Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 15:52

General

  • Target
    Unkclub.exe
  • Size 12.5MB
  • Sample260623-tbcatad15j
  • 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 6 IoCs
  • Drops file in Windows directory 4 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 18 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:1464
    • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
      "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\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 --enable-features=MojoIpcz --mojo-named-platform-channel-pipe=1464.952.17007684410892168291 /pfhostedapp:6206649e326b8609bd1d6789d058270167f1417d
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:1892
      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView /prefetch:4 /pfhostedapp:6206649e326b8609bd1d6789d058270167f1417d --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Crashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=122.0.6261.139 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --annotation=plat=Win64 "--annotation=prod=Edge WebView2" --annotation=ver=122.0.2365.106 --initial-client-data=0x184,0x188,0x18c,0x160,0x194,0x7ffc919a5fd8,0x7ffc919a5fe4,0x7ffc919a5ff0
        3⤵
          PID:2196
        • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
          "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=gpu-process --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 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1912 --field-trial-handle=1920,i,13954274704297321522,7433159844664375165,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:2 /pfhostedapp:6206649e326b8609bd1d6789d058270167f1417d
          3⤵
            PID:3352
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --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 --no-appcompat-clear --mojo-platform-channel-handle=2220 --field-trial-handle=1920,i,13954274704297321522,7433159844664375165,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:3 /pfhostedapp:6206649e326b8609bd1d6789d058270167f1417d
            3⤵
              PID:616
            • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
              "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --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 --no-appcompat-clear --mojo-platform-channel-handle=2328 --field-trial-handle=1920,i,13954274704297321522,7433159844664375165,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:6206649e326b8609bd1d6789d058270167f1417d
              3⤵
                PID:5324
              • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
                "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=renderer --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 --no-appcompat-clear --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=" --mojo-platform-channel-handle=3512 --field-trial-handle=1920,i,13954274704297321522,7433159844664375165,262144 --enable-features=MojoIpcz --variations-seed-version /pfhostedapp:6206649e326b8609bd1d6789d058270167f1417d /prefetch:1
                3⤵
                  PID:5968
                • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe
                  "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\msedgewebview2.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --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 --no-appcompat-clear --mojo-platform-channel-handle=4232 --field-trial-handle=1920,i,13954274704297321522,7433159844664375165,262144 --enable-features=MojoIpcz --variations-seed-version /prefetch:8 /pfhostedapp:6206649e326b8609bd1d6789d058270167f1417d
                  3⤵
                    PID:1768

              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 7cd2076d4de285fca49c1fca22108c20b13919ea215ed5049fa8a51b9f5cccd8
                    • MD5 SHA1 SHA512 TLSH

                    settings.dat

                    • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 132474f567c3b433e8bc530bd90ff3b645ce7d48db5c266c42e7a919e9285f1c
                    • MD5 SHA1 SHA512

                    throttle_store.dat

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

                    15ee9750-6e24-4f37-a46e-478bf1f51507.tmp

                    • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Default\15ee9750-6e24-4f37-a46e-478bf1f51507.tmp
                    • Size 5KB
                    • SHA256 b6a72c5e0764dbb10dbd50c70d4a3bd7739fb80efe39308628c120a359bd7636
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    data_1

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

                    CURRENT

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

                    MANIFEST-000001

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

                    Network Persistent State

                    • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Default\Network\Network Persistent State
                    • Size 111B
                    • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                    • MD5 SHA1 SHA512 TLSH

                    Network Persistent State~RFe5a22ac.TMP

                    • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Default\Network\Network Persistent State~RFe5a22ac.TMP
                    • Size 59B
                    • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                    • MD5 SHA1 SHA512 TLSH

                    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

                    Preferences

                    • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Default\Preferences
                    • Size 6KB
                    • SHA256 94607a0e7e18f1830de92cdac10aa53b7b7d0f4a2e5567a60d8643fa04ea3e97
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    data_0

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

                    data_2

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

                    data_3

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

                    Local State

                    • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Local State
                    • Size 1KB
                    • SHA256 0c0044ee9fd2f787a2872281b1bb80c59a82fc1fb585b0b1ddad84974441e62f
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Local State
                    • Size 4KB
                    • SHA256 9790250f0f01a2e51fc1d96e09dc248f721c804380a954234db7185b7dc82bc2
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Local State
                    • Size 2KB
                    • SHA256 0c0527b3fee95828c947fdfc8dc4a4192ede12bda35180a3e7889cc3d2773d80
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Local State
                    • Size 3KB
                    • SHA256 783bc753b39498a080e2ee0b98d9f047cbc755055005640f775781f2282884a2
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Local State
                    • Size 4KB
                    • SHA256 ef75b51289ffabc1c28c6526b6b29485c65e6376df85ce42fa4730f0c435ed2f
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State

                    • Path C:\Users\Admin\AppData\Roaming\Unkclub.exe\EBWebView\Local State
                    • Size 17KB
                    • SHA256 bb80a74774ade731cd84545d5c061473890353465165d6fc2f59b60b5236d95a
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    memory/1464-40-0x00007FFCB3DE0000-0x00007FFCB3DED000-memory.dmp

                    memory/1464-194-0x0000000140C90000-0x0000000141520000-memory.dmp

                    memory/1464-75-0x0000000001F70000-0x0000000001F71000-memory.dmp

                    memory/1464-17-0x00007FFCB2D60000-0x00007FFCB2DF9000-memory.dmp

                    memory/1464-22-0x00007FFCADD00000-0x00007FFCADD0B000-memory.dmp

                    memory/1464-29-0x00007FFCB32F0000-0x00007FFCB3302000-memory.dmp

                    memory/1464-2-0x0000000140000000-0x00000001418FD000-memory.dmp

                    memory/1464-34-0x0000000002480000-0x0000000003D7D000-memory.dmp

                    memory/1464-35-0x00007FFCB2AD0000-0x00007FFCB2B36000-memory.dmp

                    memory/1464-0-0x0000000140000000-0x00000001418FD000-memory.dmp

                    memory/1464-58-0x00007FFCB3EB0000-0x00007FFCB3EB1000-memory.dmp

                    memory/1464-1-0x0000000140000000-0x00000001418FD000-memory.dmp

                    memory/1464-60-0x00007FFCB2AD0000-0x00007FFCB2B36000-memory.dmp

                    memory/1464-62-0x00007FFCB2AD0000-0x00007FFCB2B36000-memory.dmp

                    memory/1464-55-0x0000000140010000-0x0000000140B30000-memory.dmp

                    memory/1464-57-0x00007FFCB2AD0000-0x00007FFCB2B36000-memory.dmp

                    memory/1464-209-0x0000000140C90000-0x0000000141520000-memory.dmp

                    memory/1464-204-0x0000000140C90000-0x0000000141520000-memory.dmp

                    memory/1464-45-0x00007FFCB3C00000-0x00007FFCB3C24000-memory.dmp

                    memory/1464-201-0x0000000140C90000-0x0000000141520000-memory.dmp

                    memory/1464-202-0x0000000140C90000-0x0000000141520000-memory.dmp

                    memory/1464-196-0x0000000140C90000-0x0000000141520000-memory.dmp

                    memory/1464-206-0x0000000140C90000-0x0000000141520000-memory.dmp

                    memory/1464-207-0x0000000140C90000-0x0000000141520000-memory.dmp

                    memory/1464-208-0x0000000140C90000-0x0000000141520000-memory.dmp

                    memory/1464-203-0x0000000140C90000-0x0000000141520000-memory.dmp

                    memory/1464-199-0x0000000140C90000-0x0000000141520000-memory.dmp

                    memory/1464-200-0x0000000140C90000-0x0000000141520000-memory.dmp

                    memory/1464-197-0x00007FFCB32F0000-0x00007FFCB3302000-memory.dmp

                    memory/1464-198-0x00007FFCB32F0000-0x00007FFCB3302000-memory.dmp

                    memory/1464-195-0x0000000140C90000-0x0000000141520000-memory.dmp

                    memory/1464-13-0x00007FFCB3AA0000-0x00007FFCB3BA3000-memory.dmp

                    memory/1464-50-0x00007FFCB1BD0000-0x00007FFCB1BF6000-memory.dmp

                    memory/1464-231-0x0000000141520000-0x0000000141530000-memory.dmp

                    memory/1464-280-0x0000000140000000-0x00000001418FD000-memory.dmp

                    memory/1464-281-0x0000000002480000-0x0000000003D7D000-memory.dmp

                    memory/1464-6-0x0000000140C90000-0x0000000141520000-memory.dmp

                    memory/1464-3-0x0000000140000000-0x00000001418FD000-memory.dmp

                    memory/1464-5-0x0000000140000000-0x00000001418FD000-memory.dmp

                    memory/1464-4-0x0000000140000000-0x00000001418FD000-memory.dmp

                    memory/1768-340-0x00007FFCB3380000-0x00007FFCB3381000-memory.dmp

                    memory/1768-339-0x00007FFCB3BB0000-0x00007FFCB3BB1000-memory.dmp

                    memory/3352-92-0x00007FFCB2FD0000-0x00007FFCB2FD1000-memory.dmp

                    memory/5968-164-0x00007FFCB2FD0000-0x00007FFCB2FD1000-memory.dmp