Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/10/2026, 03:53

General

  • Target
    attachment20261002-143791-sb3hzy.htm
  • Size 34KB
  • Sample261002-efybhssfkh
  • SHA256 6ba372357efa26a04e1c8eb59f29e9867b04ed241c4665f06e78d1ebe6ab8e5b
  • MD5 SHA1 SHA512 SSDEEP TLSH
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.

  • Enumerates system info in registry 2 TTPs 3 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\attachment20261002-143791-sb3hzy.htm
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2312
    • 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,0x288,0x7ffd604ac188,0x7ffd604ac194,0x7ffd604ac1a0
      2⤵
        PID:2952
      • 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=1576,i,11984724795633139330,9165504619171637918,262144 --field-trial-handle=2124,i,7358651666989099227,4066742664067250098,262144 --variations-seed-version --mojo-platform-channel-handle=2120 /prefetch:2
        2⤵
          PID:5988
        • 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=1872,i,6084011736103132878,12780279175996972341,524288 --field-trial-handle=2124,i,7358651666989099227,4066742664067250098,262144 --variations-seed-version --mojo-platform-channel-handle=2156 /prefetch:11
          2⤵
          • System Time Discovery
          PID:2528
        • 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,9574200872163838267,16025698732636819434,2097152 --field-trial-handle=2124,i,7358651666989099227,4066742664067250098,262144 --variations-seed-version --mojo-platform-channel-handle=3536 /prefetch:1
          2⤵
            PID:2928
          • 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=3456,i,12532034802327479684,18364078040480698447,2097152 --field-trial-handle=2124,i,7358651666989099227,4066742664067250098,262144 --variations-seed-version --mojo-platform-channel-handle=3532 /prefetch:1
            2⤵
              PID:4576
            • 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=2436,i,9448026724283605561,8996764857110975233,524288 --field-trial-handle=2124,i,7358651666989099227,4066742664067250098,262144 --variations-seed-version --mojo-platform-channel-handle=3232 /prefetch:13
              2⤵
                PID:4176
              • 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,1793373986529192008,11913967380442292809,2097152 --field-trial-handle=2124,i,7358651666989099227,4066742664067250098,262144 --variations-seed-version --mojo-platform-channel-handle=4400 /prefetch:1
                2⤵
                  PID:2112
                • 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=4232,i,104957670340331309,5823792255224371202,2097152 --field-trial-handle=2124,i,7358651666989099227,4066742664067250098,262144 --variations-seed-version --mojo-platform-channel-handle=4404 /prefetch:9
                  2⤵
                    PID:5320
                  • 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=5264,i,17969776897526868078,10783676904392988843,524288 --field-trial-handle=2124,i,7358651666989099227,4066742664067250098,262144 --variations-seed-version --mojo-platform-channel-handle=5292 /prefetch:14
                    2⤵
                      PID:4932
                    • 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=5268,i,12066066847466968096,8524043128910224342,524288 --field-trial-handle=2124,i,7358651666989099227,4066742664067250098,262144 --variations-seed-version --mojo-platform-channel-handle=5312 /prefetch:14
                      2⤵
                        PID:5212
                      • 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=5864,i,8227203442193464820,8262529277306989875,524288 --field-trial-handle=2124,i,7358651666989099227,4066742664067250098,262144 --variations-seed-version --mojo-platform-channel-handle=5856 /prefetch:14
                        2⤵
                          PID:932
                        • 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=5864,i,8227203442193464820,8262529277306989875,524288 --field-trial-handle=2124,i,7358651666989099227,4066742664067250098,262144 --variations-seed-version --mojo-platform-channel-handle=5856 /prefetch:14
                          2⤵
                            PID:4164
                          • 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=6476,i,9254293410568098574,9504158865249053689,524288 --field-trial-handle=2124,i,7358651666989099227,4066742664067250098,262144 --variations-seed-version --mojo-platform-channel-handle=4468 /prefetch:14
                            2⤵
                              PID:1348
                            • 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=6604,i,14600572345286056029,10125058237429350140,524288 --field-trial-handle=2124,i,7358651666989099227,4066742664067250098,262144 --variations-seed-version --mojo-platform-channel-handle=4984 /prefetch:14
                              2⤵
                                PID:384
                              • 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=4224,i,4852486542887229560,18438774975645099378,524288 --field-trial-handle=2124,i,7358651666989099227,4066742664067250098,262144 --variations-seed-version --mojo-platform-channel-handle=600 /prefetch:14
                                2⤵
                                  PID:2192
                                • 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=5276,i,14226229040479660118,5127104245851095498,524288 --field-trial-handle=2124,i,7358651666989099227,4066742664067250098,262144 --variations-seed-version --mojo-platform-channel-handle=5588 /prefetch:14
                                  2⤵
                                    PID:4732
                                  • 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=5036,i,11538643211365355834,4712552254314611183,262144 --field-trial-handle=2124,i,7358651666989099227,4066742664067250098,262144 --variations-seed-version --mojo-platform-channel-handle=3280 /prefetch:10
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:4220
                                • 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:4936
                                  • 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:2056

                                    Network

                                          MITRE ATT&CK Enterprise v16

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          3dfa691b-3d5a-43b7-8026-638738c7f622.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\3dfa691b-3d5a-43b7-8026-638738c7f622.tmp
                                          • Size 34KB
                                          • SHA256 5b5e470db2ad14a88340f4c3f6775aeadd2f7bcfbda9493e391bd8e5f952b6d4
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          42995071-66a4-4639-a264-ca2b7e7116ca.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\42995071-66a4-4639-a264-ca2b7e7116ca.tmp
                                          • Size 36KB
                                          • SHA256 422d27be6b86658f81d975b211f30201205c14d386a907817a4ea09d0ac76f05
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          786ce210-72bf-4c71-a799-d8cbdfb33602.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\786ce210-72bf-4c71-a799-d8cbdfb33602.tmp
                                          • Size 37KB
                                          • SHA256 72e6b08bf0c70371d0d60de4d35dda7f5626ebe294f2ea1c66c7155c07c5dd82
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          979adb56-dce7-4483-a377-9508afec7001.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\979adb56-dce7-4483-a377-9508afec7001.tmp
                                          • Size 34KB
                                          • SHA256 5f3dd3d3f8b94869ad9e42f574a9500a97264a952511d2333768b137b8163674
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          settings.dat

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          • Size 280B
                                          • SHA256 0d0352bb5f4b47f3d1ca8042212dfbae37957031d48d7789bd6cd7b4b6cbbe31
                                          • MD5 SHA1 SHA512 TLSH

                                          settings.dat

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          • Size 280B
                                          • SHA256 fc0a38b9bd67def6f8a6da7a4a5956bc201e5aac4ba6f906946e52f5b14e13c2
                                          • MD5 SHA1 SHA512 TLSH

                                          2a4502dd-8036-480b-8b45-ebb32e428272.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\2a4502dd-8036-480b-8b45-ebb32e428272.tmp
                                          • Size 10KB
                                          • SHA256 fe7c22ca4607395ff9fd901475b76c79d3a4e1a88496b648760e1771e6e31f6d
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          2f9697e6-0e1d-46f2-a42e-08c594ed340d.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\2f9697e6-0e1d-46f2-a42e-08c594ed340d.tmp
                                          • Size 23KB
                                          • SHA256 1296a483e553a4b3da962ae788855a4a4939048b3c9bfb6916f581d1328a4fcf
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          3bb7df29-d1bf-4f93-9495-abc73263c050.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\3bb7df29-d1bf-4f93-9495-abc73263c050.tmp
                                          • Size 10KB
                                          • SHA256 53b655bee26b45b476e19f2de8c83aed7982f080fcc32484338776a7c6f9ec49
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          63043ec9-a735-49a7-8310-34ac92fc53c6.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\63043ec9-a735-49a7-8310-34ac92fc53c6.tmp
                                          • Size 70KB
                                          • SHA256 31a226211c491e1b0832d4cd3cf34d97165e24a7ce4ec655259cd188f3a2bd88
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          temp-index

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\temp-index
                                          • Size 3KB
                                          • SHA256 b91ec1e97c488c842437438ffcdb60998f53241c3684dcf3b9595b654448e3c9
                                          • 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 4b357c09de51b2faf9aafb214f9a1ea73c1aedc32ff30fd82fbc25c4563c9b5b
                                          • MD5 SHA1 SHA512 TLSH

                                          9ee47351-950e-4ba0-bdf1-d8640dce303c.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\DualEngine\9ee47351-950e-4ba0-bdf1-d8640dce303c.tmp
                                          • Size 2B
                                          • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
                                          • MD5 SHA1 SHA512

                                          40fc566c-1766-4af8-a17a-c671fdce5ae4.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\40fc566c-1766-4af8-a17a-c671fdce5ae4.tmp
                                          • Size 1KB
                                          • SHA256 4f66261ead9ac73740db77ebca822d23fbe6f92d5d9f7e56161cb94f6717cb15
                                          • MD5 SHA1 SHA512 TLSH

                                          5f606624-26a9-4f12-82a8-1332bffbdb42.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\5f606624-26a9-4f12-82a8-1332bffbdb42.tmp
                                          • Size 40B
                                          • SHA256 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
                                          • MD5 SHA1 SHA512

                                          ca6cda48-66ad-443b-b7a8-a2e5ede1cfeb.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\ca6cda48-66ad-443b-b7a8-a2e5ede1cfeb.tmp
                                          • Size 2B
                                          • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                          • MD5 SHA1 SHA512

                                          CURRENT

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync App 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

                                          fd3d4d4e-c5f3-4b8f-8349-bf96a4548e1d.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\fd3d4d4e-c5f3-4b8f-8349-bf96a4548e1d.tmp
                                          • Size 10KB
                                          • SHA256 f36e8858daf109542120b501eeb400d3ab226bf1d8764e87fad17ce3b98089aa
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          e1a871e5-a047-4dcb-bf6c-89f3145d327d.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Edge Cloud Config\e1a871e5-a047-4dcb-bf6c-89f3145d327d.tmp
                                          • Size 22KB
                                          • SHA256 d988156066b7fd22de278fbc96759d2caea6552094ffeb2ddd9307806059c5e4
                                          • MD5 SHA1 SHA512 SSDEEP TLSH

                                          cfe4c7e4-8fc9-4adc-9e72-cb13d2b55d5b.tmp

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\extensions_crx_cache\cfe4c7e4-8fc9-4adc-9e72-cb13d2b55d5b.tmp
                                          • Size 13B
                                          • SHA256 2771d13c637c267132afff9db67537bef95708534b79ae8d954254c4e64e4e0f
                                          • MD5 SHA1 SHA512