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Analysis

  • max time kernel
    960s
  • max time network
    967s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/09/2024, 18:38

General

  • Target

    https://myaccess.microsoft.com/bcgov.onmicrosoft.com#/access-reviews/9414a616-c842-4de7-961f-730e8631edaf

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 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" --single-argument https://myaccess.microsoft.com/bcgov.onmicrosoft.com#/access-reviews/9414a616-c842-4de7-961f-730e8631edaf
    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:4020
    • 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,0x100,0x104,0xd8,0x108,0x7fff2f5f46f8,0x7fff2f5f4708,0x7fff2f5f4718
      2⤵
        PID:4052
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2104,2430811129469035402,15180978747008963875,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2144 /prefetch:2
        2⤵
          PID:2760
        • 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=2104,2430811129469035402,15180978747008963875,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2192 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2652
        • 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=2104,2430811129469035402,15180978747008963875,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2588 /prefetch:8
          2⤵
            PID:5076
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,2430811129469035402,15180978747008963875,131072 --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=3368 /prefetch:1
            2⤵
              PID:764
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,2430811129469035402,15180978747008963875,131072 --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=3376 /prefetch:1
              2⤵
                PID:1260
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,2430811129469035402,15180978747008963875,131072 --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=5032 /prefetch:1
                2⤵
                  PID:1928
                • 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=2104,2430811129469035402,15180978747008963875,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5488 /prefetch:8
                  2⤵
                    PID:1956
                  • 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=2104,2430811129469035402,15180978747008963875,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5488 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:4836
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,2430811129469035402,15180978747008963875,131072 --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=5228 /prefetch:1
                    2⤵
                      PID:4436
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,2430811129469035402,15180978747008963875,131072 --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=1464 /prefetch:1
                      2⤵
                        PID:2892
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,2430811129469035402,15180978747008963875,131072 --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=5024 /prefetch:1
                        2⤵
                          PID:2636
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,2430811129469035402,15180978747008963875,131072 --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=5128 /prefetch:1
                          2⤵
                            PID:2160
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2104,2430811129469035402,15180978747008963875,131072 --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=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2712 /prefetch:2
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:824
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:3596
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:2656

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\9418247e-7bfe-48a2-89c1-00dd7efc8743.tmp

                              Filesize

                              10KB

                              MD5

                              ac3faa8ebc448c91bed8af5eda3a2942

                              SHA1

                              03f1de4c33f138c5d5ff84ba548cfc5c9466e005

                              SHA256

                              cf69d113159f7ab3ce5838d5fc50be06eaa6c235db874ed8330805786fb562f3

                              SHA512

                              c9012c3b82833055dc8faaee429f45c745a5d2a3282b5572320fdd0277b92ff382b8acaac074a772c87562ed226355aeaa6e6580510cff3d3f67cd29f7055635

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

                              Filesize

                              152B

                              MD5

                              eeaa8087eba2f63f31e599f6a7b46ef4

                              SHA1

                              f639519deee0766a39cfe258d2ac48e3a9d5ac03

                              SHA256

                              50fe80c9435f601c30517d10f6a8a0ca6ff8ca2add7584df377371b5a5dbe2d9

                              SHA512

                              eaabfad92c84f422267615c55a863af12823c5e791bdcb30cabe17f72025e07df7383cf6cf0f08e28aa18a31c2aac5985cf5281a403e22fbcc1fb5e61c49fc3c

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

                              Filesize

                              152B

                              MD5

                              b9569e123772ae290f9bac07e0d31748

                              SHA1

                              5806ed9b301d4178a959b26d7b7ccf2c0abc6741

                              SHA256

                              20ab88e23fb88186b82047cd0d6dc3cfa23422e4fd2b8f3c8437546a2a842c2b

                              SHA512

                              cfad8ce716ac815b37e8cc0e30141bfb3ca7f0d4ef101289bddcf6ed3c579bc34d369f2ec2f2dab98707843015633988eb97f1e911728031dd897750b8587795

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

                              Filesize

                              168B

                              MD5

                              651676026f3333a79c336786d64f07f9

                              SHA1

                              4cdbc2389b9bf6cf18adc2752bf7582331751ab4

                              SHA256

                              b4cfbe4c44b2fd4683e9273ed47faaeadeae18610ef4bed364c65ce2840be529

                              SHA512

                              eea7a44dad862a118e58ddb358808a1d56744846d858a9e9c5923fde332f645b5f49118803b9596ff1a240838ad00200f3e60b3378a5c36198014cef0771ddeb

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

                              Filesize

                              452B

                              MD5

                              344113e25f6dd67f4cfba70dc4d308ff

                              SHA1

                              14ed15f5d627b1d20bf1cde4ed322ecc26eddd4c

                              SHA256

                              56e761c3a32dc0059836b903a4d8c3b8156662b98d2b9810decb4eb6a3e9ac95

                              SHA512

                              cac1608006610cc7c8606bd5b07227a1d8b3fb7371be4b6f54f90229acc68d3b83be2ef4bd33dcffbd2b9a5bab5053982a911ad1a4369a250120e9f461cf1c4a

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

                              Filesize

                              6KB

                              MD5

                              5d21bc4a0166443bc50add312cb5e138

                              SHA1

                              53aad372309867d91de2925ef6745458281a099d

                              SHA256

                              fcad0e463b1cf708807bf2773c080da16497efa5ddc50a968c3b9a14c5a5e150

                              SHA512

                              51b6062219d4ace3eb9733cb9901d13eb9443235cbbd64137af16f73fd38a84c53c16701fa8efb0a00d8c042c7fc49c7af5973388d797295345d72a442fbbfb6

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

                              Filesize

                              6KB

                              MD5

                              3fc6f52e3ef40c68d60e35a488bdb221

                              SHA1

                              0bc6e713d31ba8ccaf038631a22e3ec714a7214a

                              SHA256

                              b47cd82a5c8fbe48335ebbb08d39dbdf7c755c585fec9ae07e3e6203bb0d6564

                              SHA512

                              08397227e83e67f29c6891eb83f4c2735e09a5b81cb600856b5eeb1f3eb8cf39fa007491a54bfe749de312247910e13a5c8c8b012d19143d969698007225dd91

                            • 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