Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    22/05/2026, 04:14

General

  • Target
    http://img.yec.tw
  • Sample260522-etpljad19r
Score
4/10

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.

  • 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
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://img.yec.tw
    1⤵
    • Drops file in Windows directory
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:5048
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=140.0.7339.81 --initial-client-data=0x21c,0x220,0x224,0x1f8,0x228,0x7ffbe761c728,0x7ffbe761c734,0x7ffbe761c740
      2⤵
        PID:2064
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=1700,i,1548555513045446817,17213815886601316958,262144 --field-trial-handle=2004,i,1462391289482053864,17367059532559745599,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=2000 /prefetch:2
        2⤵
          PID:3872
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=1596,i,15493385112769890810,15641598527923521427,524288 --field-trial-handle=2004,i,1462391289482053864,17367059532559745599,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=2280 /prefetch:3
          2⤵
          • System Time Discovery
          PID:3712
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --metrics-shmem-handle=2388,i,6448239495823386202,1998938529833836225,524288 --field-trial-handle=2004,i,1462391289482053864,17367059532559745599,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=2496 /prefetch:8
          2⤵
            PID:3528
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --metrics-shmem-handle=3128,i,16383510497298171386,3133808297350851637,2097152 --field-trial-handle=2004,i,1462391289482053864,17367059532559745599,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=3164 /prefetch:1
            2⤵
              PID:3244
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --metrics-shmem-handle=3156,i,14460574986021250303,286549294898552895,2097152 --field-trial-handle=2004,i,1462391289482053864,17367059532559745599,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=3184 /prefetch:1
              2⤵
                PID:4428
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --extension-process --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --metrics-shmem-handle=4384,i,10759457672640420966,15500035470095901664,2097152 --field-trial-handle=2004,i,1462391289482053864,17367059532559745599,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=4396 /prefetch:2
                2⤵
                  PID:2620
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=5660,i,10660208851922389425,2933930839979305280,524288 --field-trial-handle=2004,i,1462391289482053864,17367059532559745599,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=5668 /prefetch:8
                  2⤵
                    PID:4100
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.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 --metrics-shmem-handle=4976,i,18375167654649247261,8996040155544037706,524288 --field-trial-handle=2004,i,1462391289482053864,17367059532559745599,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=4956 /prefetch:8
                    2⤵
                      PID:5112
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.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 --metrics-shmem-handle=4980,i,2798259756130642902,9116074420468821265,524288 --field-trial-handle=2004,i,1462391289482053864,17367059532559745599,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=5020 /prefetch:8
                      2⤵
                        PID:4144
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.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 --metrics-shmem-handle=4872,i,10569110267517091654,1134678633211791236,524288 --field-trial-handle=2004,i,1462391289482053864,17367059532559745599,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=4884 /prefetch:8
                        2⤵
                          PID:2148
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --metrics-shmem-handle=4960,i,11809284533977501017,15001221599854191975,2097152 --field-trial-handle=2004,i,1462391289482053864,17367059532559745599,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=4856 /prefetch:1
                          2⤵
                            PID:2284
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --metrics-shmem-handle=3100,i,10506732083032197797,12331519944518665981,2097152 --field-trial-handle=2004,i,1462391289482053864,17367059532559745599,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=3304 /prefetch:1
                            2⤵
                              PID:3768
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --metrics-shmem-handle=4776,i,10027334284255331721,2987094243577065526,2097152 --field-trial-handle=2004,i,1462391289482053864,17367059532559745599,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=4856 /prefetch:1
                              2⤵
                                PID:880
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --metrics-shmem-handle=3196,i,18353661283144982017,3179266925358393028,2097152 --field-trial-handle=2004,i,1462391289482053864,17367059532559745599,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=4436 /prefetch:1
                                2⤵
                                  PID:2460
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --metrics-shmem-handle=4832,i,4989276714628269405,3653177428894354449,2097152 --field-trial-handle=2004,i,1462391289482053864,17367059532559745599,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=4856 /prefetch:1
                                  2⤵
                                    PID:784
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=17 --metrics-shmem-handle=840,i,212949918387520360,7854521420914414930,2097152 --field-trial-handle=2004,i,1462391289482053864,17367059532559745599,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=3948 /prefetch:1
                                    2⤵
                                      PID:5020
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.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=10.0.19041.4355 --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADoAAAIAAAAAAAAAAAAAGAAAQAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=4960,i,10135799992641854185,4469046420721368881,262144 --field-trial-handle=2004,i,1462391289482053864,17367059532559745599,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=4852 /prefetch:8
                                      2⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:3168
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=19 --metrics-shmem-handle=4468,i,161112198775327147,12105725405274319795,2097152 --field-trial-handle=2004,i,1462391289482053864,17367059532559745599,262144 --variations-seed-version=20260513-010036.937000-production --mojo-platform-channel-handle=4960 /prefetch:1
                                      2⤵
                                        PID:772
                                    • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                                      "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                                      1⤵
                                        PID:4584
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                        1⤵
                                          PID:5036

                                        Network

                                              MITRE ATT&CK Enterprise v16

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              0cbd4b59-f630-47a5-add5-f2bec08a504d.tmp

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\0cbd4b59-f630-47a5-add5-f2bec08a504d.tmp
                                              • Size 649B
                                              • SHA256 9c29e7afc2f436485aef86d57621ab7e73252d0571f978cb3aab1c8741f2652a
                                              • MD5 SHA1 SHA512 TLSH

                                              BookmarkMergedSurfaceOrdering

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

                                              Network Persistent State

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                              • Size 2KB
                                              • SHA256 67e536a15bff696c1ebe1af6a545f2a9bcbc6b039a930cfec5e2b1cc2d783ba4
                                              • MD5 SHA1 SHA512 TLSH

                                              Network Persistent State

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                              • Size 2KB
                                              • SHA256 3032291879b9ed13a263426e01d0033afd01277399826a50ca3f1bed08a6a69e
                                              • MD5 SHA1 SHA512 TLSH

                                              Network Persistent State

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                              • Size 2KB
                                              • SHA256 9d8be72ae4315585233a812c2149ab05c67a9ab41d14249564a8b708c9d511f2
                                              • MD5 SHA1 SHA512 TLSH

                                              SCT Auditing Pending Reports

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                                              • Size 2B
                                              • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                              • MD5 SHA1 SHA512

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 12KB
                                              • SHA256 afc70cd0c32ad821fb5d935d0cdda12a4366a53ca9e3a0c19d5c61512e4df810
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 12KB
                                              • SHA256 c342a6595f4c61aad4a1033922d32e91e66e0e9d667a35f12ea7113601d4bc70
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 13KB
                                              • SHA256 589a7d38619b0a6ccc435bae833140dc108c445c58525859a3699b26e9342a30
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 12KB
                                              • SHA256 1f16230fa941755d199d12ac0d6b62968e9c8c739449d54c20a00e2dde3d136c
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 13KB
                                              • SHA256 48ce6f045f700285c31b05a13f78f92f7bc4c7b9905ff9069361e7adbb76029e
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Secure Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                              • Size 17KB
                                              • SHA256 12c953d824d37f2911dece87103645968222d9440f29f0d4f503a292fc62cc14
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              the-real-index

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index
                                              • Size 120B
                                              • SHA256 ec5c7634f39e5053c19f3af8ed9173cf9910d66eec42f9ef5e283c9ddf127332
                                              • MD5 SHA1 SHA512 TLSH

                                              the-real-index~RFe588652.TMP

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe588652.TMP
                                              • Size 96B
                                              • SHA256 05dd6bc0e5e35cd3b4be590eb2292c728a49f8275ff5184594d22e33693a802e
                                              • MD5 SHA1 SHA512 TLSH

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                              • Size 116KB
                                              • SHA256 1ff77ef2b4da47e47be15f8cd1f0568e1fb2229714944958ed56ccdf062341cc
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                              • Size 115KB
                                              • SHA256 e85fbd6c78eaad610ac48047779b0190fed209ac2d912a7627b639301ac05376
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                              • Size 116KB
                                              • SHA256 451a454fb66bc8252d5bc292a7675b5db9ea9877428de5c05491da836cffdb0e
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                              • Size 116KB
                                              • SHA256 ebaae00feab2ab40a57488744fbac10300373385e18a0ff06d34dc2e9e6e1dc6
                                              • MD5 SHA1 SHA512 SSDEEP TLSH