Analysis

  • max time kernel
    19s
  • max time network
    21s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-08-2024 20:20

General

  • Target

    https://aka.ms/AAb9ysg

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 8 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://aka.ms/AAb9ysg
    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:4920
    • 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,0x100,0x104,0xb4,0x108,0x7ff8078f46f8,0x7ff8078f4708,0x7ff8078f4718
      2⤵
        PID:4424
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2104,5607756556313069399,10183454094264819906,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2116 /prefetch:2
        2⤵
          PID:4140
        • 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=2104,5607756556313069399,10183454094264819906,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2492 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4580
        • 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=2104,5607756556313069399,10183454094264819906,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2900 /prefetch:8
          2⤵
            PID:2028
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,5607756556313069399,10183454094264819906,131072 --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=3364 /prefetch:1
            2⤵
              PID:3208
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,5607756556313069399,10183454094264819906,131072 --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=3104 /prefetch:1
              2⤵
                PID:3616
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,5607756556313069399,10183454094264819906,131072 --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=5028 /prefetch:1
                2⤵
                  PID:4880
                • 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=2104,5607756556313069399,10183454094264819906,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3584 /prefetch:8
                  2⤵
                    PID:2504
                  • 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=2104,5607756556313069399,10183454094264819906,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3584 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1880
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,5607756556313069399,10183454094264819906,131072 --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=5276 /prefetch:1
                    2⤵
                      PID:3232
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,5607756556313069399,10183454094264819906,131072 --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=5284 /prefetch:1
                      2⤵
                        PID:1452
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,5607756556313069399,10183454094264819906,131072 --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=5184 /prefetch:1
                        2⤵
                          PID:3840
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,5607756556313069399,10183454094264819906,131072 --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=5124 /prefetch:1
                          2⤵
                            PID:4788
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,5607756556313069399,10183454094264819906,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5488 /prefetch:1
                            2⤵
                              PID:1384
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:3292
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:4308

                              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

                                e4f80e7950cbd3bb11257d2000cb885e

                                SHA1

                                10ac643904d539042d8f7aa4a312b13ec2106035

                                SHA256

                                1184ee8d32d0edecddd93403fb888fad6b3e2a710d37335c3989cc529bc08124

                                SHA512

                                2b92c9807fdcd937e514d4e7e1cc7c2d3e3aa162099b7289ceac2feea72d1a4afbadf1c09b3075d470efadf9a9edd63e07ea7e7a98d22243e45b3d53473fa4f0

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

                                Filesize

                                152B

                                MD5

                                2dc1a9f2f3f8c3cfe51bb29b078166c5

                                SHA1

                                eaf3c3dad3c8dc6f18dc3e055b415da78b704402

                                SHA256

                                dcb76fa365c2d9ee213b224a91cdd806d30b1e8652d72a22f2371124fa4479fa

                                SHA512

                                682061d9cc86a6e5d99d022da776fb554350fc95efbf29cd84c1db4e2b7161b76cd1de48335bcc3a25633079fb0bd412e4f4795ed6291c65e9bc28d95330bb25

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\f_000001

                                Filesize

                                22KB

                                MD5

                                c654a623ad90bb3dcd769dbbac34d863

                                SHA1

                                8719de38f17d8e4d73e2a5e4e867d63dd3965baa

                                SHA256

                                deec787cca1b9436e080478742a0299e0db1a9712543a72d2cdc8373fc45a432

                                SHA512

                                b7440cec44b71bcdbefcd878a860ee3cc0163dc0905dc688ebcbcd7c6f5cfdfc187ea0c2b6247a362ad462450c34020933df7825cf6ceaeb3138d65eb944abad

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\f_000015

                                Filesize

                                209KB

                                MD5

                                3e552d017d45f8fd93b94cfc86f842f2

                                SHA1

                                dbeebe83854328e2575ff67259e3fb6704b17a47

                                SHA256

                                27d9c4613df7a3c04da0b79c13217aa69992b441acb7e44bf2a7578ca87d97d6

                                SHA512

                                e616436f2f15615429c7c5c37de3990c3e86c5e1da7d75a0f524fc458b75d44a5be1a3648a628d63e1cf8aa062e08b538f2f2bc9c6a0b42157beb24f82c571d9

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

                                Filesize

                                6KB

                                MD5

                                8a2fedf677821c7bd8609a5fd3df24e0

                                SHA1

                                f38fb0c9ab8a7e1c19cc04713a0d0f3a22b267ef

                                SHA256

                                f428466e77f6896bfebf5b2f819fe2ffee385e885a470fe7a2f1f175944f7f50

                                SHA512

                                4684a5063d7727f1173f8532847b2305956e6c51fda3c552c88a63ff2ce336da80ca9248f651eae37b64cd26508b3792b729d8af1102e25e0a91166ab18a8c77

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

                                Filesize

                                6KB

                                MD5

                                7c8881a0c28b8ee009a3c33bb689c5d3

                                SHA1

                                c4f8b39ee2087da6a0e022d423472b88d4b48fb0

                                SHA256

                                f688c21c7fba1e2db0fa7eab55c00760fa25086c82a4be786262880e9f30cc4b

                                SHA512

                                50bc99dee2e461a5b0be49896ecd427f70a1554facba3b13d373ca28d1e78fbb14a0d0745dce87e95e17fccb4f5969c4093de6a3ca94710a16f0ee649d7c422b

                              • 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

                                11KB

                                MD5

                                5418ec49c0c363d78bbdddc4e5c1c3b3

                                SHA1

                                a19fd4cf6c781291628189391677ed21612c09b5

                                SHA256

                                c5f3a7e6f0253cb508f6dfb98868e4366279e2ada21431a9475ce3ef27f2a5c6

                                SHA512

                                98bbf86f1560642c1e1b6c5a3bba6df74764cae0f8a7a2ed44cc69053e10e9aa9d1612156261441b77fa54dd1750bdf675d9b48635af0e357665f017bd0d616e