Analysis

  • user interaction
    yes
  • max time kernel
    8s
  • max time network
    9s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/09/2026, 09:07

General

  • Target
    http://steam.com
  • Sample260910-k3bc6atxcy
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 6 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 30 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://steam.com
    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:2472
    • 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,0x240,0x234,0x264,0x7ffd51ddc188,0x7ffd51ddc194,0x7ffd51ddc1a0
      2⤵
        PID:4196
      • 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=1828,i,7366324164125382852,8480987413701666495,262144 --field-trial-handle=2208,i,11108937046768195794,815531887116352665,262144 --variations-seed-version --mojo-platform-channel-handle=2204 /prefetch:2
        2⤵
          PID:2072
        • 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=2004,i,3681959798357351428,3587521568166130546,524288 --field-trial-handle=2208,i,11108937046768195794,815531887116352665,262144 --variations-seed-version --mojo-platform-channel-handle=2328 /prefetch:3
          2⤵
          • System Time Discovery
          PID:4940
        • 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=2464,i,285435446119717770,7161516541581636188,524288 --field-trial-handle=2208,i,11108937046768195794,815531887116352665,262144 --variations-seed-version --mojo-platform-channel-handle=3084 /prefetch:8
          2⤵
            PID:3756
          • 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=3456,i,547767383707823857,5106092382695173008,2097152 --field-trial-handle=2208,i,11108937046768195794,815531887116352665,262144 --variations-seed-version --mojo-platform-channel-handle=3496 /prefetch:1
            2⤵
              PID:3692
            • 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=3452,i,6654034095138918835,14632896942003411549,2097152 --field-trial-handle=2208,i,11108937046768195794,815531887116352665,262144 --variations-seed-version --mojo-platform-channel-handle=3508 /prefetch:1
              2⤵
                PID:3496
              • 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=4144,i,12544537001499689506,13270843640093120603,2097152 --field-trial-handle=2208,i,11108937046768195794,815531887116352665,262144 --variations-seed-version --mojo-platform-channel-handle=4220 /prefetch:1
                2⤵
                  PID:4912
                • 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=4176,i,14905256885997993652,10415709173812923889,2097152 --field-trial-handle=2208,i,11108937046768195794,815531887116352665,262144 --variations-seed-version --mojo-platform-channel-handle=4240 /prefetch:2
                  2⤵
                    PID:1424
                  • 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=9 --always-read-main-dll --metrics-shmem-handle=5084,i,15086384105173614488,9691465175565406285,2097152 --field-trial-handle=2208,i,11108937046768195794,815531887116352665,262144 --variations-seed-version --mojo-platform-channel-handle=3968 /prefetch:1
                    2⤵
                      PID:4132
                    • 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=10 --always-read-main-dll --metrics-shmem-handle=3512,i,9981837948063232159,3293332312151200359,2097152 --field-trial-handle=2208,i,11108937046768195794,815531887116352665,262144 --variations-seed-version --mojo-platform-channel-handle=3564 /prefetch:1
                      2⤵
                        PID:636
                      • 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=3304,i,10411534077929900995,3645991721524222048,524288 --field-trial-handle=2208,i,11108937046768195794,815531887116352665,262144 --variations-seed-version --mojo-platform-channel-handle=5272 /prefetch:8
                        2⤵
                          PID:3512
                        • 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=3456,i,16699812250297883158,9230387081724999267,524288 --field-trial-handle=2208,i,11108937046768195794,815531887116352665,262144 --variations-seed-version --mojo-platform-channel-handle=5276 /prefetch:8
                          2⤵
                            PID:5100
                          • 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=6036,i,4153183368478732966,12661596786510922823,524288 --field-trial-handle=2208,i,11108937046768195794,815531887116352665,262144 --variations-seed-version --mojo-platform-channel-handle=6052 /prefetch:8
                            2⤵
                              PID:1396
                            • 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=6036,i,4153183368478732966,12661596786510922823,524288 --field-trial-handle=2208,i,11108937046768195794,815531887116352665,262144 --variations-seed-version --mojo-platform-channel-handle=6052 /prefetch:8
                              2⤵
                                PID:2576
                            • 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:5104

                              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 a6673ce49b12fdcbb7d76835e1b016504a29767f7212d8e801c405cb7104ab24
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    settings.dat

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                    • Size 280B
                                    • SHA256 22df140cf27633bb5a5cfb41856accaa97390f0e68ea50ce283a05244e70c75e
                                    • MD5 SHA1 SHA512 TLSH

                                    settings.dat

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                    • Size 280B
                                    • SHA256 cd640af4b18734f838b65cd3f2b65e25dc669e7cc487a16f826240b353446af4
                                    • MD5 SHA1 SHA512 TLSH

                                    settings.dat

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                    • Size 280B
                                    • SHA256 85f865adbe5e58c0596a4db9b9daa509b8e2bd087dbcc9a01a5a095a266757bc
                                    • MD5 SHA1 SHA512 TLSH

                                    BookmarkMergedSurfaceOrdering

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

                                    the-real-index

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                    • Size 3KB
                                    • SHA256 0966082949dd1c4ce31bde199701c4a618c2d82b834c484b6b589d0ad6a2390a
                                    • MD5 SHA1 SHA512 TLSH

                                    the-real-index~RFe581604.TMP

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index~RFe581604.TMP
                                    • Size 3KB
                                    • SHA256 a860b6f911530b9cf67719553a8632e7818e140f1e4f07bbf83f5af83b4224d0
                                    • 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

                                    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 949B
                                    • SHA256 a5dc0dfcd553737e174f163e43618ce72d06fc1251c9e161131f5a68fbfc62a7
                                    • 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 13KB
                                    • SHA256 e1a5abf098054038cb10830f6dd9541a0810eb65769ad96831603dcf45e6afd7
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Secure Preferences

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                    • Size 30KB
                                    • SHA256 2c98e7d1250533e2cf981b2f0e9ebe1b7086147ff2373bda507fdc20c78a6a68
                                    • 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 4KB
                                    • SHA256 f5a38d51048b0e8fe92f0861a1b0c6beb0aa02a6f3de43d4d52edebec7655175
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                    • Size 8KB
                                    • SHA256 5610143d88417ffd7d984f1a333f381e74d0e712ca5a799f10f99c852296b61e
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                    • Size 24KB
                                    • SHA256 1d53401de506bbdb59a45c191ee70dff597686452ea264f46ac59000d464b31f
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                    • Size 8KB
                                    • SHA256 a44e8303f186d2cc4a4973b907cc602dda1464092b65b19f0818d9f3102512da
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    data_1

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\ShaderCache\data_1
                                    • Size 264KB
                                    • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                                    • MD5 SHA1 SHA512 SSDEEP

                                    5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres
                                    • Size 2KB
                                    • SHA256 c42052a00d44c1d9dcdf8d5fb994264a116048e91c7eb4841f01e7b8a6c59200
                                    • MD5 SHA1 SHA512 TLSH