Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 12:18

General

  • Target
    doomsday.exe
  • Size 7.3MB
  • Sample260522-pg4vssdt2t
  • SHA256 6830e99b73ccce93162b94acd090226d1e1ef1a6b234759e0946805bca26afd2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

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

    Attempt to gather information on host network.

  • Drops file in Windows directory 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\doomsday.exe
    "C:\Users\Admin\AppData\Local\Temp\doomsday.exe"
    1⤵
    • Checks whether UAC is enabled
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1268
    • 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=doomsday.exe --webview-exe-version=3.0.0 --user-data-dir="C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --autoplay-policy=no-user-gesture-required --disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection --lang=en-US --mojo-named-platform-channel-pipe=1268.2228.11404684414612955278
      2⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:1784
      • 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\Local\com.doomsday.optimizer\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\com.doomsday.optimizer\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=0x160,0x164,0x168,0x13c,0x170,0x7ffe5e6db078,0x7ffe5e6db084,0x7ffe5e6db090
        3⤵
          PID:4424
        • 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\Local\com.doomsday.optimizer\EBWebView" --webview-exe-name=doomsday.exe --webview-exe-version=3.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1732,i,8336142703174252675,6463660891961173188,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=1380 /prefetch:2
          3⤵
            PID:1864
          • 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\Local\com.doomsday.optimizer\EBWebView" --webview-exe-name=doomsday.exe --webview-exe-version=3.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=1904,i,8336142703174252675,6463660891961173188,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2044 /prefetch:11
            3⤵
              PID:552
            • 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\Local\com.doomsday.optimizer\EBWebView" --webview-exe-name=doomsday.exe --webview-exe-version=3.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=1736,i,8336142703174252675,6463660891961173188,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=2312 /prefetch:13
              3⤵
                PID:1824
              • 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\Local\com.doomsday.optimizer\EBWebView" --webview-exe-name=doomsday.exe --webview-exe-version=3.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --autoplay-policy=no-user-gesture-required --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=3556,i,8336142703174252675,6463660891961173188,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=3564 /prefetch:1
                3⤵
                  PID:1412
                • 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 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.22000.1 --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView" --webview-exe-name=doomsday.exe --webview-exe-version=3.0.0 --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADoAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAABCAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=4404,i,8336142703174252675,6463660891961173188,262144 --disable-features=msPdfOOUI,msSmartScreenProtection,msWebOOUI --variations-seed-version --mojo-platform-channel-handle=4264 /prefetch:10
                  3⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:2404

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 23a855af3948d2ba43f27992f988831e15d2b44d86023d2d984cd6f4f4335a5c
                  • MD5 SHA1 SHA512

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 cdf0bdf3854bf4231fc641f3cf11c1e5f1880ebedf6200c95eea1e94cd7f1f6e
                  • MD5 SHA1 SHA512 TLSH

                  throttle_store.dat

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Crashpad\throttle_store.dat
                  • Size 20B
                  • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                  • MD5 SHA1 SHA512

                  3758c2c9-0a10-40e8-a5f9-7db39ac01af4.tmp

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Default\3758c2c9-0a10-40e8-a5f9-7db39ac01af4.tmp
                  • Size 6KB
                  • SHA256 d6c34d6273bba66c39d4fab0f5cc305f33da970be7f1e3c3cfb817dcf85439e4
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 72B
                  • SHA256 be2231c6c1233670f9fa8fa3516695893e7c47303481d0eff9f49b6cf9e00146
                  • MD5 SHA1 SHA512 TLSH

                  the-real-index~RFe58a1b9.TMP

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Default\Code Cache\js\index-dir\the-real-index~RFe58a1b9.TMP
                  • Size 48B
                  • SHA256 f2d22e58e7104e37c0e56811dec3b67ea1ecc782ddd69af3d346638ff02f7dff
                  • MD5 SHA1 SHA512

                  data_0

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Default\DawnWebGPUCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Default\DawnWebGPUCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Default\DawnWebGPUCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Default\DawnWebGPUCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Default\Extension Rules\MANIFEST-000001
                  • Size 41B
                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                  • MD5 SHA1 SHA512

                  Network Persistent State

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Default\Network\Network Persistent State
                  • Size 821B
                  • SHA256 8d59c55676100170543760bb55c00b5f85d53e89d594d446e9be9db0392812a3
                  • MD5 SHA1 SHA512 TLSH

                  Network Persistent State~RFe59647d.TMP

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Default\Network\Network Persistent State~RFe59647d.TMP
                  • Size 59B
                  • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                  • MD5 SHA1 SHA512 TLSH

                  SCT Auditing Pending Reports

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Default\Network\SCT Auditing Pending Reports
                  • Size 2B
                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                  • MD5 SHA1 SHA512

                  Preferences

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Default\Preferences
                  • Size 6KB
                  • SHA256 e91bfd2e1c7ada9ed26a1e315764158d5e066cce096b3338d099dda468dc119e
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  CURRENT

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Default\Site Characteristics Database\CURRENT
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Local State
                  • Size 1KB
                  • SHA256 b6343861c940e0f9d07363c39bd2a5cb388d6a56c2c6a21b281cd56cfeecf079
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Local State
                  • Size 2KB
                  • SHA256 6f99a6ce69775cddfd58893ec051a980419ca2c5acf3f30278d5a8cfc212aa37
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Local State
                  • Size 3KB
                  • SHA256 85f2e0312a63666e2fa8ef2bc0c2d5e20923c32fe471973e4bd14c8a0c1dfaa7
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Local State
                  • Size 16KB
                  • SHA256 94bd71252a2efc019fc935ad9b19221829814a38d720181bd02b49f43fdec17c
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Local State
                  • Size 16KB
                  • SHA256 8790a35fc9971fcbb8de132d49ccb8e6f91dc11141cb14b5cfaf27e051c67af8
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State~RFe584bba.TMP

                  • Path C:\Users\Admin\AppData\Local\com.doomsday.optimizer\EBWebView\Local State~RFe584bba.TMP
                  • Size 1KB
                  • SHA256 2566aef1eb9d89002533cdc53d13bb77b7f52a2f4e353a557b5b90643eb13e4f
                  • MD5 SHA1 SHA512 TLSH

                  memory/1412-123-0x00007FFE7DFC0000-0x00007FFE7DFC1000-memory.dmp

                  memory/1412-221-0x000002AC5F610000-0x000002AC5F6AE000-memory.dmp

                  memory/1864-219-0x0000022FB6940000-0x0000022FB69DE000-memory.dmp

                  memory/1864-25-0x00007FFE7DFC0000-0x00007FFE7DFC1000-memory.dmp

                  memory/2404-327-0x0000017B5E510000-0x0000017B5E511000-memory.dmp

                  memory/2404-329-0x0000017B5E510000-0x0000017B5E511000-memory.dmp

                  memory/2404-328-0x0000017B5E510000-0x0000017B5E511000-memory.dmp

                  memory/2404-334-0x0000017B5E510000-0x0000017B5E511000-memory.dmp

                  memory/2404-339-0x0000017B5E510000-0x0000017B5E511000-memory.dmp

                  memory/2404-338-0x0000017B5E510000-0x0000017B5E511000-memory.dmp

                  memory/2404-337-0x0000017B5E510000-0x0000017B5E511000-memory.dmp

                  memory/2404-336-0x0000017B5E510000-0x0000017B5E511000-memory.dmp

                  memory/2404-335-0x0000017B5E510000-0x0000017B5E511000-memory.dmp

                  memory/2404-333-0x0000017B5E510000-0x0000017B5E511000-memory.dmp