Resubmissions

05/05/2026, 22:28

260505-2dw21afz7y4

05/05/2026, 22:24

260505-2brphab14p3

05/05/2026, 22:17

260505-17qawafy9z4

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    05/05/2026, 22:24

General

  • Target
    RiotClientCrashHandler.exe
  • Size 870KB
  • Sample260505-2brphab14p
  • SHA256 d224446bc4aed018940fe1a13e5bab2e6b98769199a612e07493bd091b394315
  • 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.

  • 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
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RiotClientCrashHandler.exe
    "C:\Users\Admin\AppData\Local\Temp\RiotClientCrashHandler.exe"
    1⤵
      PID:4464
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      1⤵
      • Checks processor information in registry
      • 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:2780
      • 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=0x118,0x11c,0x120,0xf4,0x124,0x7fffbd14c728,0x7fffbd14c734,0x7fffbd14c740
        2⤵
          PID:2728
        • 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=1940,i,10163090055471944003,9696929436153400760,524288 --field-trial-handle=2028,i,11752940416980275476,4018260581670807595,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=2080 /prefetch:3
          2⤵
          • System Time Discovery
          PID:4060
        • 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=1712,i,6428495361979053627,18380509094835528253,262144 --field-trial-handle=2028,i,11752940416980275476,4018260581670807595,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=2024 /prefetch:2
          2⤵
            PID:4396
          • 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=2428,i,12033705975761344336,17454332977379257711,524288 --field-trial-handle=2028,i,11752940416980275476,4018260581670807595,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=2260 /prefetch:8
            2⤵
              PID:4180
            • 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=3200,i,15466781028393870971,10866292194494338572,2097152 --field-trial-handle=2028,i,11752940416980275476,4018260581670807595,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=3212 /prefetch:1
              2⤵
                PID:3664
              • 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=3216,i,9755214259404732777,10782801011715811361,2097152 --field-trial-handle=2028,i,11752940416980275476,4018260581670807595,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=3260 /prefetch:1
                2⤵
                  PID:4456
                • 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=4216,i,12349211325459339150,17293958627645552327,2097152 --field-trial-handle=2028,i,11752940416980275476,4018260581670807595,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=4264 /prefetch:2
                  2⤵
                    PID:4184
                  • 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=4628,i,16933195137424195969,16690748740984404105,2097152 --field-trial-handle=2028,i,11752940416980275476,4018260581670807595,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=4648 /prefetch:1
                    2⤵
                      PID:3952
                    • 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=5420,i,12886297850916377314,3962135938011348199,524288 --field-trial-handle=2028,i,11752940416980275476,4018260581670807595,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=5388 /prefetch:8
                      2⤵
                        PID:1544
                      • 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=5920,i,2905287850565863285,9758829327850491282,524288 --field-trial-handle=2028,i,11752940416980275476,4018260581670807595,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=5752 /prefetch:8
                        2⤵
                          PID:4268
                        • 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=5716,i,4665332942064691113,17133129793017139861,524288 --field-trial-handle=2028,i,11752940416980275476,4018260581670807595,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=5880 /prefetch:8
                          2⤵
                            PID:1676
                          • 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=5724,i,6618497895265258499,2639637394084221167,524288 --field-trial-handle=2028,i,11752940416980275476,4018260581670807595,262144 --variations-seed-version=20260129-090048.396000 --mojo-platform-channel-handle=5952 /prefetch:8
                            2⤵
                              PID:3940
                          • 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:1724
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                              1⤵
                                PID:5060

                              Network

                                    MITRE ATT&CK Enterprise v16

                                    Replay Monitor

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                                    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 71341813cea1d30ef18507a21192f9ada4815a8e5951d3e09e9f6e3faf6032a3
                                    • 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 11874829307764000b503f9fe1dd0010032b5a668e524de730365fde85361d66
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Secure Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                    • Size 17KB
                                    • SHA256 03973a25da0021eab19b8f1369a5523343654f3887234a1e1cc301245a48728d
                                    • 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 0ff53acd824c5c9f00727778d4b63a1579669cf639c73dbc7419eee547c58ebd
                                    • MD5 SHA1 SHA512 TLSH

                                    the-real-index~RFe5a516d.TMP

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe5a516d.TMP
                                    • Size 96B
                                    • SHA256 444f9a68cdcc53a7a306d4bb7004aad1daf51f5d3360d8895649ac9e4ec86b01
                                    • MD5 SHA1 SHA512 TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 198KB
                                    • SHA256 6fff41c46b271a0fb989285d7aeea43fd5bbc3c34f64f388c3e65153f6ae5d4a
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 89KB
                                    • SHA256 137d2315a309e5ceae82644704760e7cf45dbbcfadbd0fa9cfc7854a260afe30
                                    • MD5 SHA1 SHA512 SSDEEP TLSH