Analysis

  • max time kernel
    3s
  • max time network
    6s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/08/2026, 00:59

General

  • Target
    https://lwfiles.mycourse.app/6a5dd48f3460a835fc1e3feb-public/theme/email-logo.png%22/
  • Sample260803-bb35esvhjf
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 4 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 24 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--start-maximized --disable-default-apps --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://lwfiles.mycourse.app/6a5dd48f3460a835fc1e3feb-public/theme/email-logo.png%22/
    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:4720
    • 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,0x240,0x234,0x2f0,0x7ffa09cac188,0x7ffa09cac194,0x7ffa09cac1a0
      2⤵
        PID:3040
      • 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=1972,i,18011939247350553873,5274423395363356765,524288 --field-trial-handle=2428,i,11155003572278455439,7401455546812074242,262144 --variations-seed-version --mojo-platform-channel-handle=2456 /prefetch:3
        2⤵
        • System Time Discovery
        PID:4712
      • 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=1732,i,9421218530594429627,14111655822425934714,262144 --field-trial-handle=2428,i,11155003572278455439,7401455546812074242,262144 --variations-seed-version --mojo-platform-channel-handle=2388 /prefetch:2
        2⤵
          PID:2992
        • 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=2348,i,9155303074034460287,16042342109662868909,524288 --field-trial-handle=2428,i,11155003572278455439,7401455546812074242,262144 --variations-seed-version --mojo-platform-channel-handle=2500 /prefetch:8
          2⤵
            PID:2556
          • 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=3436,i,8531107841486338949,14115223234090718540,2097152 --field-trial-handle=2428,i,11155003572278455439,7401455546812074242,262144 --variations-seed-version --mojo-platform-channel-handle=3508 /prefetch:1
            2⤵
              PID:3440
            • 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=3440,i,6015970814175384936,7091741255896431681,2097152 --field-trial-handle=2428,i,11155003572278455439,7401455546812074242,262144 --variations-seed-version --mojo-platform-channel-handle=3512 /prefetch:1
              2⤵
                PID:4100
              • 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=4240,i,9432411738086096179,1362043817925326786,2097152 --field-trial-handle=2428,i,11155003572278455439,7401455546812074242,262144 --variations-seed-version --mojo-platform-channel-handle=4172 /prefetch:1
                2⤵
                  PID:4696
                • 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=4252,i,2977290733075531229,15222503566598174981,2097152 --field-trial-handle=2428,i,11155003572278455439,7401455546812074242,262144 --variations-seed-version --mojo-platform-channel-handle=4664 /prefetch:2
                  2⤵
                    PID:2924
                  • 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=5024,i,7032900939499296292,5167927110707517248,524288 --field-trial-handle=2428,i,11155003572278455439,7401455546812074242,262144 --variations-seed-version --mojo-platform-channel-handle=5156 /prefetch:8
                    2⤵
                      PID:2096
                    • 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=5124,i,12442709430161198793,4193622624094581603,524288 --field-trial-handle=2428,i,11155003572278455439,7401455546812074242,262144 --variations-seed-version --mojo-platform-channel-handle=5188 /prefetch:8
                      2⤵
                        PID:1584
                      • 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=5668,i,11583941008162914072,3282690937654072134,524288 --field-trial-handle=2428,i,11155003572278455439,7401455546812074242,262144 --variations-seed-version --mojo-platform-channel-handle=5928 /prefetch:8
                        2⤵
                          PID:5108
                        • 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=5668,i,11583941008162914072,3282690937654072134,524288 --field-trial-handle=2428,i,11155003572278455439,7401455546812074242,262144 --variations-seed-version --mojo-platform-channel-handle=5928 /prefetch:8
                          2⤵
                            PID:1968
                        • 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:4240

                          Network

                                MITRE ATT&CK Enterprise v16

                                Replay Monitor

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                                Downloads

                                settings.dat

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                • Size 280B
                                • SHA256 11d3c4c52f9fc9cd2b10a22b48769759f994fd6364f9a0fc145f4cd2c2a22e9d
                                • MD5 SHA1 SHA512 TLSH

                                settings.dat

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                • Size 280B
                                • SHA256 701082e4ac35f878dc5ff6eb27989aae9d20d9b5662643e20b3acd1720b367fc
                                • MD5 SHA1 SHA512 TLSH

                                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

                                sync_diagnostic.log

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Sync Data\Logs\sync_diagnostic.log
                                • Size 4KB
                                • SHA256 9dd98777dcebc2dfa121d4c111a2259697fd7c6e375d57c4431adda496d3ece5
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                favorites_diagnostic.log

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\favorites_diagnostic.log
                                • Size 1KB
                                • SHA256 468127514680c09a520a559219d89762b180c2cc5eda2becf1a1fe17acb29a2c
                                • MD5 SHA1 SHA512 TLSH

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                • Size 8KB
                                • SHA256 6b25bd94995bb5ea4bcf151225e15e2fc4b14b6c01ac209a27503813ea6aabf5
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                • Size 8KB
                                • SHA256 9869e662b4ec70b15b9268ae7d0a091dc389612def0225f2d7dbe72734ad1620
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres

                                • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\5a2a7058cf8d1e56c20e6b19a7c48eb2386d141b.tbres
                                • Size 2KB
                                • SHA256 91337f0aeb75c6a27cbb3d562f88e3b1f78b17441c7b1fa5b12f93a1a6ff18ee
                                • MD5 SHA1 SHA512 TLSH