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Analysis

  • max time kernel
    145s
  • max time network
    140s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250113-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    23/01/2025, 00:53

General

  • Target

    https://stemmcommunnity.com/105842916025

Malware Config

Signatures

  • Detected potential entity reuse from brand STEAM.
  • Drops file in Program Files directory 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --single-argument https://stemmcommunnity.com/105842916025
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3348
    • 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:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x124,0x128,0x12c,0x100,0x130,0x7ffd71bc46f8,0x7ffd71bc4708,0x7ffd71bc4718
      2⤵
        PID:1960
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2224,6380109952343978896,11462704139289153317,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2236 /prefetch:2
        2⤵
          PID:1300
        • 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 --field-trial-handle=2224,6380109952343978896,11462704139289153317,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2288 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3032
        • 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 --field-trial-handle=2224,6380109952343978896,11462704139289153317,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2752 /prefetch:8
          2⤵
            PID:2384
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2224,6380109952343978896,11462704139289153317,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3424 /prefetch:1
            2⤵
              PID:4972
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2224,6380109952343978896,11462704139289153317,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3432 /prefetch:1
              2⤵
                PID:1904
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2224,6380109952343978896,11462704139289153317,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4576 /prefetch:1
                2⤵
                  PID:3120
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2224,6380109952343978896,11462704139289153317,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5788 /prefetch:1
                  2⤵
                    PID:1520
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2224,6380109952343978896,11462704139289153317,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3680 /prefetch:1
                    2⤵
                      PID:1728
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2224,6380109952343978896,11462704139289153317,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4852 /prefetch:8
                      2⤵
                        PID:4660
                      • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
                        2⤵
                        • Drops file in Program Files directory
                        PID:2088
                        • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x248,0x24c,0x250,0x224,0x254,0x7ff6474e5460,0x7ff6474e5470,0x7ff6474e5480
                          3⤵
                            PID:4048
                        • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2224,6380109952343978896,11462704139289153317,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4852 /prefetch:8
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:1888
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2224,6380109952343978896,11462704139289153317,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4004 /prefetch:1
                          2⤵
                            PID:3828
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2224,6380109952343978896,11462704139289153317,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5936 /prefetch:1
                            2⤵
                              PID:2644
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2224,6380109952343978896,11462704139289153317,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.4355 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4044 /prefetch:2
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:3280
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:1724
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:1284

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

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                              Downloads

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                Filesize

                                152B

                                MD5

                                17ce65d3b0632bb31c4021f255a373da

                                SHA1

                                a3e2a27a37e5c7aeeeb5d0d9d16ac8fa042d75da

                                SHA256

                                e7b5e89ba9616d4bac0ac851d64a5b8ea5952c9809f186fab5ce6a6606bce10a

                                SHA512

                                1915d9d337fef7073916a9a4853dc2cb239427386ce596afff8ab75d7e4c8b80f5132c05ebd3143176974dbeb0ded17313797274bc5868310c2d782aac5e965f

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                Filesize

                                152B

                                MD5

                                63af7b2048710d6f167f35d94632a257

                                SHA1

                                812c8f140a72114add2f38cab52fd149ad8bdcfb

                                SHA256

                                15aafcc88226b6178e02a93858555ca48fb205ae317815ce31aa547555329046

                                SHA512

                                0519b7dcbce66aecefbd2aaea6120c0da213d8bb3e00a7599bf2e390bee3f643baf952cc553766f8c2779fe9fa303570a56a8c846c11e2fcf9c2075c1e41ccc4

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\75d01f5d-847c-4f64-9c58-aefa33c6129e.tmp

                                Filesize

                                873B

                                MD5

                                0133d04973310b0f47932289bd291e17

                                SHA1

                                d19636e756889a76b6203275e9928fca8ffb3eb2

                                SHA256

                                620a5516080352ca8775b9137c2f9b822605f8c02ea2a5fadd84ecc4719bd9fc

                                SHA512

                                19d42ca1a606f53b57b604247ec320516bcf29c1f8910adfd12ff3918514bf342349ac6ffdb271b6f78b83b522d770caa8d7bd24725df2eacf95c762dcd5d069

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

                                Filesize

                                48B

                                MD5

                                7baef3b1e23e0fa3d0da6c892ffc514e

                                SHA1

                                653448ef41bfdf03510dff15c2b88de2507a9621

                                SHA256

                                1035dd2160ed642c081a19cd7ea1f1ecb208d39090e58bd0a5549f30f38825b8

                                SHA512

                                5e22c47ec458aca3963e87e1fa5c62162ec38cdf5d83c6b48456a25cff22e461194bd30ec5194a04752d71dfa826cdd470586945c66095288534c7cf75e9c003

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

                                Filesize

                                408B

                                MD5

                                ce3b0d5608ee41765d2b8b47f44513b5

                                SHA1

                                3a393aedc7601ed4e17cca88f30d7f44f206b421

                                SHA256

                                b7c3a97ae1deba8197052f9dceb745da97cfd33133302e6ee0e1d9976e1930de

                                SHA512

                                b26a2bcfbb3dfa9795540653b017be34d2dd2fb7a5fa4245921d8c618aebccbcf10cca606fd426ff91d34909c5b3f61aafb692afa753442580456476b186b01b

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Edge Profile.ico

                                Filesize

                                70KB

                                MD5

                                e5e3377341056643b0494b6842c0b544

                                SHA1

                                d53fd8e256ec9d5cef8ef5387872e544a2df9108

                                SHA256

                                e23040951e464b53b84b11c3466bbd4707a009018819f9ad2a79d1b0b309bc25

                                SHA512

                                83f09e48d009a5cf83fa9aa8f28187f7f4202c84e2d0d6e5806c468f4a24b2478b73077381d2a21c89aa64884df3c56e8dc94eb4ad2d6a8085ac2feb1e26c2ef

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State~RFe58a0ee.TMP

                                Filesize

                                59B

                                MD5

                                2800881c775077e1c4b6e06bf4676de4

                                SHA1

                                2873631068c8b3b9495638c865915be822442c8b

                                SHA256

                                226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974

                                SHA512

                                e342407ab65cc68f1b3fd706cd0a37680a0864ffd30a6539730180ede2cdcd732cc97ae0b9ef7db12da5c0f83e429df0840dbf7596aca859a0301665e517377b

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                Filesize

                                5KB

                                MD5

                                556bf62b03ed70ad88d90219de4fd79a

                                SHA1

                                231fe09bb2f3096d7df976e06f22d417b22487e0

                                SHA256

                                f65150b2bd0526e5952a9fd005a0348a8a23f0453ddd3271b2b33511134e79f6

                                SHA512

                                3d73dc509c17282b6b80ba54675bfe51a89e9c3f37b19a1b6310b772f65d9176406c7d3dbc371e10b5d326fdea58270a7d1ff68d3837c2ebfbf46dc76a5f68b8

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                Filesize

                                5KB

                                MD5

                                b36180f4245f00a8826a92b940b38694

                                SHA1

                                f337982e7248e841e5b9c0d3c5d1d8ab000c9569

                                SHA256

                                1748582b558d9ed94dcce7d7762faaf837e4e5fbdeba0c12e636550df4ab61a3

                                SHA512

                                2d32933168aaf99a9bb4d2c056f08c4e4087fd8eb15411739b6e6abff3e40a4d88d0c63467f78b7aef345305f9fb14f78871f28f81bb50541f94dee62cb47826

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                Filesize

                                5KB

                                MD5

                                7b39d7ea3176f3862dc112cc14c2be5a

                                SHA1

                                59ff3e9745ab97763a61204047251132e88959b1

                                SHA256

                                ebb6892af93877c3c1eaacc245f4080ac1ee54f9e2fc9a78d5e86a8855bcc117

                                SHA512

                                16f59f4c9afe01f58a61bffb2f9cca80a0cc5499a7943eaabeb4744f8c75fe6105e126c83b1774e6bddeb256f39cd1b99ff2eeb0a6c27df9a1809ef4976beb68

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences

                                Filesize

                                24KB

                                MD5

                                b8d5a6329bbc5edf31844f6bfa4ae972

                                SHA1

                                1014d91ea7a8867459e7014a725794728d75793d

                                SHA256

                                2d90e12869f60c869911a3030ea58211b6b0da7c53d396769f4b3dea0c406309

                                SHA512

                                d6b4a08d7188e48b3ec2dbaa78f1ccc23334f43266602c677ba5c52d54554ad02e5ffc32e852de47291e3f1291dfc34db62d4a1eb5f631aad0a0340d30e5f7ed

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences

                                Filesize

                                24KB

                                MD5

                                8ade2f3a82060e6d5b1e97b275213d86

                                SHA1

                                a13c13d850addf7c1c1d58c583255f77b40b7834

                                SHA256

                                fc73beb5ec396531d7267cd4980e720590ae4c7c34b6bc63bcceef59730d324d

                                SHA512

                                51d989a44462ffea680e4bd9b20c46705793236712d11f0400e12caaac3512d662a41b4b49e7e309c8e752dc7738eda080451b74736c6428541196dd7bb8ca98

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                                Filesize

                                16B

                                MD5

                                206702161f94c5cd39fadd03f4014d98

                                SHA1

                                bd8bfc144fb5326d21bd1531523d9fb50e1b600a

                                SHA256

                                1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

                                SHA512

                                0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\shared_proto_db\MANIFEST-000001

                                Filesize

                                41B

                                MD5

                                5af87dfd673ba2115e2fcf5cfdb727ab

                                SHA1

                                d5b5bbf396dc291274584ef71f444f420b6056f1

                                SHA256

                                f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4

                                SHA512

                                de34583a7dbafe4dd0dc0601e8f6906b9bc6a00c56c9323561204f77abbc0dc9007c480ffe4092ff2f194d54616caf50aecbd4a1e9583cae0c76ad6dd7c2375b

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\shared_proto_db\metadata\CURRENT

                                Filesize

                                16B

                                MD5

                                46295cac801e5d4857d09837238a6394

                                SHA1

                                44e0fa1b517dbf802b18faf0785eeea6ac51594b

                                SHA256

                                0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                                SHA512

                                8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                                Filesize

                                8KB

                                MD5

                                b01493b8b0bb123a4107f6791cdc895c

                                SHA1

                                138038825ec5eedefa6385ede0fbf93e5405e1e3

                                SHA256

                                b18f39bc3b2d22c0169531176993b85c9defa3921572619483f5c679e5a40f87

                                SHA512

                                e7ebed0e3dfb3dd7deaec95ae7ca09fffefd64b1c326c7b399734b9acd358c5a1274a4d564837438bc952c5d021c809353a30fdb6bad06d1c1cc278f3be728f1

                              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ccba5a5986c77e43.customDestinations-ms

                                Filesize

                                3KB

                                MD5

                                dc9ab7b672590f44031d1e38109299b0

                                SHA1

                                7f3ed9aa9d6aaf428da84e6facf252bfa968a6a0

                                SHA256

                                45d7bf1dccf716b49c3255f3a54e347122bfc417af569b4ac5bb4159d779bb8f

                                SHA512

                                3805398d7e13a268c4ce42b5b6c5b78c16cfdaffb5a31b79dcddc786a07f35e6e04616027375b9c4a4f6d742f3ce0999c4dd406abfd2a2ff6f080fde732b1985

                              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ccba5a5986c77e43.customDestinations-ms

                                Filesize

                                3KB

                                MD5

                                8e864620d04d48b79fe9c727ae9517c4

                                SHA1

                                e6844a193c4f3dabe45e5890d181a61467d59ed1

                                SHA256

                                92c202e1bfb93d20b89e2183d4d78b858285f08470e2e6d7dceba47f83c9be3d

                                SHA512

                                312213c03dc2918c597fe92c00c219a1de03b27e8139fcf90273e16f5770a40b57f4e7ca3c67c6e4ec18f7ed0fac448b18bb802be5aa35a5839138e3456c29e4