Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/06/2023, 09:20

General

  • Target

    http://crt.rootca1.amazontrust.com/rootca1.cer

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 4 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 1 IoCs
  • Modifies system certificate store 2 TTPs 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 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    "C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" http://crt.rootca1.amazontrust.com/rootca1.cer
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:5092
    • 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,0x100,0x104,0x40,0x108,0x7ff893729758,0x7ff893729768,0x7ff893729778
      2⤵
        PID:3104
      • 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=1820 --field-trial-handle=1836,i,2525680638455067937,7437492450921996497,131072 /prefetch:2
        2⤵
          PID:1472
        • 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=2172 --field-trial-handle=1836,i,2525680638455067937,7437492450921996497,131072 /prefetch:8
          2⤵
            PID:3092
          • 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=1320 --field-trial-handle=1836,i,2525680638455067937,7437492450921996497,131072 /prefetch:8
            2⤵
              PID:5048
            • 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=3104 --field-trial-handle=1836,i,2525680638455067937,7437492450921996497,131072 /prefetch:1
              2⤵
                PID:4976
              • 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=3112 --field-trial-handle=1836,i,2525680638455067937,7437492450921996497,131072 /prefetch:1
                2⤵
                  PID:2796
                • 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=5056 --field-trial-handle=1836,i,2525680638455067937,7437492450921996497,131072 /prefetch:8
                  2⤵
                    PID:1128
                  • 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=5224 --field-trial-handle=1836,i,2525680638455067937,7437492450921996497,131072 /prefetch:8
                    2⤵
                      PID:5036
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5056 --field-trial-handle=1836,i,2525680638455067937,7437492450921996497,131072 /prefetch:8
                      2⤵
                        PID:3672
                      • 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=3996 --field-trial-handle=1836,i,2525680638455067937,7437492450921996497,131072 /prefetch:8
                        2⤵
                          PID:3956
                        • C:\Windows\system32\rundll32.exe
                          "C:\Windows\system32\rundll32.exe" cryptext.dll,CryptExtOpenCER C:\Users\Admin\Downloads\rootca1.cer
                          2⤵
                          • Blocklisted process makes network request
                          • Modifies data under HKEY_USERS
                          • Modifies system certificate store
                          PID:3964
                        • 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=5248 --field-trial-handle=1836,i,2525680638455067937,7437492450921996497,131072 /prefetch:8
                          2⤵
                            PID:4632
                          • 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=5344 --field-trial-handle=1836,i,2525680638455067937,7437492450921996497,131072 /prefetch:8
                            2⤵
                              PID:4516
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=3764 --field-trial-handle=1836,i,2525680638455067937,7437492450921996497,131072 /prefetch:2
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:820
                          • 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:1512
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                              1⤵
                                PID:556

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

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                              Downloads

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

                                Filesize

                                5KB

                                MD5

                                9469a944fe27bbfe19a869ab1588a883

                                SHA1

                                f5eacc81796c6489369b895d3afd86ee22b64fde

                                SHA256

                                cffb3b41b080ee5461e3e19a5f1862ace4ccb6fc91d7449b7dc3720fb8d33b82

                                SHA512

                                9a80043dff523bb2fda1b5507adbb51efbd39ae3cb769cccf3e8c2129659da41f8419d8c0507be6b7422b818791bab489e8b4ae00ee47ddfca86b9cdaa200406

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

                                Filesize

                                5KB

                                MD5

                                a5dc4a3e7057353f633eed99d178ca72

                                SHA1

                                0f73768bc0b515a059da39f78dbbe867b3a1b596

                                SHA256

                                0140b031532152738927197ef55396fad62385dd5d528254bc4601332723085f

                                SHA512

                                6033d86e43ec4c86f4ab5103d85cbaa803504a88cf08dcf22cef6ceeed0f5393e1c39d4c05a08e76d64d86d29e508812e78f8cc02f7ffae2cd673511ab6cde6d

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

                                Filesize

                                5KB

                                MD5

                                56479744b1442a24ebb4a6b0c038c4ad

                                SHA1

                                dfae670ec310e6183439c76e3de9e6034763db20

                                SHA256

                                f81cf30fc02803318a13e66a303bf3902f54d014d88e8f35a0878966e607d212

                                SHA512

                                e88473db84dc1e38927b081879bbd3b8e5b891a7b218c5700d7e2585b61a7720e52ea767f29609750a2cc1d369f235adf4f8a684a02b6a9fecb2d2483e94e345

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

                                Filesize

                                5KB

                                MD5

                                2430f7130a9e7c996291015fbbaffcb2

                                SHA1

                                69f9a0e9548cb447b294259be3fdc0372ca294d5

                                SHA256

                                fcf53e12bdbb430d66df8616ecdf980f56109397deef7e2354c7afda89daa260

                                SHA512

                                32e47dbfd69da77e440cd5e52fd2bb4283b131ef37aa58ed4770b7bb180c2334915ede4e56b9694555083a03f0f11279d66c79e3d0e433f7ca88471a1f405d9b

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

                                Filesize

                                176KB

                                MD5

                                f8764cfbd20e88d534a15eb9afe21a1a

                                SHA1

                                19bd7b4bdfd962b819bd54a5928bdbd9292c3173

                                SHA256

                                21dc841bb0ad7c13f42252f0ecc8946cb17454f4abaaa1fc1ddb8bef80ff52af

                                SHA512

                                34445937c9ba78d9c4f1516fcc4edde4992a7e93085ae6c1429ca29fff6a82ec5590f25f95d76baca2d74b028122831f0b16c0c8dd66506e68ab34ab7d175405

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

                                Filesize

                                89KB

                                MD5

                                8b1308211f54c6cbbe8507877ed8b5f3

                                SHA1

                                919e07058dc52ce0d7d2b1e553a59dfd3facae13

                                SHA256

                                49968bd5a0030376e8f1fca238e4271a1f479a40f24c1b4eb1bb453b9ba61f03

                                SHA512

                                5c3dde5a2c2fe29c28935e8ad3a7dd6e75bf469a0f81f8232f856ccbd9ad3d06d9470ad98e1b59a44912ee198bd48dd9094239bf4451bb3ee42a781177215afa

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

                                Filesize

                                176KB

                                MD5

                                05392821cbfec02a576c812d6e486667

                                SHA1

                                2b47d2a0680c886254a646f9b52e12f87105bd62

                                SHA256

                                fa1977af19160e8dd90223e88db7879919366e456ef00282069093eecb653168

                                SHA512

                                8abf1a2e3891303bc8f4ed53f781d37a1de1dae2f2e139fff76b10db51aa547137f21ef5d21aceecc71f28d5d8d3418276ef9272591e90b52ca01988fb1e2096

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache

                                Filesize

                                109KB

                                MD5

                                b0d5e16985819c05ad8bac53fe5eafec

                                SHA1

                                1735b0f67e33dc8690182979bf7065d1577ef7f3

                                SHA256

                                e1ded72faee2d1d24cb9a81c3fded32814d5a705b16b16285b76b69c1099dcb3

                                SHA512

                                d831bd1d1eea56e5d825f49bf218338f5d44093b94bc760950eedbaa4ea33fe10241cc8a312f47856ebd3d4432456e6071d16bf56d8501e3e047398f6fe94de3

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache~RFe573885.TMP

                                Filesize

                                102KB

                                MD5

                                bf2ed9aa4a863fe62a74476f1eba6694

                                SHA1

                                b883693c04fa329e37806e36ce49953ece0841ed

                                SHA256

                                839d631e5563fc23ca305b42f753c3efbdce873b3ab8c58c655b5b792a269598

                                SHA512

                                310eee8a83b1677dfef216a844ec6dc8fca955e7f733542929d6c9927fdc8f3c3f16fa83f5a4e6d8886daf38013f4ca81321202faa68c2c9c53a8213f0060023

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

                                Filesize

                                2B

                                MD5

                                99914b932bd37a50b983c5e7c90ae93b

                                SHA1

                                bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                SHA256

                                44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                SHA512

                                27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

                              • C:\Users\Admin\Downloads\rootca1.cer

                                Filesize

                                1KB

                                MD5

                                e865a22aae524d26869af0448d6fd896

                                SHA1

                                06b25927c42a721631c1efd9431e648fa62e1e39

                                SHA256

                                87dcd4dc74640a322cd205552506d1be64f12596258096544986b4850bc72706

                                SHA512

                                35205b5bd20b61c32c75d9cd21eab933e0e868e2b0f0ef3467ef92069751b73bb2eac4e7c64fbc00880bd0c1eade9269b638da5d01c2da75d4b07620c2e63434

                              • C:\Users\Admin\Downloads\rootca1.cer

                                Filesize

                                1KB

                                MD5

                                e865a22aae524d26869af0448d6fd896

                                SHA1

                                06b25927c42a721631c1efd9431e648fa62e1e39

                                SHA256

                                87dcd4dc74640a322cd205552506d1be64f12596258096544986b4850bc72706

                                SHA512

                                35205b5bd20b61c32c75d9cd21eab933e0e868e2b0f0ef3467ef92069751b73bb2eac4e7c64fbc00880bd0c1eade9269b638da5d01c2da75d4b07620c2e63434