Analysis

  • user interaction
    yes
  • max time kernel
    16s
  • max time network
    15s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    13/08/2026, 03:04

General

  • Target
    https://mdpj.jp/prelude/ihc2026/index.cfm?lang=eng
  • Sample260813-dk2dasywew
Score
3/10

Malware Config

Signatures

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Time Discovery 1 TTPs 1 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://mdpj.jp/prelude/ihc2026/index.cfm?lang=eng
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4828
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=139.0.7258.155 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=139.0.3405.125 --initial-client-data=0x238,0x23c,0x240,0x234,0x248,0x7ffcff25c188,0x7ffcff25c194,0x7ffcff25c1a0
      2⤵
        PID:5344
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-pre-read-main-dll --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=1968,i,16437776414603125696,6192744764021152024,524288 --field-trial-handle=2184,i,15047422980280396777,14391857164135987734,262144 --variations-seed-version --mojo-platform-channel-handle=2288 /prefetch:3
        2⤵
        • System Time Discovery
        PID:3328
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --always-read-main-dll --metrics-shmem-handle=1648,i,11405527095819371999,3271268561562040581,262144 --field-trial-handle=2184,i,15047422980280396777,14391857164135987734,262144 --variations-seed-version --mojo-platform-channel-handle=2180 /prefetch:2
        2⤵
          PID:5584
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=2572,i,13730436802255077257,16933709663106619896,524288 --field-trial-handle=2184,i,15047422980280396777,14391857164135987734,262144 --variations-seed-version --mojo-platform-channel-handle=2740 /prefetch:8
          2⤵
            PID:5672
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --always-read-main-dll --metrics-shmem-handle=3408,i,2454413577186068033,6624687306820980420,2097152 --field-trial-handle=2184,i,15047422980280396777,14391857164135987734,262144 --variations-seed-version --mojo-platform-channel-handle=3488 /prefetch:1
            2⤵
              PID:5888
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --pdf-upsell-enabled --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --always-read-main-dll --metrics-shmem-handle=3412,i,2292146477622657563,6207029264111920765,2097152 --field-trial-handle=2184,i,15047422980280396777,14391857164135987734,262144 --variations-seed-version --mojo-platform-channel-handle=3440 /prefetch:1
              2⤵
                PID:5856
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5056,i,5717870405511584529,5861187964674173551,524288 --field-trial-handle=2184,i,15047422980280396777,14391857164135987734,262144 --variations-seed-version --mojo-platform-channel-handle=4932 /prefetch:8
                2⤵
                  PID:4888
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --onnx-enabled-for-ee --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5060,i,11160285843680747213,15268555876225815651,524288 --field-trial-handle=2184,i,15047422980280396777,14391857164135987734,262144 --variations-seed-version --mojo-platform-channel-handle=5084 /prefetch:8
                  2⤵
                    PID:1536
                  • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5524,i,12852281103415867774,995309469205921756,524288 --field-trial-handle=2184,i,15047422980280396777,14391857164135987734,262144 --variations-seed-version --mojo-platform-channel-handle=5752 /prefetch:8
                    2⤵
                      PID:4852
                    • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5524,i,12852281103415867774,995309469205921756,524288 --field-trial-handle=2184,i,15047422980280396777,14391857164135987734,262144 --variations-seed-version --mojo-platform-channel-handle=5752 /prefetch:8
                      2⤵
                        PID:3956
                    • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
                      1⤵
                        PID:4956
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window --win-session-start
                        1⤵
                          PID:2548

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              settings.dat

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                              • Size 280B
                              • SHA256 9300dc4b11c647d4484e20f994dffbbd9939379d590fc7dedf9875372c431ce1
                              • MD5 SHA1 SHA512 TLSH

                              settings.dat

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                              • Size 280B
                              • SHA256 8da58a9b03c676d64167caf3657c5315a0b78038e3ae23bfef432a40d8d22290
                              • MD5 SHA1 SHA512 TLSH

                              BookmarkMergedSurfaceOrdering

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\BookmarkMergedSurfaceOrdering
                              • Size 6B
                              • SHA256 4489f9e3e454748b3521eb214e0a5694d562cff3d9ff511cb456953c8f534c00
                              • MD5 SHA1 SHA512

                              BrowsingTopicsState

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\BrowsingTopicsState
                              • Size 414B
                              • SHA256 0dfc6b91b15f02fcee34980589e6be88b40af77641c093ac978cfd7e2656fc34
                              • MD5 SHA1 SHA512 TLSH

                              SiteList-Enterprise.json

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\DualEngine\SiteList-Enterprise.json
                              • Size 2B
                              • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
                              • MD5 SHA1 SHA512

                              SCT Auditing Pending Reports

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports
                              • Size 2B
                              • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                              • MD5 SHA1 SHA512

                              Sdch Dictionaries

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries
                              • Size 40B
                              • SHA256 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
                              • MD5 SHA1 SHA512

                              Preferences

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                              • Size 15KB
                              • SHA256 b69d04a33e80b8b4c9206a86226f685a20172f840cbfbf4c1a24253e98089d59
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              Secure Preferences

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                              • Size 30KB
                              • SHA256 d3ed28410c95bcdd49b775e999633ec95a9fd79e43121075d441a0e078c22041
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              sync_diagnostic.log

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Data\Logs\sync_diagnostic.log
                              • Size 23KB
                              • SHA256 9b89073a503db1c4f69fd165cc7f06a1e6f60f36ce0ab9a5c1e08093445300cd
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              CURRENT

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Extension Settings\ghbmnnjooekpmoecnnnilnnbdlolhkhi\CURRENT
                              • Size 16B
                              • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                              • MD5 SHA1 SHA512

                              MANIFEST-000001

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Extension Settings\ghbmnnjooekpmoecnnnilnnbdlolhkhi\MANIFEST-000001
                              • Size 41B
                              • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                              • MD5 SHA1 SHA512

                              Local State

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                              • Size 25KB
                              • SHA256 86066e2b05d2e8ebdf21fe954e959daa231ea7d3f5fe1f5be0c5f2fd6d60f0f4
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              Local State

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                              • Size 28KB
                              • SHA256 fe746b034c1f0f9849e7e9082a7ed9ca20011cbf73db09948a9124666073f68a
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              Local State

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                              • Size 25KB
                              • SHA256 9b6e3ef7fe2e8095e17d17f548e075bb5e9fe2e8d71a934984026387da8791a4
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres

                              • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres
                              • Size 2KB
                              • SHA256 d4dc612a54861162c638aee2dfe7cd89de7bb4f6394273f57cdbdabf4b5b4a32
                              • MD5 SHA1 SHA512 TLSH