dmp

                  memory/3456-258-0x0000000140C90000-0x0000000141520000-memory.dmp

                  memory/3456-256-0x0000000140C90000-0x0000000141520000-memory.dmp

                  memory/3456-246-0x0000000140C90000-0x0000000141520000-memory.dmp

                  memory/3456-257-0x0000000140C90000-0x0000000141520000-memory.dmp

                  memory/3456-255-0x0000000140C90000-0x0000000141520000-memory.dmp

                  memory/3456-268-0x0000000141520000-0x0000000141530000-memory.dmp

                  memory/3456-348-0x0000000140000000-0x00000001418FD000-memory.dmp

                  memory/3456-2-0x0000000140000000-0x00000001418FD000-memory.dmp

                  memory/4036-137-0x00007FFC782C0000-0x00007FFC782C1000-memory.dmp

                  memory/4036-138-0x00007FFC78E10000-0x00007FFC78E11000-memory.dmp