Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    162s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    14/08/2026, 19:25

General

  • Target
    resources/public/api-ms-win-crt-environment-l1-1-0.dll
  • Size 18KB
  • Sample260814-x49css1scs
  • SHA256 f7c6c7ea22edd2f8bd07aa5b33cbce862ef1dcdc2226eb130e0018e02ff91dc1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10

Malware Config

Signatures

  • 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 data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\resources\public\api-ms-win-crt-environment-l1-1-0.dll,#1
    1⤵
      PID:4196
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      1⤵
      • 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:3836
      • 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,0x100,0x104,0xd8,0x108,0x7ffbf33dc728,0x7ffbf33dc734,0x7ffbf33dc740
        2⤵
          PID:2604
        • 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=1588,i,5265709258795921267,3120641644865877707,262144 --field-trial-handle=1840,i,10840743670430308781,14768011964020041139,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=1836 /prefetch:2
          2⤵
            PID:1232
          • 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=2180,i,1473309905506022959,14308490647479495118,524288 --field-trial-handle=1840,i,10840743670430308781,14768011964020041139,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2244 /prefetch:11
            2⤵
            • System Time Discovery
            PID:1400
          • 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,490540923658914221,8486296073395279259,524288 --field-trial-handle=1840,i,10840743670430308781,14768011964020041139,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2552 /prefetch:13
            2⤵
              PID:4644
            • 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=3236,i,11380952675565594770,4043689790196215756,2097152 --field-trial-handle=1840,i,10840743670430308781,14768011964020041139,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3432 /prefetch:1
              2⤵
                PID:4104
              • 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=3408,i,3590641897919125376,7233382257243253343,2097152 --field-trial-handle=1840,i,10840743670430308781,14768011964020041139,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3484 /prefetch:1
                2⤵
                  PID:2200
                • 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=4472,i,5917025607120136934,12584136601013159099,2097152 --field-trial-handle=1840,i,10840743670430308781,14768011964020041139,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=4504 /prefetch:9
                  2⤵
                    PID:4032
                  • 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=4852,i,9445375451220715014,6143657594056389635,2097152 --field-trial-handle=1840,i,10840743670430308781,14768011964020041139,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=4708 /prefetch:1
                    2⤵
                      PID:440
                    • 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=5576,i,7223543115120832774,1238013786332288078,524288 --field-trial-handle=1840,i,10840743670430308781,14768011964020041139,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5580 /prefetch:14
                      2⤵
                        PID:4724
                      • 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=10 --metrics-shmem-handle=5836,i,12631603806503883129,17557654831051773144,2097152 --field-trial-handle=1840,i,10840743670430308781,14768011964020041139,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5812 /prefetch:1
                        2⤵
                          PID:1824
                        • 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=11 --metrics-shmem-handle=4908,i,16352528944251111622,5210803737297921607,2097152 --field-trial-handle=1840,i,10840743670430308781,14768011964020041139,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5632 /prefetch:1
                          2⤵
                            PID:4108
                          • 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=6064,i,16631771808153879567,4876012036730081930,2097152 --field-trial-handle=1840,i,10840743670430308781,14768011964020041139,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=4740 /prefetch:1
                            2⤵
                              PID:5520
                            • 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=5876,i,15657336293489566719,12974503864674406116,2097152 --field-trial-handle=1840,i,10840743670430308781,14768011964020041139,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=6040 /prefetch:1
                              2⤵
                                PID:724
                              • 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=6248,i,16117275267854514729,10134533400150274753,524288 --field-trial-handle=1840,i,10840743670430308781,14768011964020041139,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=6220 /prefetch:14
                                2⤵
                                  PID:3572
                                • 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=6252,i,12195036944599900584,17728335085095495268,524288 --field-trial-handle=1840,i,10840743670430308781,14768011964020041139,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=6176 /prefetch:14
                                  2⤵
                                    PID:2304
                                  • 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=6204,i,2974543180860074824,112126696468209016,524288 --field-trial-handle=1840,i,10840743670430308781,14768011964020041139,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=6244 /prefetch:14
                                    2⤵
                                      PID:2540
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe"
                                    1⤵
                                    • Suspicious use of WriteProcessMemory
                                    PID:2228
                                    • 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,0x100,0x104,0xd8,0x108,0x7ffbf33dc728,0x7ffbf33dc734,0x7ffbf33dc740
                                      2⤵
                                        PID:4560
                                    • 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:1668
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                        1⤵
                                          PID:5968

                                        Network

                                              MITRE ATT&CK Enterprise v16

                                              Replay Monitor

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                                              Downloads

                                              settings.dat

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\settings.dat
                                              • Size 40B
                                              • SHA256 62943e86a1df19d3b3008bc9f5468bf708a204376798193da8120ab1ea31c435
                                              • MD5 SHA1 SHA512

                                              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 0cf8482edf76599a1bc5ffe2e6056d7b8373cdc40caad677204d83e1e6bac256
                                              • MD5 SHA1 SHA512 TLSH

                                              f_000008

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000008
                                              • Size 335KB
                                              • SHA256 510937c81cb1a502119ab143419709b78c971a487406b87287e5d0e818995e9a
                                              • MD5 SHA1 SHA512 SSDEEP 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 2d24073f98e62d8c545b05c16636b848f2ad6ea30c0f04b9abb930104770e9f7
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 13KB
                                              • SHA256 1732b486a29cc3765d431e0788e952f3c9fe3004b548731138cb2738bd0c8212
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Secure Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                              • Size 17KB
                                              • SHA256 3fceec2368f93ddd3be7eaa1465a3011c325ff47801261d2e3bc86a459460fa8
                                              • 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 b76f7b0c0bbc3a8af45b3b5c4b8ff0193fe65be69dec794066a757759745723f
                                              • MD5 SHA1 SHA512 TLSH

                                              the-real-index~RFe5a67c4.TMP

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe5a67c4.TMP
                                              • Size 96B
                                              • SHA256 3b45fcb0cd5524cc9a5651ae161064eec1ab806254caf89772225055fe1adf51
                                              • MD5 SHA1 SHA512 TLSH

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                              • Size 239KB
                                              • SHA256 bb683d2e5dcae3525cc666813d10ba17eb20d98bc976d5aa8fadbf8eaf2133d4
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                              • Size 115KB
                                              • SHA256 22875a9901b9072106a355d264aa2df7814c511ecccdb80733888cbc9f1d59b1
                                              • MD5 SHA1 SHA512 SSDEEP TLSH