Analysis

  • user interaction
    yes
  • max time kernel
    10s
  • max time network
    12s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/09/2026, 10:31

General

  • Target
    http://email.corebts.com/trk?t=1&mid=NDYyLVpLRC0wNjQAAAGkc5FDDBAir_iWK59yAUB1mCko9GPwYQu-heRzr2H2vH4NQ9IUcmiDCw4b0pyZXhmkyrl2-ShUdwajU2YcHnvpyXmpbqptImVgDL2XNZk3ymENGU7CnZpxn96EzwxMtwzzCzXKshkBtLOw4Q
  • Sample260925-mkmdtavy3k
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 5 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 27 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument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://email.corebts.com/trk?t=1&mid=NDYyLVpLRC0wNjQAAAGkc5FDDBAir_iWK59yAUB1mCko9GPwYQu-heRzr2H2vH4NQ9IUcmiDCw4b0pyZXhmkyrl2-ShUdwajU2YcHnvpyXmpbqptImVgDL2XNZk3ymENGU7CnZpxn96EzwxMtwzzCzXKshkBtLOw4Q
    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:4576
    • 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,0x240,0x234,0x248,0x7ff9c411c188,0x7ff9c411c194,0x7ff9c411c1a0
      2⤵
        PID:3676
      • 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 --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=1884,i,16624969154524982162,12712631813177435496,524288 --field-trial-handle=2924,i,17282629812001051683,12745606525314018099,262144 --variations-seed-version --mojo-platform-channel-handle=2952 /prefetch:3
        2⤵
        • System Time Discovery
        PID:3764
      • 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=1692,i,7750497101702833986,12610303397433276352,262144 --field-trial-handle=2924,i,17282629812001051683,12745606525314018099,262144 --variations-seed-version --mojo-platform-channel-handle=2920 /prefetch:2
        2⤵
          PID:4440
        • 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=2312,i,8640796893749380286,3531798291100298166,524288 --field-trial-handle=2924,i,17282629812001051683,12745606525314018099,262144 --variations-seed-version --mojo-platform-channel-handle=2480 /prefetch:8
          2⤵
            PID:3772
          • 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=3440,i,11265185023630509372,16329904833230711618,2097152 --field-trial-handle=2924,i,17282629812001051683,12745606525314018099,262144 --variations-seed-version --mojo-platform-channel-handle=3464 /prefetch:1
            2⤵
              PID:4320
            • 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=3460,i,13245263774911603676,3601264398959063830,2097152 --field-trial-handle=2924,i,17282629812001051683,12745606525314018099,262144 --variations-seed-version --mojo-platform-channel-handle=3512 /prefetch:1
              2⤵
                PID:1060
              • 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=4116,i,10758334249953616371,3980430003344888568,2097152 --field-trial-handle=2924,i,17282629812001051683,12745606525314018099,262144 --variations-seed-version --mojo-platform-channel-handle=4208 /prefetch:1
                2⤵
                  PID:4552
                • 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=4204,i,4576752100415553609,3602296177623647002,2097152 --field-trial-handle=2924,i,17282629812001051683,12745606525314018099,262144 --variations-seed-version --mojo-platform-channel-handle=4188 /prefetch:2
                  2⤵
                    PID:3948
                  • 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=3648,i,8005705761384836158,7151265101332583405,2097152 --field-trial-handle=2924,i,17282629812001051683,12745606525314018099,262144 --variations-seed-version --mojo-platform-channel-handle=3628 /prefetch:1
                    2⤵
                      PID:4572
                    • 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=5256,i,11025232930685259493,17061241183649663395,524288 --field-trial-handle=2924,i,17282629812001051683,12745606525314018099,262144 --variations-seed-version --mojo-platform-channel-handle=3724 /prefetch:8
                      2⤵
                        PID:1876
                      • 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=5260,i,4735217849963434722,4946560047675938417,524288 --field-trial-handle=2924,i,17282629812001051683,12745606525314018099,262144 --variations-seed-version --mojo-platform-channel-handle=3704 /prefetch:8
                        2⤵
                          PID:540
                        • 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=5892,i,5006934711668533888,13081790143209797432,524288 --field-trial-handle=2924,i,17282629812001051683,12745606525314018099,262144 --variations-seed-version --mojo-platform-channel-handle=5684 /prefetch:8
                          2⤵
                            PID:4516
                          • 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=5892,i,5006934711668533888,13081790143209797432,524288 --field-trial-handle=2924,i,17282629812001051683,12745606525314018099,262144 --variations-seed-version --mojo-platform-channel-handle=5684 /prefetch:8
                            2⤵
                              PID:2464
                          • 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:2844

                            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 d11bd63a3c8c3641d5bd4407fbf20115daee67c3050695788e54c8df9585c700
                                  • MD5 SHA1 SHA512 TLSH

                                  settings.dat

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                  • Size 280B
                                  • SHA256 7481989667805f861819a64a3969aaaf46d409d3cc4fe4b19154b579a00c6e16
                                  • 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

                                  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 9KB
                                  • SHA256 56762bab2743539c78535c86c522331616a06a9d106eb96663f8613bdf33f63c
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Secure Preferences

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                  • Size 27KB
                                  • SHA256 8099127323757921835efdaa5ab0d2a5053fa5dc941b673f6820234f020dc59a
                                  • 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 12b84897e9379776b55e7845d9e8020181ea32bb9d654af95062d3c1f0d1e4f4
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 18KB
                                  • SHA256 58bff6d5223c5e24a3f5c634d68bb9f379ace5ac76121142c2754f6fe92f4138
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 8KB
                                  • SHA256 55b5e857e296f0ad14973848bd48c2e637acf38b49c2575088a5e012ef439a4c
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 8KB
                                  • SHA256 84a3a064e6da9170ff7147ef294f61b6e8bb4336c3c7237f9680f71b63860464
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres
                                  • Size 2KB
                                  • SHA256 35379c94957030e15c686b30ee8574ddac3df7550ba18ad73aab449aeeab7f0c
                                  • MD5 SHA1 SHA512 TLSH