Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/05/2026, 00:16

General

  • Target
    extension/images/Best_Connection3.svg
  • Size 1KB
  • Sample260523-akxtbsht2j
  • SHA256 b9dd9f4c4b27e7984f37523e8dae276c90932c05b1d71e07650ed1026e9c8d5e
  • MD5 SHA1 SHA512 TLSH

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 Internet Explorer settings 1 TTPs 29 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\extension\images\Best_Connection3.svg
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:4724
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" -- "file:///C:/Users/Admin/AppData/Local/Temp/extension/images/Best_Connection3.svg"
      2⤵
      • 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 WriteProcessMemory
      PID:2532
      • 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=0x2e0,0x2e4,0x2e8,0x2dc,0x2f0,0x7ffba31cc188,0x7ffba31cc194,0x7ffba31cc1a0
        3⤵
          PID:6132
        • 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=1792,i,4066897730350815511,9145810827741051397,524288 --field-trial-handle=2272,i,2209716737782699074,3435736810417778116,262144 --variations-seed-version --mojo-platform-channel-handle=2300 /prefetch:11
          3⤵
          • System Time Discovery
          PID:2920
        • 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=1608,i,4818361128465937209,17939207541926589090,262144 --field-trial-handle=2272,i,2209716737782699074,3435736810417778116,262144 --variations-seed-version --mojo-platform-channel-handle=2268 /prefetch:2
          3⤵
            PID:5820
          • 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=2588,i,8586331504747439332,10533882115300279653,524288 --field-trial-handle=2272,i,2209716737782699074,3435736810417778116,262144 --variations-seed-version --mojo-platform-channel-handle=2592 /prefetch:13
            3⤵
              PID:3940
            • 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=3472,i,2081290275675231023,5130773273158352399,2097152 --field-trial-handle=2272,i,2209716737782699074,3435736810417778116,262144 --variations-seed-version --mojo-platform-channel-handle=3528 /prefetch:1
              3⤵
                PID:424
              • 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=3496,i,5917231404284467680,18309881053599634104,2097152 --field-trial-handle=2272,i,2209716737782699074,3435736810417778116,262144 --variations-seed-version --mojo-platform-channel-handle=3536 /prefetch:1
                3⤵
                  PID:4900
                • 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=4956,i,6549407712791473992,7809488643084672727,524288 --field-trial-handle=2272,i,2209716737782699074,3435736810417778116,262144 --variations-seed-version --mojo-platform-channel-handle=5040 /prefetch:14
                  3⤵
                    PID:3220
                  • 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=4960,i,12252130888304316644,3092263499559751973,524288 --field-trial-handle=2272,i,2209716737782699074,3435736810417778116,262144 --variations-seed-version --mojo-platform-channel-handle=5012 /prefetch:14
                    3⤵
                      PID:2044
                    • 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.ProfileImport --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=5852,i,6261665936414139020,17354105337966065765,524288 --field-trial-handle=2272,i,2209716737782699074,3435736810417778116,262144 --variations-seed-version --mojo-platform-channel-handle=5876 /prefetch:14
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:1772
                      • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\cookie_exporter.exe
                        cookie_exporter.exe --cookie-json=1128
                        4⤵
                          PID:556
                      • 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=5904,i,10406002427062840611,5722934411813426820,524288 --field-trial-handle=2272,i,2209716737782699074,3435736810417778116,262144 --variations-seed-version --mojo-platform-channel-handle=5936 /prefetch:14
                        3⤵
                          PID:1068
                        • 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=5904,i,10406002427062840611,5722934411813426820,524288 --field-trial-handle=2272,i,2209716737782699074,3435736810417778116,262144 --variations-seed-version --mojo-platform-channel-handle=5936 /prefetch:14
                          3⤵
                            PID:2844
                          • 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=6232,i,7129355974709726018,14811455040373738416,524288 --field-trial-handle=2272,i,2209716737782699074,3435736810417778116,262144 --variations-seed-version --mojo-platform-channel-handle=5984 /prefetch:14
                            3⤵
                              PID:1232
                            • 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=6288,i,684176459145165518,16424934674762086515,524288 --field-trial-handle=2272,i,2209716737782699074,3435736810417778116,262144 --variations-seed-version --mojo-platform-channel-handle=6004 /prefetch:14
                              3⤵
                                PID:2412
                              • 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=5992,i,10244198487514537859,3923267534942678490,524288 --field-trial-handle=2272,i,2209716737782699074,3435736810417778116,262144 --variations-seed-version --mojo-platform-channel-handle=6312 /prefetch:14
                                3⤵
                                  PID:1624
                                • 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=5088,i,16905646310659631860,12190181677803452940,524288 --field-trial-handle=2272,i,2209716737782699074,3435736810417778116,262144 --variations-seed-version --mojo-platform-channel-handle=6276 /prefetch:14
                                  3⤵
                                    PID:3988
                                  • 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=10.0.22000.1 --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADoAAAIAAAAAAAAAAAAAGAAAQAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --always-read-main-dll --metrics-shmem-handle=5108,i,12716702754442226829,15487999883710489783,262144 --field-trial-handle=2272,i,2209716737782699074,3435736810417778116,262144 --variations-seed-version --mojo-platform-channel-handle=6032 /prefetch:10
                                    3⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:6024
                              • 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:4172
                                • 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:4908

                                  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 79054d3106248f0ce580d1442e78fcc5cc48ea2a5eb3b58c6aad98c7106da4b2
                                        • MD5 SHA1 SHA512 TLSH

                                        settings.dat

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                        • Size 280B
                                        • SHA256 6b09340cb22edbf71e0f90763fd435b35e26e3a84e71f4c033073dc564ceacd0
                                        • MD5 SHA1 SHA512 TLSH

                                        BookmarkMergedSurfaceOrdering

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

                                        BrowsingTopicsState

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\BrowsingTopicsState
                                        • Size 649B
                                        • SHA256 926c252f4515a5120253d07763a4a8e304b081112e13523cd96cb13490587e50
                                        • 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

                                        HubApps

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\HubApps
                                        • Size 106KB
                                        • SHA256 eb2fd7422436fff93f6be09df3294b26cdb7afd18e6aa94dcdc0f208db78b2ed
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Network Persistent State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Network Persistent State
                                        • Size 1KB
                                        • SHA256 2f0d2a7157237f12dd2e4966aff45bc0375fdbe25201e74cf318fc4298a9bb14
                                        • MD5 SHA1 SHA512 TLSH

                                        Sdch Dictionaries

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries
                                        • Size 40B
                                        • SHA256 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
                                        • MD5 SHA1 SHA512

                                        d5c9939b-a79b-4acf-9a88-fc227c75682d.tmp

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\d5c9939b-a79b-4acf-9a88-fc227c75682d.tmp
                                        • Size 2B
                                        • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                        • MD5 SHA1 SHA512

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 15KB
                                        • SHA256 a057dac3fab945011dfae6464a2954da4b77f345b82f8d6502174b0b121edd10
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 15KB
                                        • SHA256 4a73c6af0387f84930f6be74809f3e961f18dd3f3587f8a1a114f18e97c864b1
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Secure Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                        • Size 36KB
                                        • SHA256 8a926ec26759fffaabb4603075f5c94538a657bf5b88476d0cdaa3b935c95882
                                        • 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 23KB
                                        • SHA256 354a21b0fc593699b75abc6c8b4b8cd80933f39c3264487e7e64b3a3e35e1457
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 33KB
                                        • SHA256 b993f960547a9e4df859c119a1a00bd9bcea962a883a40d22c457b7926528cc2
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 28KB
                                        • SHA256 357d4f1701483d9e4e4521ec4dafae80dfabe677818e0d4fbdcd6f9b4ec5cdd2
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 24KB
                                        • SHA256 e338e257e115e00866c398af6a55fceb98a32919a54d3a1bbef42a11edabe9a0
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 28KB
                                        • SHA256 1c25488870009135eae279d72d667947653a84f333c1d57131828dedaf3a0acd
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 28KB
                                        • SHA256 dfe998948fc0d7b6401b9556c6fe977c223492a636f852365234d6ebf7db1e7a
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        memory/2844-167-0x0000018892010000-0x0000018893010000-memory.dmp