Analysis

  • max time kernel
    146s
  • max time network
    145s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    20/11/2024, 03:55

General

  • Target

    Atlantis Exploit_07486690.exe

  • Size

    5.7MB

  • MD5

    15d1c495ff66bf7cea8a6d14bfdf0a20

  • SHA1

    942814521fa406a225522f208ac67f90dbde0ae7

  • SHA256

    61c2c4a5d7c14f77ee88871ded4cc7f1e49dae3e4ef209504c66fedf4d22de42

  • SHA512

    063169f22108ac97a3ccb6f8e97380b1e48eef7a07b8fb20870b9bd5f03d7279d3fb10a69c09868beb4a1672ebe826198ae2d0ea81df4d29f9a288ea4f2b98d8

  • SSDEEP

    98304:+j8ab67Ht6RL8xpH4Tv7wPV6osBsBpPj7cZ+KCojTeEL78rqNkIi+bn:+j8aatLPV6oPrk38rqNj

Score
3/10

Malware Config

Signatures

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 5 IoCs
  • NTFS ADS 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 13 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Atlantis Exploit_07486690.exe
    "C:\Users\Admin\AppData\Local\Temp\Atlantis Exploit_07486690.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4264
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\link.txt
      2⤵
      • System Location Discovery: System Language Discovery
      • Opens file in notepad (likely ransom note)
      • Suspicious use of WriteProcessMemory
      PID:2620
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://go.microsoft.com/fwlink/?linkid=873217&q=http%3A%2F%2Fa.directfiledl.com%2Fgetfile%3Fid%3D07486690%26s%3D6762AEE9&form=NPCTXT
        3⤵
        • Enumerates system info in registry
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:3112
        • 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7fff16c53cb8,0x7fff16c53cc8,0x7fff16c53cd8
          4⤵
            PID:3320
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1932,4927972482820985021,11988073320373288107,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1948 /prefetch:2
            4⤵
              PID:1112
            • 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=1932,4927972482820985021,11988073320373288107,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2416 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:3476
            • 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=1932,4927972482820985021,11988073320373288107,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2820 /prefetch:8
              4⤵
                PID:760
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1932,4927972482820985021,11988073320373288107,131072 --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=3356 /prefetch:1
                4⤵
                  PID:3028
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1932,4927972482820985021,11988073320373288107,131072 --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=3312 /prefetch:1
                  4⤵
                    PID:480
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1932,4927972482820985021,11988073320373288107,131072 --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=4708 /prefetch:1
                    4⤵
                      PID:4796
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1932,4927972482820985021,11988073320373288107,131072 --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=3640 /prefetch:1
                      4⤵
                        PID:1180
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1932,4927972482820985021,11988073320373288107,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4892 /prefetch:1
                        4⤵
                          PID:4340
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1932,4927972482820985021,11988073320373288107,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2924 /prefetch:8
                          4⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:2196
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --field-trial-handle=1932,4927972482820985021,11988073320373288107,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=4796 /prefetch:8
                          4⤵
                            PID:364
                          • C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1932,4927972482820985021,11988073320373288107,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5612 /prefetch:8
                            4⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:4352
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1932,4927972482820985021,11988073320373288107,131072 --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=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5260 /prefetch:1
                            4⤵
                              PID:3084
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1932,4927972482820985021,11988073320373288107,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3676 /prefetch:1
                              4⤵
                                PID:8
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1932,4927972482820985021,11988073320373288107,131072 --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=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5652 /prefetch:1
                                4⤵
                                  PID:1572
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1932,4927972482820985021,11988073320373288107,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3732 /prefetch:1
                                  4⤵
                                    PID:4168
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1932,4927972482820985021,11988073320373288107,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=18 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6096 /prefetch:1
                                    4⤵
                                      PID:4272
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=1932,4927972482820985021,11988073320373288107,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5788 /prefetch:8
                                      4⤵
                                      • NTFS ADS
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:3092
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1932,4927972482820985021,11988073320373288107,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=20 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6152 /prefetch:1
                                      4⤵
                                        PID:2732
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1932,4927972482820985021,11988073320373288107,131072 --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=21 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6180 /prefetch:1
                                        4⤵
                                          PID:3672
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1932,4927972482820985021,11988073320373288107,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=22 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4740 /prefetch:1
                                          4⤵
                                            PID:2240
                                    • C:\Windows\System32\CompPkgSrv.exe
                                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                                      1⤵
                                        PID:2200
                                      • C:\Windows\System32\CompPkgSrv.exe
                                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                                        1⤵
                                          PID:3152
                                        • C:\Windows\system32\OpenWith.exe
                                          C:\Windows\system32\OpenWith.exe -Embedding
                                          1⤵
                                          • Modifies registry class
                                          • Suspicious use of SetWindowsHookEx
                                          PID:1144

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

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

                                          Filesize

                                          152B

                                          MD5

                                          1fc959921446fa3ab5813f75ca4d0235

                                          SHA1

                                          0aeef3ba7ba2aa1f725fca09432d384b06995e2a

                                          SHA256

                                          1b1e89d3b2f3da84cc8494d07cf0babc472c426ccb1c4ae13398243360c9d02c

                                          SHA512

                                          899d1e1b0feece25ac97527daddcaaeb069cb428532477849eba43a627502c590261f2c26fef31e4e20efd3d7eb0815336a784c4d2888e05afcf5477af872b06

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

                                          Filesize

                                          152B

                                          MD5

                                          e9a2c784e6d797d91d4b8612e14d51bd

                                          SHA1

                                          25e2b07c396ee82e4404af09424f747fc05f04c2

                                          SHA256

                                          18ddbb93c981d8006071f9d26924ce3357cad212cbb65f48812d4a474c197ce6

                                          SHA512

                                          fc35688ae3cd448ed6b2069d39ce1219612c54f5bb0dd7b707c9e6f39450fe9fb1338cf5bd0b82a45207fac2fbab1e0eae77e5c9e6488371390eab45f76a5df1

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

                                          Filesize

                                          476B

                                          MD5

                                          a73a34dda8250381278e80ce347f0590

                                          SHA1

                                          370e631557a0276b9a630705bdad3e0b9e4225fe

                                          SHA256

                                          90f5ac540ad8db2681ac253e53497eae149ba69695a95d4a75cc360a9bda24b9

                                          SHA512

                                          e694d3d4de8381cbb00c426916bcc588661fdc500a8a7497db261eecd582e3388361adc42f88c77f4150ca065fcd152ab3f2cfed62f4694ebd8b1a4ccc31de23

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

                                          Filesize

                                          5KB

                                          MD5

                                          3af35172eb5a9c06e8c9d111bc12dd01

                                          SHA1

                                          f6898616414a280e33188296de961a5459c481c1

                                          SHA256

                                          f99abdc13dcb7d1533547fd92da1f7fb86f7ef9a336227cc0135650cf75dae7e

                                          SHA512

                                          ee4ebe9f3eb43b23da0c50171a9a8bcaecdbe208b98bc7904ff846ce344d3d9b05ae677d00be157052b40b405776b511cb6e7216e23d62684b5933a26b04ee5a

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

                                          Filesize

                                          6KB

                                          MD5

                                          61502693c49b42e0d779b9d03cab99d6

                                          SHA1

                                          62070ca279968a6adaba697cce8a95deca15314c

                                          SHA256

                                          dc34c2e28832addbde20f2645ff67e1863ac56158a714c4deb4f7bc6824cf142

                                          SHA512

                                          6d95036f75a292e9b2d0a83b36a9abdf107c55cc37a98af642da262aa26ac7fb5ba74d322981ed98ffab729c6f960bb41ae123a8655c339d29614d70beba2d09

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

                                          Filesize

                                          6KB

                                          MD5

                                          481cd3a37965d7caf2d5313148bf5fc9

                                          SHA1

                                          325e1b3845132bf7b22f0ed342ed4ba312b2605e

                                          SHA256

                                          63b21d6fcfbdfc5626acc6dd4c7c0bd9b680d90d41d217489ad2aa6c5fe4dd29

                                          SHA512

                                          d152d32f097cc6a1ce43dbf25fd92353015fe75f0b1fcd5c96f875be1b4aa6c1b0d761138f9921dbd4bbe70fa2d542b1df5f11c63b442c5018d5dd78f30ed418

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

                                          Filesize

                                          16B

                                          MD5

                                          6752a1d65b201c13b62ea44016eb221f

                                          SHA1

                                          58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                                          SHA256

                                          0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                                          SHA512

                                          9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

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

                                          Filesize

                                          10KB

                                          MD5

                                          bc8c9a7eca21e1bf4cf1da01ff430ea7

                                          SHA1

                                          623ae5c1ab1779ea4569a87e0e36bb4d2099e49f

                                          SHA256

                                          4b07e78903af39016a6f85539f33a782a0f01213e6e40dada1f2d904abad270d

                                          SHA512

                                          fb8ed109a24c630d20492a05ec452be08a80ea5e59326d622843a79b9491039c385d7aa9dbc8630aa35d9bf9e4a4de007cf86c45ea6e5dc7c1597452813e92ed

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

                                          Filesize

                                          10KB

                                          MD5

                                          5f78c239ddd32fdf7eb43ec17c9b2bc0

                                          SHA1

                                          d50d79bf854cb596dd1f97a9de1454112ba65d77

                                          SHA256

                                          8d81edafab4effa8e70e4588b07c55ef6a91056ddfe1ecc761268c848b193d0f

                                          SHA512

                                          575ab9981e2089a5fb179036c70dc75f70a96420173ab118a247e4c06e6707d30ba887e4411ea24dde9a42a526dbfebaf86dc089251423b364896541d977a095

                                        • C:\Users\Admin\AppData\Local\link.txt

                                          Filesize

                                          57B

                                          MD5

                                          1555b808b8673ad8035b9f4e40538604

                                          SHA1

                                          dd678e95d231735510936a953eba4e6b16232339

                                          SHA256

                                          56191f7ab3c2ecad46346cad1c429d9abb523a8b57aacff6f09563820cf53fe9

                                          SHA512

                                          4b86e046c2c753d11cc5b1f782280c10204aac749db2a3420c19f0973cafb4fc7580215c94aa0948764f3d6ff6fec489c9abe5246a338dd3de29e0b1ec0d2dc0

                                        • C:\Users\Admin\Downloads\Release.rar

                                          Filesize

                                          1.9MB

                                          MD5

                                          99fb762746f8719f4421e1a897cf7846

                                          SHA1

                                          c4dbc0fb0c4c21dbdc61e2202162363d69092c8d

                                          SHA256

                                          2a2d19d053252c1d42e4b7e6119a443b08dabee38f18aa6bbff4e0b730275a5d

                                          SHA512

                                          931c16b5b4b1731e869a9ac4c016cfd02bf8c23c5f64b76621473bae449925e64bde1a6204ff9e51c439ac99cd47e7b6766babeb916bbffd9ec88cae944c7a56

                                        • C:\Users\Admin\Downloads\Release.rar:Zone.Identifier

                                          Filesize

                                          92B

                                          MD5

                                          8b14b921a0215611e1f4a50209f47d99

                                          SHA1

                                          4459dbe10c9a3fead2bcb1cdbcccc1c25cc998bd

                                          SHA256

                                          dff74c987001574675efefe71af295f7a0b059a5c4d463713f3f906a4423eb88

                                          SHA512

                                          5d80455a6977bea3dcf4dc107e52f8503b50fdff4411d1730facc1d46a64acce42f5cf142fc34cb1611d0c658502c061abfc64f2becd366026d1a31e688ffd53