Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 06:15

General

  • Target
    mbox/assets/CheckConnection(2).html
  • Size 34KB
  • Sample260705-gz5aaaes7r
  • SHA256 149d0fbf322397c0f1d65c61072b93955cd747904e9cc194e03afa5aecb637cc
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 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.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 16 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\mbox\assets\CheckConnection(2).html
    1⤵
    • Drops file in Windows directory
    • 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:1380
    • 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=0x260,0x264,0x268,0x25c,0x270,0x7fffc88bc188,0x7fffc88bc194,0x7fffc88bc1a0
      2⤵
        PID:6064
      • 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=1784,i,4007693246406217482,7592356975021707960,524288 --field-trial-handle=2148,i,3532510068304030596,6628544339629783809,262144 --variations-seed-version --mojo-platform-channel-handle=2820 /prefetch:11
        2⤵
        • System Time Discovery
        PID:2832
      • 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=2416,i,11313713150723036058,9868079953909930437,524288 --field-trial-handle=2148,i,3532510068304030596,6628544339629783809,262144 --variations-seed-version --mojo-platform-channel-handle=2840 /prefetch:13
        2⤵
          PID:2844
        • 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=1556,i,15025183395233464451,7512853840909554710,262144 --field-trial-handle=2148,i,3532510068304030596,6628544339629783809,262144 --variations-seed-version --mojo-platform-channel-handle=2144 /prefetch:2
          2⤵
            PID:4568
          • 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=3564,i,9169346942854485928,7002547922129444412,2097152 --field-trial-handle=2148,i,3532510068304030596,6628544339629783809,262144 --variations-seed-version --mojo-platform-channel-handle=3632 /prefetch:1
            2⤵
              PID:4524
            • 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=3568,i,4775282712976214995,7253839900509576832,2097152 --field-trial-handle=2148,i,3532510068304030596,6628544339629783809,262144 --variations-seed-version --mojo-platform-channel-handle=3640 /prefetch:1
              2⤵
                PID:5296
              • 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=4256,i,1603666864449285331,16642398003487398349,2097152 --field-trial-handle=2148,i,3532510068304030596,6628544339629783809,262144 --variations-seed-version --mojo-platform-channel-handle=4796 /prefetch:9
                2⤵
                  PID:4136
                • 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=4244,i,9643106812876011101,9966186712784307796,2097152 --field-trial-handle=2148,i,3532510068304030596,6628544339629783809,262144 --variations-seed-version --mojo-platform-channel-handle=4776 /prefetch:1
                  2⤵
                    PID:2828
                  • 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=3704,i,10067067249663204823,13255794110012130944,524288 --field-trial-handle=2148,i,3532510068304030596,6628544339629783809,262144 --variations-seed-version --mojo-platform-channel-handle=3776 /prefetch:14
                    2⤵
                      PID:884
                    • 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=3756,i,3893544629188864210,4857116184730284520,524288 --field-trial-handle=2148,i,3532510068304030596,6628544339629783809,262144 --variations-seed-version --mojo-platform-channel-handle=3648 /prefetch:14
                      2⤵
                        PID:1548
                      • 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=5868,i,6403181918820506584,3383108830048419442,524288 --field-trial-handle=2148,i,3532510068304030596,6628544339629783809,262144 --variations-seed-version --mojo-platform-channel-handle=6100 /prefetch:14
                        2⤵
                          PID:2876
                        • 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=5868,i,6403181918820506584,3383108830048419442,524288 --field-trial-handle=2148,i,3532510068304030596,6628544339629783809,262144 --variations-seed-version --mojo-platform-channel-handle=6100 /prefetch:14
                          2⤵
                            PID:432
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=4856,i,10930549698041340608,1308467036933680481,524288 --field-trial-handle=2148,i,3532510068304030596,6628544339629783809,262144 --variations-seed-version --mojo-platform-channel-handle=4796 /prefetch:14
                            2⤵
                              PID:4436
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=4940,i,1681970244822175959,17415961699686916146,524288 --field-trial-handle=2148,i,3532510068304030596,6628544339629783809,262144 --variations-seed-version --mojo-platform-channel-handle=4932 /prefetch:14
                              2⤵
                                PID:2124
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=4944,i,17837064321248311559,10278730432705162392,524288 --field-trial-handle=2148,i,3532510068304030596,6628544339629783809,262144 --variations-seed-version --mojo-platform-channel-handle=4872 /prefetch:14
                                2⤵
                                  PID:4560
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=6604,i,14226163061460022302,13919857848128506328,524288 --field-trial-handle=2148,i,3532510068304030596,6628544339629783809,262144 --variations-seed-version --mojo-platform-channel-handle=5656 /prefetch:14
                                  2⤵
                                    PID:3992
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.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=10.0.26100.1301 --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADoAAAIAAAAAAAAAAAAAGAAAQAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --always-read-main-dll --metrics-shmem-handle=6460,i,12910499548737536191,10019059649236222647,262144 --field-trial-handle=2148,i,3532510068304030596,6628544339629783809,262144 --variations-seed-version --mojo-platform-channel-handle=6468 /prefetch:10
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:1620
                                • 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:5072
                                  • 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:3292

                                    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 37abd39218624bea608ed1c31cedc29697ad7dcee756e85d36f477bc96d5d79e
                                          • MD5 SHA1 SHA512 TLSH

                                          settings.dat

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          • Size 280B
                                          • SHA256 6b4b91e2c6408056d62e9ab108c4a1bc3372697cc673aea50cc1ab639cb36d31
                                          • MD5 SHA1 SHA512 TLSH

                                          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 f482344b2ca2a08994b92d41f12c08a6e78137107efeae4b748a097a577e6d49
                                          • MD5 SHA1 SHA512 TLSH

                                          the-real-index~RFe58e7ea.TMP

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index~RFe58e7ea.TMP
                                          • Size 3KB
                                          • SHA256 c42eef01899edc577bc85c1e3c0f24b5c01c37b3da315de924deff12362ff0b9
                                          • 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

                                          36739e36-1854-4489-83f0-b836bf8a6660.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\36739e36-1854-4489-83f0-b836bf8a6660.tmp
                                          • Size 40B
                                          • SHA256 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
                                          • MD5 SHA1 SHA512

                                          Network Persistent State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Network Persistent State
                                          • Size 2KB
                                          • SHA256 a1587486e4e6a4571156702df87a6541aa748298570d886a62e710530e9a6c02
                                          • 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 241a3454b607e38d6073423188ef193f7d67d63345fe289a8a49f6e6f9a91f97
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 14KB
                                          • SHA256 ce120c73091e2cceb9640f41b2bc92db7e60531a38af351e30bdcf12484907d6
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 14KB
                                          • SHA256 6b9e41b2c9956e59e81d9ef0ab89cd9554b1258c00b874f969a5b5d85db3df24
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Secure Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                          • Size 27KB
                                          • SHA256 0ad88d0149611f7772c42ace73a70febd4841fde11af0c66dfe44123a1bcaf98
                                          • 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 41KB
                                          • SHA256 e9439d2956b16326014d046dd1dc96045b0e92510c0a33dc572eae8cccb3919e
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 35KB
                                          • SHA256 8aeb8cd125688f68a1fbe593b4c7cd0770c56f31531499383f9d82062be06e2d
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 35KB
                                          • SHA256 755e2a698d6c8dd1217579bb6ec919c66cd626c9f2940abf3aabee67b3c9d765
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 35KB
                                          • SHA256 c7d98b143d6acece93eeece2ea40b05701bf703bcbf3bb396e0d01f4470b34cd
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 38KB
                                          • SHA256 88026be75dac28f2a3a0f4d5165594a5027d73d274c7b25d81ead6206ea03930
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          c84f5e4b-2be0-45f5-a8f6-96b122ed55af.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\extensions_crx_cache\c84f5e4b-2be0-45f5-a8f6-96b122ed55af.tmp
                                          • Size 13B
                                          • SHA256 2771d13c637c267132afff9db67537bef95708534b79ae8d954254c4e64e4e0f
                                          • MD5 SHA1 SHA512