Analysis

  • max time kernel
    16s
  • max time network
    16s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 09:02

General

  • Target

    https://myaccess.microsoft.com/myeosgroup.onmicrosoft.com#/access-reviews/80d181e7-6766-4fd8-b9ec-417b53db51dc

Malware Config

Signatures

  • Detected potential entity reuse from brand MICROSOFT.
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 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://myaccess.microsoft.com/myeosgroup.onmicrosoft.com#/access-reviews/80d181e7-6766-4fd8-b9ec-417b53db51dc
    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:4304
    • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ff9920546f8,0x7ff992054708,0x7ff992054718
      2⤵
        PID:844
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1876,13713252067818667882,11892675380665175157,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2076 /prefetch:2
        2⤵
          PID:3740
        • 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=1876,13713252067818667882,11892675380665175157,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2324 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3296
        • 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=1876,13713252067818667882,11892675380665175157,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2920 /prefetch:8
          2⤵
            PID:2672
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1876,13713252067818667882,11892675380665175157,131072 --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=3376 /prefetch:1
            2⤵
              PID:2548
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1876,13713252067818667882,11892675380665175157,131072 --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=3420 /prefetch:1
              2⤵
                PID:1044
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1876,13713252067818667882,11892675380665175157,131072 --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=4740 /prefetch:1
                2⤵
                  PID:1500
                • 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=1876,13713252067818667882,11892675380665175157,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5384 /prefetch:8
                  2⤵
                    PID:2132
                  • 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=1876,13713252067818667882,11892675380665175157,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5384 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    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=1876,13713252067818667882,11892675380665175157,131072 --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=5016 /prefetch:1
                    2⤵
                      PID:1700
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1876,13713252067818667882,11892675380665175157,131072 --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=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2696 /prefetch:1
                      2⤵
                        PID:4888
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1876,13713252067818667882,11892675380665175157,131072 --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=4164 /prefetch:1
                        2⤵
                          PID:4120
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1876,13713252067818667882,11892675380665175157,131072 --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=5600 /prefetch:1
                          2⤵
                            PID:1448
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:3136
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:1576

                            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

                              56a4f78e21616a6e19da57228569489b

                              SHA1

                              21bfabbfc294d5f2aa1da825c5590d760483bc76

                              SHA256

                              d036661e765ee8fd18978a2b5501e8df6b220e4bca531d9860407555294c96fb

                              SHA512

                              c2c3cd1152bb486028fe75ab3ce0d0bc9d64c4ca7eb8860ddd934b2f6e0140d2c913af4fa082b88e92a6a6d20fd483a1cb9813209f371a0f56374bc97d7f863b

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

                              Filesize

                              152B

                              MD5

                              e443ee4336fcf13c698b8ab5f3c173d0

                              SHA1

                              9bf70b16f03820cbe3158e1f1396b07b8ac9d75a

                              SHA256

                              79e277da2074f9467e0518f0f26ca2ba74914bee82553f935a0ccf64a0119e8b

                              SHA512

                              cbf6f6aa0ea69b47f51592296da2b7be1180e7b483c61b4d17ba9ee1a2d3345cbe0987b96f4e25de1438b553db358f330aad8a26e8522601f055c3d5a8313cdd

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\f_000007

                              Filesize

                              16KB

                              MD5

                              12e3dac858061d088023b2bd48e2fa96

                              SHA1

                              e08ce1a144eceae0c3c2ea7a9d6fbc5658f24ce5

                              SHA256

                              90cdaf487716184e4034000935c605d1633926d348116d198f355a98b8c6cd21

                              SHA512

                              c5030c55a855e7a9e20e22f4c70bf1e0f3c558a9b7d501cfab6992ac2656ae5e41b050ccac541efa55f9603e0d349b247eb4912ee169d44044271789c719cd01

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

                              Filesize

                              6KB

                              MD5

                              0dccd8cf0b72585b089b037b22082c98

                              SHA1

                              f92e4b4473ae23aa814e02858a11efcf8845f051

                              SHA256

                              a0c94e54d7b07b7d62d1f91f5df5523df0f16bd6dbed8bc17b739158a5403ba5

                              SHA512

                              d65db06e56a1f5213f366e0e2a5940c0eb9fb91b6431520c05989ca28efb64b01ebeced122f8c277752409772b6ba63ce8fe639dc9d8e648bc24a96de9cac918

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

                              Filesize

                              5KB

                              MD5

                              78637806986863b827641860cc369ddc

                              SHA1

                              e368e52091ca082edeca8ef3beb1b9beb7222a8b

                              SHA256

                              3957dde188eab4a9525d46612b24be5cb73d2bec35dd649df00093c3974972ee

                              SHA512

                              7ff0e04e241d91bf5bb74850a61664b3286e8092ad0bc8ec75e03a0c1f5aac43f37d307fb2aaa4f8ceff5dcc2915efc3259cd266ca17ecc3312fb72d63abc28f

                            • 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

                              ef42f31500beacc5759349b47ab4cf64

                              SHA1

                              d883e1795eb2109726ebde90d25ad82903a64d3a

                              SHA256

                              d7ed41f75a34c6a651de7b23d89588473b37ced7de3f9b1b0a4fb6d5a070d5bd

                              SHA512

                              125064cdce1738ea228132d86cd82aa68c59ce261ae1f7511bce45a1fa8e0cc92a21f83e383750016513ee4c7fd63b8b3ec5b1b6dc267ac9647e6464075e896a