Analysis

  • max time kernel
    76s
  • max time network
    77s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-04-2023 15:17

General

  • Target

    https://bs.serving-sys.com/Serving/adServer.bs?cn=brd&PluID=0&Pos=20&EyeblasterID=1086486580&clk=1&ctick=550141855&rtu=https%3A%2F%2Fad2sign.web.app%2FjlgWO3Fe5bFe5lx0qpaalpdy9s3RWO3BM2&c=5501

Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" https://bs.serving-sys.com/Serving/adServer.bs?cn=brd&PluID=0&Pos=20&EyeblasterID=1086486580&clk=1&ctick=550141855&rtu=https%3A%2F%2Fad2sign.web.app%2FjlgWO3Fe5bFe5lx0qpaalpdy9s3RWO3BM2&c=5501
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2624
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffff7219758,0x7ffff7219768,0x7ffff7219778
      2⤵
        PID:4056
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1780 --field-trial-handle=1816,i,15616426702629127155,12389315317928977422,131072 /prefetch:2
        2⤵
          PID:4568
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2168 --field-trial-handle=1816,i,15616426702629127155,12389315317928977422,131072 /prefetch:8
          2⤵
            PID:396
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2164 --field-trial-handle=1816,i,15616426702629127155,12389315317928977422,131072 /prefetch:8
            2⤵
              PID:232
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3196 --field-trial-handle=1816,i,15616426702629127155,12389315317928977422,131072 /prefetch:1
              2⤵
                PID:1844
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3224 --field-trial-handle=1816,i,15616426702629127155,12389315317928977422,131072 /prefetch:1
                2⤵
                  PID:852
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4640 --field-trial-handle=1816,i,15616426702629127155,12389315317928977422,131072 /prefetch:1
                  2⤵
                    PID:4412
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=4628 --field-trial-handle=1816,i,15616426702629127155,12389315317928977422,131072 /prefetch:1
                    2⤵
                      PID:4812
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=4884 --field-trial-handle=1816,i,15616426702629127155,12389315317928977422,131072 /prefetch:1
                      2⤵
                        PID:3792
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=5168 --field-trial-handle=1816,i,15616426702629127155,12389315317928977422,131072 /prefetch:1
                        2⤵
                          PID:4596
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5384 --field-trial-handle=1816,i,15616426702629127155,12389315317928977422,131072 /prefetch:8
                          2⤵
                            PID:4828
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5476 --field-trial-handle=1816,i,15616426702629127155,12389315317928977422,131072 /prefetch:8
                            2⤵
                              PID:2500
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3292 --field-trial-handle=1816,i,15616426702629127155,12389315317928977422,131072 /prefetch:8
                              2⤵
                                PID:4704
                            • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                              "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                              1⤵
                                PID:2576

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

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                              Downloads

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

                                Filesize

                                696B

                                MD5

                                a79487fa36def4c9bf31113dc134c8b2

                                SHA1

                                87063db0dfee4408550c390b25eb74336ba1bc1a

                                SHA256

                                cba95139dce3392bcc92161b7e2fca40f9344a976be3faea2f5c15322626ec74

                                SHA512

                                01091e90d6809c2be6cc22b68ad6a279803f825c6ea8f3db0ff23e83e5539515c6dfa95e04d1cf1812fb635ecafdb99f3342236c411725357b396ef7b697aa0d

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                                Filesize

                                1KB

                                MD5

                                1921f4943d1bea53a5a68ffafa9023a2

                                SHA1

                                cd1df8fa32d309e46a03073704274dda552f14bd

                                SHA256

                                e66a7841bb2125d739cbb2e696a998daab489348a42a88d45927da378404830e

                                SHA512

                                2ea961ecb6133d191ff5758801d00ee670f065a2c30ba797969ac10e718fbd5bfd65d0814aaff78b3f511db05e119bd0241dde403ba5d0d6e4605c3ae37ee046

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                                Filesize

                                1KB

                                MD5

                                c60154cc85dcc51a54303e0dff48a0f5

                                SHA1

                                106d4e9c032740bbd4e08dca5f1f12ffa82d0272

                                SHA256

                                97fb92c31df72613111e4450f3e8d1593decd70faab1ce7aa3b9835c610cdabc

                                SHA512

                                c631f2c1b2228c181dca591dbd0bd70d4299229d18f1f90205d21af59623d90ee68181c0e10d21610fc15830e49001ffbae64293bc2c1d67c23491634bd3f2a5

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                                Filesize

                                1KB

                                MD5

                                21994edc36b3428c71413814c9e294b0

                                SHA1

                                788c44859d8e2a9d915547f054366f9fd5d0df38

                                SHA256

                                fce2fc389ca1c6d6a23e4cf6e0d82dd2d1bc3879aeb570ead6743e233a6aa55d

                                SHA512

                                b331ee213e3ad895fc326f558c271a6279da9d4de0d06a6c9a372db70831055dbe6e0da2420149bc710e06e24ff570a700a0d09d9fa0a84783aa5c9d1a3e94c6

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

                                Filesize

                                1KB

                                MD5

                                dafa1620eafc4da43391204906d80449

                                SHA1

                                28ea6181a9f48a43fb746f4ef99dccece844dd53

                                SHA256

                                9d16ea7f4555f39b274a498f6b8852a32bf6120d9689e1ee31aabe8820c9cdb3

                                SHA512

                                00eb15a0bf56d08afdfcfdf858ac1056435058e07033002f3c4c59a5aaa740ea18c9ff7f6c5ad70ce4058d1f7fb658bfe5f57ba49624200e0e5cffb490c3eb01

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

                                Filesize

                                1KB

                                MD5

                                c22a9b12109f37f9cb1871e55cf922f6

                                SHA1

                                80ad91a0e98707d6f6ab1e054a9203f18a654c3e

                                SHA256

                                c19e7a242781d88e4ac1574c945d83d71ba2a8d6ad27b91c17fc70c084cafdc5

                                SHA512

                                5dfbd481e3c60dc59b90dd3cd8e18fcc55601585628c56458d45efc8426ed7126560167da4770ef6364437a84e81892f4a77a8129dadc05043a6a007cb256484

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                Filesize

                                7KB

                                MD5

                                de217fd1686bce5458f3e226455b448c

                                SHA1

                                8019476abaa054c4a47212939869726b3c106e01

                                SHA256

                                a19d9223fc224bfc55d3d0c07fa8bea530d185906d23abb7e63d8bbf13aebdd2

                                SHA512

                                49d7d5674df7b58779ca63eeccee480a86eb9d7b0b1fb1d5f2bcf0a30d4235f15823ed1d8bc117eaf99888e7e5fc550ad04c0939c0b55ad5afb4252da9235b93

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                Filesize

                                6KB

                                MD5

                                9bcd66edfe43060e68d84356b43678aa

                                SHA1

                                123041bb4961799759fe43e41e5659e541b57f16

                                SHA256

                                ce20cb44df84b22a3ccdcda2c2ead80a7f68cde8040b7b09ee59505465bd1e66

                                SHA512

                                99e6934496acc0e42358d8732436617eea30381aec444699f7ae4e8aa327cb24ba8eb9afc98275e18b3918f10f9c448aba69f215360198baa9679a3d4adc4e3b

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences

                                Filesize

                                15KB

                                MD5

                                f8ae7131049a49c99fc12d8837470a5c

                                SHA1

                                a99482eab8ee9a6ece9eb1cfc9953742d7b8a482

                                SHA256

                                7a48e35c0622b2d1160b6e3e663da91979025180c2699f0e2d31451887d426a7

                                SHA512

                                a5254a34b6edac956ec4aafdff00a5f99c2002b0e4dca96c9cf06fe355a6578b5332b62d4b5adbcecff76591eb5d4eec1a065124833679a64fdee83142b405f8

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences

                                Filesize

                                15KB

                                MD5

                                07961430bf23f3762b38ac187e2bc207

                                SHA1

                                896eb74425e30559963946b97912c3e80bea4a28

                                SHA256

                                b7dc8e690ca18d5a49ecd72265d545c2c2968f24bcddbdef3c151564582ec23a

                                SHA512

                                90c466e92d8afa462e4eeb7408b5f918f0eabcc568341c2f388651ea5564c1f2589d0d178a6b1b0f4a270092be870ab18fabf9daceee766c3ddbccc3b870dd19

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                                Filesize

                                199KB

                                MD5

                                0a849479ba5b14475b34d2c47bfe9375

                                SHA1

                                b888251c9bb5fab7d699a2e893c6015c611cf585

                                SHA256

                                7b19bc9387e09ed0d664559bcc8a9e32621170b6dc03305b6d8b3c5103cdae06

                                SHA512

                                123d975d2c5c91b6c19f7b72da6f78188a7ef3686ee17d53e9334d81aca9115d768ed7e7e6e57576de6281307e12d5b6fe448944e95eba528f36e9b3f8fb1138

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

                                Filesize

                                2B

                                MD5

                                99914b932bd37a50b983c5e7c90ae93b

                                SHA1

                                bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                SHA256

                                44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                SHA512

                                27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd