Analysis

  • user interaction
    yes
  • max time kernel
    28s
  • max time network
    20s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    28/07/2026, 23:23

General

  • Target
    iview475_x64_setup.exe
  • Size 4.3MB
  • Sample260728-3dblqsce45
  • SHA256 6b7e36c089194347be1bea5fea08dc97316f2181e40427e7e2867ad7ba3906a0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10

Malware Config

Signatures

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 64 IoCs
  • Executes dropped EXE 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 registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\iview475_x64_setup.exe
    "C:\Users\Admin\AppData\Local\Temp\iview475_x64_setup.exe"
    1⤵
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3912
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.irfanview.net/faq.htm
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4192
      • 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,0x368,0x7ffbdf7ac188,0x7ffbdf7ac194,0x7ffbdf7ac1a0
        3⤵
          PID:1016
        • 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,418261268233882791,11182187100745994005,262144 --field-trial-handle=2072,i,7192421716337669914,17263459407135544152,262144 --variations-seed-version --mojo-platform-channel-handle=2068 /prefetch:2
          3⤵
            PID:3408
          • 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=1816,i,3957738216439624311,17656557766714373004,524288 --field-trial-handle=2072,i,7192421716337669914,17263459407135544152,262144 --variations-seed-version --mojo-platform-channel-handle=2984 /prefetch:11
            3⤵
            • System Time Discovery
            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=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --always-read-main-dll --metrics-shmem-handle=2432,i,1211559657502147766,3444307255097555461,524288 --field-trial-handle=2072,i,7192421716337669914,17263459407135544152,262144 --variations-seed-version --mojo-platform-channel-handle=3164 /prefetch:13
            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=6 --always-read-main-dll --metrics-shmem-handle=3464,i,15911066869905567942,12671468210563361625,2097152 --field-trial-handle=2072,i,7192421716337669914,17263459407135544152,262144 --variations-seed-version --mojo-platform-channel-handle=3540 /prefetch:1
              3⤵
                PID:1824
              • 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=3468,i,13443957065155526470,7985223151467830581,2097152 --field-trial-handle=2072,i,7192421716337669914,17263459407135544152,262144 --variations-seed-version --mojo-platform-channel-handle=3544 /prefetch:1
                3⤵
                  PID:4388
                • 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=4160,i,2540958032373166834,4787805086189379359,2097152 --field-trial-handle=2072,i,7192421716337669914,17263459407135544152,262144 --variations-seed-version --mojo-platform-channel-handle=4212 /prefetch:1
                  3⤵
                    PID:4324
                  • 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=4196,i,2693134945382572330,18286746245566871863,2097152 --field-trial-handle=2072,i,7192421716337669914,17263459407135544152,262144 --variations-seed-version --mojo-platform-channel-handle=4224 /prefetch:9
                    3⤵
                      PID:2076
                    • 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=9 --always-read-main-dll --metrics-shmem-handle=4256,i,8474440712680282357,7909056353261512921,2097152 --field-trial-handle=2072,i,7192421716337669914,17263459407135544152,262144 --variations-seed-version --mojo-platform-channel-handle=4236 /prefetch:1
                      3⤵
                        PID:2148
                      • 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=10 --always-read-main-dll --metrics-shmem-handle=4324,i,6537610781573941638,4817169585433638860,2097152 --field-trial-handle=2072,i,7192421716337669914,17263459407135544152,262144 --variations-seed-version --mojo-platform-channel-handle=4768 /prefetch:9
                        3⤵
                          PID:836
                        • 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=5504,i,8774772141915597772,16568652269850757562,524288 --field-trial-handle=2072,i,7192421716337669914,17263459407135544152,262144 --variations-seed-version --mojo-platform-channel-handle=5508 /prefetch:14
                          3⤵
                            PID:1876
                          • 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=4264,i,6054794306779446958,1690978879017619062,524288 --field-trial-handle=2072,i,7192421716337669914,17263459407135544152,262144 --variations-seed-version --mojo-platform-channel-handle=5556 /prefetch:14
                            3⤵
                              PID:4556
                          • C:\Program Files\IrfanView\i_view64.exe
                            "C:\Program Files\IrfanView\i_view64.exe"
                            2⤵
                            • Executes dropped EXE
                            • Suspicious behavior: GetForegroundWindowSpam
                            PID:2728
                        • 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:3780

                          Network

                                MITRE ATT&CK Enterprise v16

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                Grosberg_24.png

                                • Path C:\Program Files\IrfanView\Toolbars\Grosberg_24.png
                                • Size 15KB
                                • SHA256 303bd07905c096eb0ce9bbbe1721b541e29a3929380ecea7ea6ae74befa3d332
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                i_view64.exe

                                • Path C:\Program Files\IrfanView\i_view64.exe
                                • Size 2.4MB
                                • SHA256 2ef930cac265a2d8cb890c37df2df781354bd3662c3d183f934e8050fb96c655
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                i_view64.ini

                                • Path C:\Program Files\IrfanView\i_view64.ini
                                • Size 42B
                                • SHA256 668c0ba227f3b0c95419dbb9328311961346dfa42ab17da4f13e9777ddecf58a
                                • MD5 SHA1 SHA512

                                settings.dat

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                • Size 280B
                                • SHA256 7da5fd99a0ab66e77a1c7d418475484f3755ec6c2945de3295f2577e789df01a
                                • MD5 SHA1 SHA512 TLSH

                                settings.dat

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                • Size 280B
                                • SHA256 1644d740a8202cef2f6292d805a906276f580478323ff48efb5e5b3a89822b83
                                • MD5 SHA1 SHA512 TLSH

                                settings.dat

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                • Size 280B
                                • SHA256 23823794b3b6267e9c083ddaf520ee01fa32d4516798865f1445a1abc4b04bbd
                                • MD5 SHA1 SHA512 TLSH

                                BookmarkMergedSurfaceOrdering

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

                                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 40d20e7f6e2eaa381007b526b4a0811a6cab5cdf760c3fc662c7c8d6f96fa926
                                • MD5 SHA1 SHA512 TLSH

                                the-real-index~RFe58c138.TMP

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index~RFe58c138.TMP
                                • Size 3KB
                                • SHA256 830c4f0a1caf17e9b301ff14dfa89d310c9a37d6b25f13e8c0eb1657ceafb49b
                                • 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

                                Network Persistent State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Network Persistent State
                                • Size 1024B
                                • SHA256 672d303417eda19bdfcb276821b4ee2d61960a583a13cbcac293112a6d0e4d68
                                • 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 12KB
                                • SHA256 c5af8d990ec96ad4588dd7b40e9e7e7765b64cf8932fcb40f4c9a816ff9325a5
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Secure Preferences

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                                • Size 31KB
                                • SHA256 4a41cf70a207a6526c4ab9f3e4c66d9b83b2b8b5188ec41414c51e640e937664
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                • Size 8KB
                                • SHA256 2c4c53e962a5734c27269b6689edda3ac4583d448384a0366ffc3d3e1d3cc543
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                • Size 17KB
                                • SHA256 2755a3eb640fac6085517603ee6c5a431c4e3b3bc83fe18c4024f4d54096365c
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                • Size 8KB
                                • SHA256 3a0dd66f61d529d31d9eef63949a9bc331c9c3f594530e0682036abb4ae7609c
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                data_1

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\ShaderCache\data_1
                                • Size 264KB
                                • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                                • MD5 SHA1 SHA512 SSDEEP

                                3009dff6-104c-4b2a-be5a-d6cfb697af57.tmp

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\extensions_crx_cache\3009dff6-104c-4b2a-be5a-d6cfb697af57.tmp
                                • Size 13B
                                • SHA256 2771d13c637c267132afff9db67537bef95708534b79ae8d954254c4e64e4e0f
                                • MD5 SHA1 SHA512

                                i_view64.ini

                                • Path C:\Users\Admin\AppData\Roaming\IrfanView\i_view64.ini
                                • Size 156B
                                • SHA256 0b8cbaf26eecf0e012fe8bce01d3f339f6a6fb9d9b60dc7b5e3d836ad3cce695
                                • MD5 SHA1 SHA512 TLSH

                                i_view64.ini

                                • Path C:\Users\Admin\AppData\Roaming\IrfanView\i_view64.ini
                                • Size 81B
                                • SHA256 9be35bfef14bd523ff2bba13c585c0671f8ff88e684b77abdb1a3548ed6d0c00
                                • MD5 SHA1 SHA512 TLSH