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Analysis

  • max time kernel
    158s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/01/2024, 00:14

General

  • Target

    https://www.reknotic.com/2023/08/use-this-free-tool-to-optimize-windows.html

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://www.reknotic.com/2023/08/use-this-free-tool-to-optimize-windows.html
    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:2068
    • 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,0x100,0x104,0xd8,0x108,0x7ff9c6ae9758,0x7ff9c6ae9768,0x7ff9c6ae9778
      2⤵
        PID:4624
      • 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=1712 --field-trial-handle=1852,i,13783694186362285693,5938296340006401837,131072 /prefetch:2
        2⤵
          PID:2688
        • 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=2144 --field-trial-handle=1852,i,13783694186362285693,5938296340006401837,131072 /prefetch:8
          2⤵
            PID:4100
          • 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=2236 --field-trial-handle=1852,i,13783694186362285693,5938296340006401837,131072 /prefetch:8
            2⤵
              PID:4072
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3100 --field-trial-handle=1852,i,13783694186362285693,5938296340006401837,131072 /prefetch:1
              2⤵
                PID:4736
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3088 --field-trial-handle=1852,i,13783694186362285693,5938296340006401837,131072 /prefetch:1
                2⤵
                  PID:3280
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4940 --field-trial-handle=1852,i,13783694186362285693,5938296340006401837,131072 /prefetch:1
                  2⤵
                    PID:4388
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=4500 --field-trial-handle=1852,i,13783694186362285693,5938296340006401837,131072 /prefetch:1
                    2⤵
                      PID:4088
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=5528 --field-trial-handle=1852,i,13783694186362285693,5938296340006401837,131072 /prefetch:1
                      2⤵
                        PID:2864
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=5684 --field-trial-handle=1852,i,13783694186362285693,5938296340006401837,131072 /prefetch:1
                        2⤵
                          PID:3736
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6024 --field-trial-handle=1852,i,13783694186362285693,5938296340006401837,131072 /prefetch:8
                          2⤵
                          • Modifies registry class
                          PID:808
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=6016 --field-trial-handle=1852,i,13783694186362285693,5938296340006401837,131072 /prefetch:8
                          2⤵
                            PID:1480
                          • 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=6656 --field-trial-handle=1852,i,13783694186362285693,5938296340006401837,131072 /prefetch:8
                            2⤵
                              PID:1956
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --mojo-platform-channel-handle=6588 --field-trial-handle=1852,i,13783694186362285693,5938296340006401837,131072 /prefetch:1
                              2⤵
                                PID:1964
                              • 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=5976 --field-trial-handle=1852,i,13783694186362285693,5938296340006401837,131072 /prefetch:8
                                2⤵
                                  PID:5312
                                • 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=4318 --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=5280 --field-trial-handle=1852,i,13783694186362285693,5938296340006401837,131072 /prefetch:2
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:2804
                              • 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:2152

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\821194ed-fd5a-482f-bf6c-121faa2a81a5.tmp

                                  Filesize

                                  5KB

                                  MD5

                                  4b0585669ba92f0a26a66c7d203ebfea

                                  SHA1

                                  54f785b266f2b1fc9fa98a24621ef83de2e36f6e

                                  SHA256

                                  902e2f708a9451d96fbf83233608fa94e2dda00270dda2d987566de6bea053dc

                                  SHA512

                                  1d1871183fcb103045cbd52993448bdc01c9ae5446d61d400c22b6a1a5ef4d72241b4663f2910ce7848e49f4beaac082e262cafbae4a33b9898a34dec365fdab

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\949350f9-277f-40ba-a83a-5459849b983d.tmp

                                  Filesize

                                  6KB

                                  MD5

                                  bd5c995c2662df1453acf2e6386f0def

                                  SHA1

                                  5814976d1c907514c91f440bf5f22701c03f6743

                                  SHA256

                                  88e11dcf12b5ddf2011a84d5e10838eae0a8569c4cb826d24190510e6d2576a5

                                  SHA512

                                  f2a5f654c2993fc5d321df0ebb4bc79b7cc03a495dc3c501e2f0d209a89c5e060c964258b1ff51f09d594f39a2cb366435a7e88eca018bcbcda073652744f081

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000019

                                  Filesize

                                  201KB

                                  MD5

                                  e3038f6bc551682771347013cf7e4e4f

                                  SHA1

                                  f4593aba87d0a96d6f91f0e59464d7d4c74ed77e

                                  SHA256

                                  6a55e169bc14e97dfcd7352b9bc4b834da37dd1e561282d8f2cc1dbf9964d29a

                                  SHA512

                                  4bee876cea29ad19e6c41d57b3b7228f05f33f422e007dc1a8288fd1a207deb882c2789422e255a76c5bf21544f475689e7192b9a8a80dc2e87c94ee0bc6d75f

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

                                  Filesize

                                  720B

                                  MD5

                                  b2a1177932263336f86fc2d737bb92d5

                                  SHA1

                                  0cc52b02903a54e0cd82a33b46e4f1d5e5993e46

                                  SHA256

                                  6d25b22aac7e49f215262de72a8b4b0980285c43adfbc93dc8b7542416653f3b

                                  SHA512

                                  ea4e66bf43801124d62453b8769b288d43ec285e4aefd978a67a810e5eafb97be1abafe4f90a1cd3de0e29548aa06cf42cd260818df81f765118862d9bc90f5c

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\8d2a85ac-04a5-43c9-9611-e5f33c31c942.tmp

                                  Filesize

                                  1KB

                                  MD5

                                  b1c178edf3bf1a8cf8420afe0f92956b

                                  SHA1

                                  6a2cf64c1fd924ef83d4765e1758632cbbeae968

                                  SHA256

                                  c2d65f2e43074a1db3fe3fd1282c0eabbd0fc164e54ec79b44564476d6579e01

                                  SHA512

                                  c2ef255c8db1141c26e74df34bcd722f00eae167f663196d4cdfc37705bc242ea7454ea8cc2d40506f963766598d591fe959a264f4fb26b49d93d8bcecb0453f

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

                                  Filesize

                                  5KB

                                  MD5

                                  b9f2ac6ed6d7c3567d8ae8265e7e384f

                                  SHA1

                                  5106ab8b68a7ca04c4c2dfee55e893351750e465

                                  SHA256

                                  6e87c4c64fc17f97a185506229dce6e0c3d8d0e586ef17668fc37ce6654bce81

                                  SHA512

                                  2d25df36db9c1436e6bc1ec0b051addfcf99380e8a3daea03c456992c4501568e7cb0ba6cfe278aa81105cacb6f492c953673bfe693cadf8dce97abdc790a220

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

                                  Filesize

                                  874B

                                  MD5

                                  f32786b767211ee1879edd325e98b79a

                                  SHA1

                                  db6fedc10ac1c393cccaa93b818148dc5aa5484f

                                  SHA256

                                  2d75d9c0396ae402ef84fc7c05609d241dfd5403e259ae9e0936827a13776347

                                  SHA512

                                  c994d98a3c60260ee42021289e7cf4e981db52f0429c192fca72e055d4d7075d62426ff86e5eabe3f772fd43eb002475ddd73ce631ebda8fce7163aaa8af6009

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

                                  Filesize

                                  874B

                                  MD5

                                  decce8c77bb50cf3e88e19c95cb13d3e

                                  SHA1

                                  c193a877a33a7bdde6d45b75c781acee04a6005d

                                  SHA256

                                  93c1bdc15c5ebbc66e4ed83665edc227600c78bed0a6d81885fdf25cafd8db2e

                                  SHA512

                                  f0ba04a3e8e6c03b4b78839704044675626a5b8664f12a0d0ac6c66cfffb18949f9bf33f25960b7b20644ab57d14e350701fb7da0b8259f9f4acec692d266e87

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

                                  Filesize

                                  1KB

                                  MD5

                                  45dc41b3a6876fb80da705b6db9f45ec

                                  SHA1

                                  3a0124c52a518e4dd4cebc06beacfe5d3f7b34ad

                                  SHA256

                                  a1ca863e4e7d8333e4f95e8230516635623309988c4d559dd6f557670ed6867f

                                  SHA512

                                  c9739ab7817359a3133234e1c44fb622e8646ef8bfc4165a9d7e92e7323a1c3328bb596496f693c1ed183657150c53a200c5b73fffe8722c27e70c3e1389727a

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

                                  Filesize

                                  5KB

                                  MD5

                                  2d07ececda99b71336272176cf47fde0

                                  SHA1

                                  1a968d182f827554d00aa7d16e21b9858b03493b

                                  SHA256

                                  a8c9992b0ca2f2c3b74eee5319fe94a9b3c77b49ce523b46be55b1bbe93dec91

                                  SHA512

                                  128b31a10213f1b7c43cdf12366f8bf431aa1cb3d262eb917b2816071488d81dbbc320557f334da0a8f26934798ca151e36898c56af681c4cdc17eea5619654b

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\CacheStorage\379f1cbab5b08b6fc9e08681e42d8be311441c88\index.txt

                                  Filesize

                                  56B

                                  MD5

                                  ae1bccd6831ebfe5ad03b482ee266e4f

                                  SHA1

                                  01f4179f48f1af383b275d7ee338dd160b6f558a

                                  SHA256

                                  1b11047e738f76c94c9d15ee981ec46b286a54def1a7852ca1ade7f908988649

                                  SHA512

                                  baf7ff6747f30e542c254f46a9678b9dbf42312933962c391b79eca6fcb615e4ba9283c00f554d6021e594f18c087899bc9b5362c41c0d6f862bba7fb9f83038

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\CacheStorage\379f1cbab5b08b6fc9e08681e42d8be311441c88\index.txt~RFe58a0a0.TMP

                                  Filesize

                                  120B

                                  MD5

                                  ce818a98c7743a9896977d8c58304e80

                                  SHA1

                                  515086bf733db568810609b83170b7bed36ebba0

                                  SHA256

                                  c909155eb2416e7ba0424789c6de0e8595fd3515509bfb6a333a63c91b006d9f

                                  SHA512

                                  75c8cbed232dd2de0eff1ea6741ef0bcca6a9ef3af528109d39db0811e1e334068af6ca9bf4e199679f1faffe1e9eaf513fa39ff79ee2b56b23e67a6955df3e5

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

                                  Filesize

                                  114KB

                                  MD5

                                  3560d77c93653db03b8b42275c9e6c39

                                  SHA1

                                  b3b4e944f477a227e0640428a26ecf2d619cf142

                                  SHA256

                                  f0a8b254ad696c7cd64913dd75b41c38807892b976d9c9106a4b8c2c5f00d08f

                                  SHA512

                                  5124ccccbbdf9dd911c81d4665646079a270a6515dcc4726a929dfd7a1b3ba904cf7525e4a8ee2eb2b717196ade34e50994cdf00f529d190823432bb8e4f08b3

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

                                  Filesize

                                  2B

                                  MD5

                                  99914b932bd37a50b983c5e7c90ae93b

                                  SHA1

                                  bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                  SHA256

                                  44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                  SHA512

                                  27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd