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Analysis

  • max time kernel
    137s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/09/2024, 15:43

General

  • Target

    CefSharp.Core.Runtime.dll

  • Size

    1.3MB

  • MD5

    41571881b1113b2813d80a8fd063fd18

  • SHA1

    8e01d0f9daf636979b09cf3f3bf7235de1be3c81

  • SHA256

    e3a9a58317217393ba110b1fd1a7f39c0fb819ce96d425e5d1220e200420938c

  • SHA512

    b74c0f0cbe46e9902bd19041fb2f7ded7b1849c790837f29eab250392e612d1fc42767847cb39a2d94fcbf8d528e0ccf25a445d42b26379aaa8de823a1cd0b9b

  • SSDEEP

    24576:m74xCV8e00l0NLz4Cm9naV9uhO5GZLOfMRh44OkSgqc4CQKZi5P9xh0gsWLgiHea:nCVXtZLOOh44OkSgqc4CQKZi5P9xh0gH

Score
3/10

Malware Config

Signatures

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 1 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\CefSharp.Core.Runtime.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4816
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\CefSharp.Core.Runtime.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2224
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --profile-directory=Default
    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:464
    • 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=0x11c,0x120,0x124,0xf8,0x128,0x7ffe747146f8,0x7ffe74714708,0x7ffe74714718
      2⤵
        PID:2576
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2044,8725775050017281827,16503449283530331816,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2056 /prefetch:2
        2⤵
          PID:4948
        • 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=2044,8725775050017281827,16503449283530331816,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2348 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3488
        • 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=2044,8725775050017281827,16503449283530331816,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2716 /prefetch:8
          2⤵
            PID:456
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,8725775050017281827,16503449283530331816,131072 --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=3348 /prefetch:1
            2⤵
              PID:1052
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,8725775050017281827,16503449283530331816,131072 --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=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3356 /prefetch:1
              2⤵
                PID:1192
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,8725775050017281827,16503449283530331816,131072 --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=4164 /prefetch:1
                2⤵
                  PID:1504
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,8725775050017281827,16503449283530331816,131072 --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=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4228 /prefetch:1
                  2⤵
                    PID:3428
                  • 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=2044,8725775050017281827,16503449283530331816,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3580 /prefetch:8
                    2⤵
                      PID:4900
                    • 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=2044,8725775050017281827,16503449283530331816,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3580 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:3244
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,8725775050017281827,16503449283530331816,131072 --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=3928 /prefetch:1
                      2⤵
                        PID:3316
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,8725775050017281827,16503449283530331816,131072 --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=5300 /prefetch:1
                        2⤵
                          PID:1092
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,8725775050017281827,16503449283530331816,131072 --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=5284 /prefetch:1
                          2⤵
                            PID:2868
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,8725775050017281827,16503449283530331816,131072 --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=3740 /prefetch:1
                            2⤵
                              PID:3568
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,8725775050017281827,16503449283530331816,131072 --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=5688 /prefetch:1
                              2⤵
                                PID:860
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=2044,8725775050017281827,16503449283530331816,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=3576 /prefetch:8
                                2⤵
                                  PID:4116
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --field-trial-handle=2044,8725775050017281827,16503449283530331816,131072 --lang=en-US --service-sandbox-type=video_capture --mojo-platform-channel-handle=3928 /prefetch:8
                                  2⤵
                                  • Modifies registry class
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:2696
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:5048
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:3332

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\7ad51b12-08f9-4f55-9965-48fd21120f95.tmp

                                    Filesize

                                    10KB

                                    MD5

                                    db483558f4353d52ccd0ac31cbcb6763

                                    SHA1

                                    9d811fd57f773b499e5260b7410ab9fc3de17887

                                    SHA256

                                    cc7956cb4cd00f79dc7dbabe9d9f711bca245cedd85cce3f7e0a7899a3e0b32c

                                    SHA512

                                    9216cdd90b0e9cfecbbcfd61cce8e9cd741536564ea9f06452adeacd4a3e6cc5c3c1e92b28e7ae3a6d1318004d39ff6538cfacea65cb062bc668ef4e9620d04c

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

                                    Filesize

                                    152B

                                    MD5

                                    f9664c896e19205022c094d725f820b6

                                    SHA1

                                    f8f1baf648df755ba64b412d512446baf88c0184

                                    SHA256

                                    7121d84202a850791c2320385eb59eda4d697310dc51b1fcd4d51264aba2434e

                                    SHA512

                                    3fa5d2c68a9e70e4a25eaac2095171d87c741eec2624c314c6a56f4fa390d6319633bf4c48b1a4af7e9a0451f346beced9693da88cfc7bcba8dfe209cbd1b3ae

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

                                    Filesize

                                    152B

                                    MD5

                                    847d47008dbea51cb1732d54861ba9c9

                                    SHA1

                                    f2099242027dccb88d6f05760b57f7c89d926c0d

                                    SHA256

                                    10292fa05d896a2952c1d602a72d761d34bc776b44d6a7df87e49b5b613a8ac1

                                    SHA512

                                    bd1526aa1cc1c016d95dfcc53a78b45b09dde4ce67357fc275ab835dbe1bb5b053ca386239f50cde95ad243a9c1bbb12f7505818577589beecc6084f7b94e83f

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

                                    Filesize

                                    3KB

                                    MD5

                                    d9e7c5026059fe96a1421c6899b7b35f

                                    SHA1

                                    8a601906e8bdcd70ba851f11b2850843593d8523

                                    SHA256

                                    a6f437c1d60d1f0e9e17921f7a5624a9c65862300d1db20f5efee082c39c7883

                                    SHA512

                                    b9d34cb58bb9d96f5f2f787a9d1a28d46ee3b90e4c8d0d5098d65836868e775816668a6d0f3d69ac7651e86cb9b772b9f129104ccfbfce324d437d8b560786b0

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

                                    Filesize

                                    1KB

                                    MD5

                                    8b4ae39fa0ad5f14bd12b6425d8c5ee8

                                    SHA1

                                    9d3318d53995e93f1d74a42c81fa4f5c1016925d

                                    SHA256

                                    aa55253e93b32b1d0d91beebc65c7e7dc778e72a93c9443f2ef1405ae6d89abe

                                    SHA512

                                    4e24197e845f75da5571c46b0d2ddd62010c9cede3f744d5941b0086557c59c829c3750d71c0e5bd092f4f0f7cd9cfc256bb4941e412e4aad2fc7ae1f27dd8b4

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

                                    Filesize

                                    5KB

                                    MD5

                                    d9d4d4722b42f669ea735cb007da23d8

                                    SHA1

                                    0749e651e8c2421cb54986334bab43c44580951f

                                    SHA256

                                    7761bee624c15548910e63a0084d4d6cd43d48c8be5d8b90f0aaaa24b2c43040

                                    SHA512

                                    56a9ca23ed4912cd41c3e012f46f933a704e386466ee379dc2e8eca2073dc3634a66bf2e5d9a411b39ed9d8bd5f27ec273c0696f3cba1f21ba3ce4df63867b8c

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

                                    Filesize

                                    6KB

                                    MD5

                                    be0b5352e887430d3858cd05db6e5822

                                    SHA1

                                    c9ef3a4bbe97e345cc31fe0aca9a90ab1b8b4fd6

                                    SHA256

                                    f7dcbcd3fa98d840d1ca2421a92d285cc90e6516a1ccfe2405e1a31272682316

                                    SHA512

                                    ff9f644d4441ed45ad4ebbfc743a84f35b0c6762ea9b18a238761f4836feb0cd06f204133afaafe1bfa65d92185cb2dcf19d00d7920195585296f84011e540d8

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

                                    Filesize

                                    6KB

                                    MD5

                                    ff2c5d60e5d6be74843a55abba1ba2ce

                                    SHA1

                                    cd4cd700c2ec827adace3e6a47b4cceb065ae120

                                    SHA256

                                    ecf61b1f2d59ca16e71a2c71659a747e3a26056fc1a697c234cadaed3b802fcd

                                    SHA512

                                    91129b2dd871af9b8a4e24243a9ac46b9e98abd50a58dc4c7520df3a6cf2df0d9b5fd29fb35465d41ffd2188e8a330fa40e228d9a6a8f653da07e502d04e97e7

                                  • 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

                                    8f10c18bf5dedf36eeee32e00dce08cf

                                    SHA1

                                    627f63de065f519e28db71b904545984a10621cf

                                    SHA256

                                    e9720458e906d7398ed8a45de6049173b44e8e143f673b662deb00b10b5f23d4

                                    SHA512

                                    58b113457f5409a81ce7e6449fbfddaa273311be9778ed5ffee34401c56bfd66acd53a12e5a9e45fe5befd20c50e9e1c964c83af712f67f00f19cd91751e1a4b