Resubmissions

30/07/2024, 19:34

240730-x93gfazake5

30/07/2024, 19:32

240730-x895wsvdkk3

Analysis

  • max time kernel
    66s
  • max time network
    68s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240730-en
  • resource tags

    arch:x64arch:x86image:win11-20240730-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    30/07/2024, 19:34

General

  • Target
    https://forms.office.com/Pages/ResponsePage.aspx?id=JeM4sK5hNUOhhqYLygX5rPSzLLxESotMsIoTf9m9iDhUNVU3NUdXQTBDTTAxRzFRTVZZRkxIT0RNNC4u
  • Sample240730-x93gfazake

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 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 11 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 12 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://forms.office.com/Pages/ResponsePage.aspx?id=JeM4sK5hNUOhhqYLygX5rPSzLLxESotMsIoTf9m9iDhUNVU3NUdXQTBDTTAxRzFRTVZZRkxIT0RNNC4u
    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:4404
    • 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,0x7ffca2773cb8,0x7ffca2773cc8,0x7ffca2773cd8
      2⤵
        PID:1552
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1912,3379451122579662829,12609591537157336451,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1924 /prefetch:2
        2⤵
          PID:72
        • 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=1912,3379451122579662829,12609591537157336451,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2252 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:800
        • 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=1912,3379451122579662829,12609591537157336451,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2552 /prefetch:8
          2⤵
            PID:2160
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,3379451122579662829,12609591537157336451,131072 --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=3260 /prefetch:1
            2⤵
              PID:2208
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,3379451122579662829,12609591537157336451,131072 --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=3264 /prefetch:1
              2⤵
                PID:2676
              • 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=1912,3379451122579662829,12609591537157336451,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4756 /prefetch:8
                2⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:4372
              • 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=1912,3379451122579662829,12609591537157336451,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5432 /prefetch:8
                2⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:4088
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,3379451122579662829,12609591537157336451,131072 --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=4768 /prefetch:1
                2⤵
                  PID:4156
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,3379451122579662829,12609591537157336451,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5676 /prefetch:1
                  2⤵
                    PID:836
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,3379451122579662829,12609591537157336451,131072 --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=5824 /prefetch:1
                    2⤵
                      PID:3320
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,3379451122579662829,12609591537157336451,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5252 /prefetch:1
                      2⤵
                        PID:3948
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,3379451122579662829,12609591537157336451,131072 --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=5144 /prefetch:1
                        2⤵
                          PID:1760
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,3379451122579662829,12609591537157336451,131072 --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=5060 /prefetch:1
                          2⤵
                            PID:796
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,3379451122579662829,12609591537157336451,131072 --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=5052 /prefetch:1
                            2⤵
                              PID:4908
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,3379451122579662829,12609591537157336451,131072 --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=6060 /prefetch:1
                              2⤵
                                PID:3356
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,3379451122579662829,12609591537157336451,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5688 /prefetch:1
                                2⤵
                                  PID:2576
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:3552
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:3920

                                  Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        settings.dat

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                        • Size 152B
                                        • SHA256 a3dd370b2b481e239fa13c330f274b7d279573b77ffb813ba68a4961b36d6cb6
                                        • MD5 SHA1 SHA512

                                        settings.dat

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                        • Size 152B
                                        • SHA256 4aaa61366719d6428b64217960e4c31bb925799dd75288307cd306a4ec833a0e
                                        • MD5 SHA1 SHA512

                                        the-real-index

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                        • Size 504B
                                        • SHA256 19c776aceccf15ea5fafbd8306d14ba47a696d7e64b86c1aa41b69ca7447966f
                                        • MD5 SHA1 SHA512

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 5KB
                                        • SHA256 6e2aea17346468ad1b053ca0a5df1b44a4c3179e1a80fbff89518ee01274ede4
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 6KB
                                        • SHA256 0c9e0492d62f5b3ce9caea4521949412dc0172037f4510b0f979e2ac9cd01ce2
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                        • Size 7KB
                                        • SHA256 d1899e3b46d425f997583331d129cd6011ace126f613490934a974391adecb73
                                        • MD5 SHA1 SHA512 SSDEEP

                                        the-real-index

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\CacheStorage\c67a00d9d1fe43239f2bf49bebc287eb867542bc\a59e268a-0d47-485f-8d5c-aa287845db4e\index-dir\the-real-index
                                        • Size 72B
                                        • SHA256 a6df923ab0b93e9a34d111102520607b9b9db524e1e9aaaf24a746828d4ec9d7
                                        • MD5 SHA1 SHA512

                                        the-real-index~RFe580c40.TMP

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\CacheStorage\c67a00d9d1fe43239f2bf49bebc287eb867542bc\a59e268a-0d47-485f-8d5c-aa287845db4e\index-dir\the-real-index~RFe580c40.TMP
                                        • Size 48B
                                        • SHA256 02da00602c21b37ed0a1b8532cfd5c9fb7beb1997d8f97300d7e80b94726edbd
                                        • MD5 SHA1 SHA512

                                        index.txt

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\CacheStorage\c67a00d9d1fe43239f2bf49bebc287eb867542bc\index.txt
                                        • Size 92B
                                        • SHA256 002a81cf1eb31f74037f24936ece77bf007478d0a180dab899c6523eb502ceb4
                                        • MD5 SHA1 SHA512

                                        index.txt

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\CacheStorage\c67a00d9d1fe43239f2bf49bebc287eb867542bc\index.txt
                                        • Size 86B
                                        • SHA256 b145a5e2524e7b9b92357dfe83e8197cd536f9f3c359458cbdf091f442ee8da5
                                        • MD5 SHA1 SHA512

                                        the-real-index

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index
                                        • Size 72B
                                        • SHA256 321df6ce44941ee9ca30c50a26a3fe1afe6186d16f09488d881ee678fd5cebb5
                                        • MD5 SHA1 SHA512

                                        the-real-index~RFe580c01.TMP

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe580c01.TMP
                                        • Size 48B
                                        • SHA256 149542bd5fdc59274c73c00d6764b662cdfd00300fcebbf1b77b69625fa0017b
                                        • MD5 SHA1 SHA512

                                        TransportSecurity

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity
                                        • Size 1KB
                                        • SHA256 9ffd789ec5860bf7baf6d65aa44ee1a402a6e78efe8dcb09e1507e439e741c19
                                        • MD5 SHA1 SHA512

                                        TransportSecurity~RFe581102.TMP

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity~RFe581102.TMP
                                        • Size 532B
                                        • SHA256 fc08ca619e6dd79e330005fd71dc0026006189ae2e4e55f8c3ef797aafd273d1
                                        • MD5 SHA1 SHA512

                                        CURRENT

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                        • Size 16B
                                        • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                                        • MD5 SHA1 SHA512

                                        CURRENT

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                        • Size 16B
                                        • SHA256 1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167
                                        • MD5 SHA1 SHA512

                                        Local State

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                        • Size 11KB
                                        • SHA256 969e8882d0d1805f49725eed75bd0725b5456379b652aad65e5b84aaf83473d7
                                        • MD5 SHA1 SHA512 SSDEEP