Analysis

  • user interaction
    yes
  • max time kernel
    21s
  • max time network
    23s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/07/2026, 04:19

General

  • Target
    82594f5ec0be4e56b1d797495996600f_Engine.exe
  • Size 6.0MB
  • Sample260710-exqyrses31
  • SHA256 468f23cfef27e659fda7842961ee04b80110722449da0b6d40aef2dab89be5ee
  • 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\82594f5ec0be4e56b1d797495996600f_Engine.exe
    "C:\Users\Admin\AppData\Local\Temp\82594f5ec0be4e56b1d797495996600f_Engine.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5580
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://horizon.boltgroup.dev/loader-auth?link=bdc87d2a73007609a02e0af0822c73da
      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:3208
      • 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=0x2f0,0x2f4,0x2f8,0x2ec,0x300,0x7ffdf3ebc188,0x7ffdf3ebc194,0x7ffdf3ebc1a0
        3⤵
          PID:256
        • 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=1868,i,4965153555453654056,824097925501720739,524288 --field-trial-handle=2268,i,6235413936636670484,7937277538739096358,262144 --variations-seed-version --mojo-platform-channel-handle=2364 /prefetch:11
          3⤵
          • System Time Discovery
          PID:4236
        • 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=1588,i,2140928795976751527,10000960447995803501,262144 --field-trial-handle=2268,i,6235413936636670484,7937277538739096358,262144 --variations-seed-version --mojo-platform-channel-handle=2264 /prefetch:2
          3⤵
            PID:4264
          • 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 --no-pre-read-main-dll --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=2400,i,17424870195183878172,5302202118600490799,524288 --field-trial-handle=2268,i,6235413936636670484,7937277538739096358,262144 --variations-seed-version --mojo-platform-channel-handle=2872 /prefetch:13
            3⤵
              PID:5652
            • 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=3640,i,10590889905485824046,8549447866398618441,2097152 --field-trial-handle=2268,i,6235413936636670484,7937277538739096358,262144 --variations-seed-version --mojo-platform-channel-handle=3680 /prefetch:1
              3⤵
                PID:4492
              • 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=3648,i,16920354821715475006,25143852860614990,2097152 --field-trial-handle=2268,i,6235413936636670484,7937277538739096358,262144 --variations-seed-version --mojo-platform-channel-handle=3692 /prefetch:1
                3⤵
                  PID:4340
                • 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=4296,i,15744565657207418697,14393272773864766347,2097152 --field-trial-handle=2268,i,6235413936636670484,7937277538739096358,262144 --variations-seed-version --mojo-platform-channel-handle=4852 /prefetch:1
                  3⤵
                    PID:4916
                  • 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=4304,i,13713691379080665829,8415253322753188592,2097152 --field-trial-handle=2268,i,6235413936636670484,7937277538739096358,262144 --variations-seed-version --mojo-platform-channel-handle=4936 /prefetch:9
                    3⤵
                      PID:2248
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=PooledProcess2 --lang=en-US --service-sandbox-type=utility --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=3856,i,1987832529750827498,6991608485179843965,524288 --field-trial-handle=2268,i,6235413936636670484,7937277538739096358,262144 --variations-seed-version --mojo-platform-channel-handle=3796 /prefetch:14
                      3⤵
                        PID:2224
                      • 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=5376,i,2985014530373199248,14591254840754336216,524288 --field-trial-handle=2268,i,6235413936636670484,7937277538739096358,262144 --variations-seed-version --mojo-platform-channel-handle=5500 /prefetch:14
                        3⤵
                          PID:3908
                        • 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=3676,i,936278201615310591,16369219654731400820,524288 --field-trial-handle=2268,i,6235413936636670484,7937277538739096358,262144 --variations-seed-version --mojo-platform-channel-handle=5440 /prefetch:14
                          3⤵
                            PID:1216
                          • 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=6124,i,11512776512653838489,6788352467610881006,524288 --field-trial-handle=2268,i,6235413936636670484,7937277538739096358,262144 --variations-seed-version --mojo-platform-channel-handle=6136 /prefetch:14
                            3⤵
                              PID:2524
                            • 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=6124,i,11512776512653838489,6788352467610881006,524288 --field-trial-handle=2268,i,6235413936636670484,7937277538739096358,262144 --variations-seed-version --mojo-platform-channel-handle=6136 /prefetch:14
                              3⤵
                                PID:4352
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=6308,i,3155574206432847031,573764481758435546,524288 --field-trial-handle=2268,i,6235413936636670484,7937277538739096358,262144 --variations-seed-version --mojo-platform-channel-handle=6244 /prefetch:14
                                3⤵
                                  PID:4928
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=6552,i,13084881408887383899,15664830281151286543,524288 --field-trial-handle=2268,i,6235413936636670484,7937277538739096358,262144 --variations-seed-version --mojo-platform-channel-handle=6392 /prefetch:14
                                  3⤵
                                    PID:3828
                              • 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:1044
                                • 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:3524

                                  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 da739d58d61b2ac7b5d9bb7ad60982cb15b364d9c7c9297fd0c9719c271cd985
                                        • MD5 SHA1 SHA512 TLSH

                                        settings.dat

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                        • Size 280B
                                        • SHA256 18a644ba613d5b4137dabc346f57eca622b6888922eaec751025ab3c0a002fd5
                                        • 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

                                        Sdch Dictionaries

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

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 14KB
                                        • SHA256 78ecb769a187ef5dee467d1c3171278b241b7b4e6ed1f7dcbeea8fe0d5ea8082
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 14KB
                                        • SHA256 a43523993856d44f83d784807f8f72e7670f9099a3582b33bc0bd9a98c3b62cb
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Secure Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                        • Size 32KB
                                        • SHA256 b78748da9c3a1da6b7c43d244bdf7da4725dae7bc3c12e6713f2286e94493cc9
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 35KB
                                        • SHA256 ae64e64d8d6d1756f7c48ca73a2c9c77c26da5a4dc5b18b6652e0f330698715f
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 39KB
                                        • SHA256 c17d876145006e1b2558be6e847e1ad1ecec41d8f8fd4f937e12a309fe88d00c
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 41KB
                                        • SHA256 8e615120c54adfef01b7ee3fca84688902651c1daa8b76c7ab82c00c8a7a05a8
                                        • MD5 SHA1 SHA512 SSDEEP TLSH

                                        375d72aa-9889-46f0-a76c-a9207a9f8ae4.tmp

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\extensions_crx_cache\375d72aa-9889-46f0-a76c-a9207a9f8ae4.tmp
                                        • Size 13B
                                        • SHA256 2771d13c637c267132afff9db67537bef95708534b79ae8d954254c4e64e4e0f
                                        • MD5 SHA1 SHA512

                                        content_new.js

                                        • Path C:\Users\Admin\AppData\Local\Temp\scoped_dir3208_676800527\CRX_INSTALL\content_new.js
                                        • Size 10KB
                                        • SHA256 d4aa4602a1590a4b8a1bce8b8d670264c9fb532adc97a72bc10c43343650385a
                                        • MD5 SHA1 SHA512 SSDEEP TLSH