Analysis

  • user interaction
    yes
  • max time kernel
    15s
  • max time network
    17s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/08/2026, 14:29

General

  • Target
    http://release-assets.githubusercontent.com/github-production-release-asset/184456251/56fcff65-2dee-4dcc-9bae-c653363ba93d
  • Sample260804-rtz4gscc59
Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file 1 IoCs
  • 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 5 IoCs
  • Suspicious use of FindShellTrayWindow 42 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 29 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://release-assets.githubusercontent.com/github-production-release-asset/184456251/56fcff65-2dee-4dcc-9bae-c653363ba93d
    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:2864
    • 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,0x240,0x234,0x254,0x7ffaf801c188,0x7ffaf801c194,0x7ffaf801c1a0
      2⤵
        PID:4296
      • 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=1868,i,7339581148816251480,10867324258151660882,524288 --field-trial-handle=2344,i,1814604750705665665,15723907267062842614,262144 --variations-seed-version --mojo-platform-channel-handle=2368 /prefetch:3
        2⤵
        • Downloads MZ/PE file
        • System Time Discovery
        PID:4312
      • 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=1620,i,16712573494027368558,1981963157609061627,262144 --field-trial-handle=2344,i,1814604750705665665,15723907267062842614,262144 --variations-seed-version --mojo-platform-channel-handle=2272 /prefetch:2
        2⤵
          PID:4792
        • 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 --no-pre-read-main-dll --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=2408,i,3393547210794039703,9894633852675880608,524288 --field-trial-handle=2344,i,1814604750705665665,15723907267062842614,262144 --variations-seed-version --mojo-platform-channel-handle=2456 /prefetch:8
          2⤵
            PID:4400
          • 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=3448,i,11103214938304378954,18394926618329195546,2097152 --field-trial-handle=2344,i,1814604750705665665,15723907267062842614,262144 --variations-seed-version --mojo-platform-channel-handle=3476 /prefetch:1
            2⤵
              PID:4276
            • 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=3452,i,5271475681978274849,12754790042342485164,2097152 --field-trial-handle=2344,i,1814604750705665665,15723907267062842614,262144 --variations-seed-version --mojo-platform-channel-handle=3504 /prefetch:1
              2⤵
                PID:4960
              • 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=7 --always-read-main-dll --metrics-shmem-handle=4208,i,11079641190436984602,5751094769325605826,2097152 --field-trial-handle=2344,i,1814604750705665665,15723907267062842614,262144 --variations-seed-version --mojo-platform-channel-handle=4224 /prefetch:1
                2⤵
                  PID:4416
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --extension-process --renderer-sub-type=extension --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=8 --always-read-main-dll --metrics-shmem-handle=4244,i,15092804329717035724,16124853985694071344,2097152 --field-trial-handle=2344,i,1814604750705665665,15723907267062842614,262144 --variations-seed-version --mojo-platform-channel-handle=4296 /prefetch:2
                  2⤵
                    PID:1340
                  • 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=5072,i,2618162260378604450,2639375337921931120,524288 --field-trial-handle=2344,i,1814604750705665665,15723907267062842614,262144 --variations-seed-version --mojo-platform-channel-handle=5140 /prefetch:8
                    2⤵
                      PID:3736
                    • 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=5080,i,15389256902318959644,6836625919291636713,524288 --field-trial-handle=2344,i,1814604750705665665,15723907267062842614,262144 --variations-seed-version --mojo-platform-channel-handle=5164 /prefetch:8
                      2⤵
                        PID:4464
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --lang=en-US --service-sandbox-type=collections --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5644,i,14532642850345217138,2244035143987751316,524288 --field-trial-handle=2344,i,1814604750705665665,15723907267062842614,262144 --variations-seed-version --mojo-platform-channel-handle=5640 /prefetch:8
                        2⤵
                          PID:4892
                        • 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 --disable-gpu-compositing --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=12 --always-read-main-dll --metrics-shmem-handle=5668,i,16721220368797652589,17079626643335711333,2097152 --field-trial-handle=2344,i,1814604750705665665,15723907267062842614,262144 --variations-seed-version --mojo-platform-channel-handle=5708 /prefetch:1
                          2⤵
                            PID:1764
                          • 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=6416,i,11803892807095386833,13688493030182920141,524288 --field-trial-handle=2344,i,1814604750705665665,15723907267062842614,262144 --variations-seed-version --mojo-platform-channel-handle=6452 /prefetch:8
                            2⤵
                              PID:3460
                            • 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=6416,i,11803892807095386833,13688493030182920141,524288 --field-trial-handle=2344,i,1814604750705665665,15723907267062842614,262144 --variations-seed-version --mojo-platform-channel-handle=6452 /prefetch:8
                              2⤵
                                PID:1800
                            • 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:5040

                              Network

                                    MITRE ATT&CK Enterprise v16

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    blocklist

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Ad Blocking\blocklist
                                    • Size 105KB
                                    • SHA256 aa0d78ec9cd90e7c6714bdce5235de1fc6b7c3088a6cd8f6e6d2c1cebea7d661
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    settings.dat

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                    • Size 280B
                                    • SHA256 3eacdfce7dc5d437b4447cf27ab297d2d39d13a22d53487691f060212cddb6b2
                                    • MD5 SHA1 SHA512 TLSH

                                    settings.dat

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                    • Size 280B
                                    • SHA256 7aa2bb81937fdcdafd5d33143cfe61093f5233469b36757de171e12cc0c6215f
                                    • MD5 SHA1 SHA512 TLSH

                                    BookmarkMergedSurfaceOrdering

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

                                    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

                                    Edge Profile.ico

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Edge Profile.ico
                                    • Size 70KB
                                    • SHA256 31a226211c491e1b0832d4cd3cf34d97165e24a7ce4ec655259cd188f3a2bd88
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Network Persistent State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Network Persistent State
                                    • Size 111B
                                    • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                                    • MD5 SHA1 SHA512 TLSH

                                    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

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                    • Size 12KB
                                    • SHA256 649167d322cee399e00fd6ac9512458fc23d974e75959c970bcbc32393f35e3c
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Secure Preferences

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                    • Size 30KB
                                    • SHA256 37d80079ead181933d096622bd83f6e970b1d843c0a767818ab0e1bb12af8ff2
                                    • 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 6KB
                                    • SHA256 815b4aa562282d795007fe044ffaa06c20ebfab1e0b130ed41e84fc2d17673b8
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                    • Size 20KB
                                    • SHA256 4170e5b3169112336d0f9f6b60f91d26bc934931a494dc29e23c5519566161ba
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                    • Size 8KB
                                    • SHA256 a6b907d8204d91fd2422105853aa84b5ef81081da57f8e940b482db55ee0efe1
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                    • Size 8KB
                                    • SHA256 8fccccd5fe0481e4fc92a4c5248f364677216e2d4a17469d57dd34dbb15a4718
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres
                                    • Size 2KB
                                    • SHA256 f7739b818fce908fbfed87f0259b71559c8babbf8f9a93d58726dab12429ef18
                                    • MD5 SHA1 SHA512 TLSH