Analysis

  • user interaction
    yes
  • max time kernel
    899s
  • max time network
    894s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    29/04/2026, 02:51

General

  • Target
    $PLUGINSDIR/NSISdl.dll
  • Size 15KB
  • Sample260429-dcf3dsbz2n
  • SHA256 419485a096bc7d95f872ed1b9b7b5c537231183d710363beee4d235bb79dbe04
  • 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.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 2 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4628
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 492
        3⤵
        • Program crash
        PID:2896
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4628 -ip 4628
    1⤵
      PID:3344
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      1⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4576
      • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffb7ce1c728,0x7ffb7ce1c734,0x7ffb7ce1c740
        2⤵
          PID:768
        • 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=1652,i,18097157809476117735,15118928382403934210,262144 --field-trial-handle=1968,i,4648101035671023968,2936117347464110833,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=1964 /prefetch:2
          2⤵
            PID:2732
          • 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=1456,i,9550627148305825679,14889661356639722983,524288 --field-trial-handle=1968,i,4648101035671023968,2936117347464110833,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=2268 /prefetch:11
            2⤵
            • System Time Discovery
            PID:444
          • 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,5368129494365230388,7547565908871575056,524288 --field-trial-handle=1968,i,4648101035671023968,2936117347464110833,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=2360 /prefetch:13
            2⤵
              PID:3796
            • 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=3244,i,8920653212348479998,4158145005807593862,2097152 --field-trial-handle=1968,i,4648101035671023968,2936117347464110833,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=3456 /prefetch:1
              2⤵
                PID:1192
              • 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=3268,i,10231961798964887622,2429116262456006167,2097152 --field-trial-handle=1968,i,4648101035671023968,2936117347464110833,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=3492 /prefetch:1
                2⤵
                  PID:2416
                • 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 --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=4192,i,11768710648155819125,11658983608600124582,2097152 --field-trial-handle=1968,i,4648101035671023968,2936117347464110833,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=4208 /prefetch:9
                  2⤵
                    PID:1680
                  • 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=8 --metrics-shmem-handle=4672,i,14248045470810321555,85239169565212831,2097152 --field-trial-handle=1968,i,4648101035671023968,2936117347464110833,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=4504 /prefetch:1
                    2⤵
                      PID:1460
                    • 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=5480,i,16355836926587360456,18052969681289233463,524288 --field-trial-handle=1968,i,4648101035671023968,2936117347464110833,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=5488 /prefetch:14
                      2⤵
                        PID:2932
                      • 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=5820,i,3942127903590049759,13695153978633631742,524288 --field-trial-handle=1968,i,4648101035671023968,2936117347464110833,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=5836 /prefetch:14
                        2⤵
                          PID:1448
                        • 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=5824,i,11352969455851083557,11964475509350406843,524288 --field-trial-handle=1968,i,4648101035671023968,2936117347464110833,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=5808 /prefetch:14
                          2⤵
                            PID:2036
                          • 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=5832,i,10286809366323140210,10724274874027670881,524288 --field-trial-handle=1968,i,4648101035671023968,2936117347464110833,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=5500 /prefetch:14
                            2⤵
                              PID:3484
                            • 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=10.0.22000.1 --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADoAAAIAAAAAAAAAAAAAGAAAQAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=1196,i,12373383015510752856,1878301908772745178,262144 --field-trial-handle=1968,i,4648101035671023968,2936117347464110833,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=5668 /prefetch:10
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:912
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=on_device_model.mojom.OnDeviceModelService --lang=en-US --service-sandbox-type=on_device_model_execution --force-high-res-timeticks=disabled --metrics-shmem-handle=5812,i,434487820999108479,761730416074715811,524288 --field-trial-handle=1968,i,4648101035671023968,2936117347464110833,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=4604 /prefetch:14
                              2⤵
                                PID:4744
                            • 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:3372
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                1⤵
                                  PID:1832

                                Network

                                      MITRE ATT&CK Enterprise v16

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      BookmarkMergedSurfaceOrdering

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

                                      BrowsingTopicsState

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BrowsingTopicsState
                                      • Size 414B
                                      • SHA256 d86901f35f1bd9ded0b95931562f323beb34db8f8dcb715ad0d427219856e86a
                                      • 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 82dc7ad668296cfdbaf53ec7bc23b0788352379655218eaf5c07558284a6e7a9
                                      • MD5 SHA1 SHA512 TLSH

                                      Network Persistent State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                      • Size 3KB
                                      • SHA256 5d0909593a4074c551dff5ff02346f36027b81843a0018065d363f07539f05bd
                                      • MD5 SHA1 SHA512 TLSH

                                      Network Persistent State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                      • Size 3KB
                                      • SHA256 38ea41b7842a4edb0cadefe9e3356336a85154fd22068737f20e873e0db9592d
                                      • MD5 SHA1 SHA512 TLSH

                                      Network Persistent State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                      • Size 4KB
                                      • SHA256 62132c0486f13d7503f89b9da81f6a705ecbfe2fe12359bbf52d29a339101737
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Network Persistent State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                      • Size 3KB
                                      • SHA256 007d62a4044a9e293b6bf7c85523e1c6bcdde947c5a38767fd6f3c3fd887bf68
                                      • 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

                                      TransportSecurity

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                      • Size 523B
                                      • SHA256 f9a71c0e8aae967365185e88a0c9a0aa4dc892e5461591405e3adbde62de68a8
                                      • MD5 SHA1 SHA512 TLSH

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 12KB
                                      • SHA256 8c8e61b4568eca22cbd3e7d3273a6c762df89de16c7879858b6574a9070a7419
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 12KB
                                      • SHA256 6bc008b84f7b49ff858d3d66f0845e061d7156ec3eb3135233ed39599baa1e15
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 13KB
                                      • SHA256 6c09056b484268f344d1e1eee4c2792ec6657c68ecc90cfcadd8ec035498bd3d
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 13KB
                                      • SHA256 e3a548bf430585a3c9cac9d556013d49d18bb3ab539c4a7215186146383bc28b
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Secure Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                      • Size 17KB
                                      • SHA256 5ab444414a02d4891c7cbb4db3735bec720facb3265bdedc915a68f6beef1cd9
                                      • 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 dc9eaa6c9a9b8d92d80839a860a84ea21f518fc254c010bcdd0ea425fa044d7e
                                      • MD5 SHA1 SHA512 TLSH

                                      the-real-index~RFe59071a.TMP

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe59071a.TMP
                                      • Size 96B
                                      • SHA256 a1ae8ca1ff65b5b4ea6d5ce00b8c7289e4dc4e66c244a07c483e7145539792e4
                                      • MD5 SHA1 SHA512 TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 198KB
                                      • SHA256 87e65d7041ec63634c149016cc419f51207952247fd96a4ba69e62b5f72f7326
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 199KB
                                      • SHA256 e959a5b5c70f4d90ce6681a96848d88b904fc293fbdbdd33b585bd116185367a
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 199KB
                                      • SHA256 6d49293d9b91d73527b5175fde56d0018bb449664ca32ca0107c0e4fdd9accde
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 198KB
                                      • SHA256 a47287487f5a28c558fa205d6f609312d3cea29fece46f58f0524b38a0edef3f
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 90KB
                                      • SHA256 9f7b2d760746ba78a26fb28d1c3140434deb6a47fb6e8fce06f60dc80c81857a
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      memory/4628-0-0x0000000001090000-0x000000000114B000-memory.dmp