Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/08/2023, 06:49

General

  • Target

    https://mytax-office.info

Score
1/10

Malware Config

Signatures

  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://mytax-office.info
    1⤵
    • 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:1524
    • 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=0x100,0x104,0x108,0xfc,0x10c,0x7ffe40c59758,0x7ffe40c59768,0x7ffe40c59778
      2⤵
        PID:4472
      • 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=1628 --field-trial-handle=1884,i,4576784244004365474,18106015927926740438,131072 /prefetch:2
        2⤵
          PID:4992
        • 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=2248 --field-trial-handle=1884,i,4576784244004365474,18106015927926740438,131072 /prefetch:8
          2⤵
            PID:1876
          • 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=2160 --field-trial-handle=1884,i,4576784244004365474,18106015927926740438,131072 /prefetch:8
            2⤵
              PID:1200
            • 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=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3052 --field-trial-handle=1884,i,4576784244004365474,18106015927926740438,131072 /prefetch:1
              2⤵
                PID:3528
              • 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=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3076 --field-trial-handle=1884,i,4576784244004365474,18106015927926740438,131072 /prefetch:1
                2⤵
                  PID:1212
                • 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=4784 --field-trial-handle=1884,i,4576784244004365474,18106015927926740438,131072 /prefetch:8
                  2⤵
                    PID:504
                  • 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=4576 --field-trial-handle=1884,i,4576784244004365474,18106015927926740438,131072 /prefetch:8
                    2⤵
                      PID:3732
                    • 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=4 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=4548 --field-trial-handle=1884,i,4576784244004365474,18106015927926740438,131072 /prefetch:1
                      2⤵
                        PID:4448
                      • 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=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=3408 --field-trial-handle=1884,i,4576784244004365474,18106015927926740438,131072 /prefetch:1
                        2⤵
                          PID:1908
                        • 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=4604 --field-trial-handle=1884,i,4576784244004365474,18106015927926740438,131072 /prefetch:8
                          2⤵
                            PID:2000
                          • 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=5160 --field-trial-handle=1884,i,4576784244004365474,18106015927926740438,131072 /prefetch:8
                            2⤵
                              PID:3572
                            • 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=4 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=3728 --field-trial-handle=1884,i,4576784244004365474,18106015927926740438,131072 /prefetch:1
                              2⤵
                                PID:2692
                              • 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=4 --enable-main-frame-before-activation --renderer-client-id=14 --mojo-platform-channel-handle=4832 --field-trial-handle=1884,i,4576784244004365474,18106015927926740438,131072 /prefetch:1
                                2⤵
                                  PID:1824
                                • 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=5044 --field-trial-handle=1884,i,4576784244004365474,18106015927926740438,131072 /prefetch:2
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:1264
                              • 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:2484

                                Network

                                MITRE ATT&CK Matrix

                                Replay Monitor

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                                Downloads

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

                                  Filesize

                                  824B

                                  MD5

                                  a94ce0351d336990c04b2e9128e64609

                                  SHA1

                                  4e31345f422713b9a450b74d64cb8700623b49b1

                                  SHA256

                                  b0dda2f3b9930d85e75dc355c61d37c747692ee323f1bf601ce4f3c4ce8f73cb

                                  SHA512

                                  a51c2cab05adfa9d50040fb529962c74a5cb5782a6dc9e30c1174ee9d8ec28ea85488f4f923d538132185b191e7dc3464242eef5301c1291fa04399ef8fa0248

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

                                  Filesize

                                  6KB

                                  MD5

                                  c31167fc02566f65baf7948e7d303301

                                  SHA1

                                  23d082e311dad17328b973262ad3c2ff48f9d421

                                  SHA256

                                  e31096ebc94be1c8bc17a684d935922d84c0ae10eeb08947e97095c952f54d19

                                  SHA512

                                  7b5cc1fe29500adcaea284823a7bba68606e23f8f09fc2bde5145abffd2402f61bccc83001b292120d30b85b76567ae1c2fb32c68b4c1f3d8c5b47564886bab9

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

                                  Filesize

                                  6KB

                                  MD5

                                  5624fb5d3804a688099fd76ebf21b37d

                                  SHA1

                                  47ae6443bd5d09c153fb717e6aaef2ee5eb3f98e

                                  SHA256

                                  88868070684480f314fc652628af15831ae0e64edd14c11932a56cf623933956

                                  SHA512

                                  4de3a6ab942910f8ab27441f0deaf95c8769abda2041802f3ad59cb7984b63fd3c17d47fea087d91169314f73ee47079221471586e244db45fdd00303d93b62e

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

                                  Filesize

                                  112KB

                                  MD5

                                  38842b96f5f70d9e3695f130499c9941

                                  SHA1

                                  6f0686c6eeb6c737e78bccbc7acb742e5f1364ba

                                  SHA256

                                  c75ac75423e5dcac2da30ab2dc90ed0b402630e7b4836f8415e74457c93b48a1

                                  SHA512

                                  488e77002b9ddc0fbc02214e4effd29dae3944c29ce5aa92ef697539e4e7bb723e6af50091088fb23bde6aaa1b08b13a6ae9014df0ae414e453e38ea6c265fc5

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

                                  Filesize

                                  89KB

                                  MD5

                                  eb52c8c9f2f0f29677447a1b6f047fa3

                                  SHA1

                                  80c1eb0d4e5b017196b4d80f0db4d42ab5d857d1

                                  SHA256

                                  aaedea2f4200f9c1e4f621d0593f136fd22089eaa3aa3641d1ab0b779641b778

                                  SHA512

                                  e59c48be99c9076f00a04425250de5b4ddd913d8250c864a65d665ace86834a5e3af9fb3dedfde3fa36003e75d266675f41f1fb66cc3d4e3dbebc6f265a7de5e

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

                                  Filesize

                                  89KB

                                  MD5

                                  10e984cc5f9c0b6137187400b37e3f18

                                  SHA1

                                  1ee0c2dd273cda48f10434882dd37068b84c9fd2

                                  SHA256

                                  6f5a81a179aaba11eed6180d349645a44fe5f5ec6db412162cda7b55870b4058

                                  SHA512

                                  f0ebe665f81c954f9ae67b0fd2df1ea4a38968600f75cb5dbaba310dfc09cb0290636ca13312e628dca8b7a59389380252c8d5d4430733a376261d36cdae6c59

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

                                  Filesize

                                  89KB

                                  MD5

                                  7b18dff623fa9a4ac1f515cc200c5490

                                  SHA1

                                  a64f9ba215940629222bd6f59d5becedc7a82416

                                  SHA256

                                  888229c36bf43561578aaeba4d410b3c9d617967200bf40d8dcb77d4e4e23f0d

                                  SHA512

                                  d2c9b570f9e33e9173e77da2c5cd81a52157edc66c9d0fc0ce65b6643a5714a545f7a3a697ab257fd2671b1cecf7ecfee91ef6adb32237ec84cfb852b8e1de61

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

                                  Filesize

                                  2B

                                  MD5

                                  99914b932bd37a50b983c5e7c90ae93b

                                  SHA1

                                  bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                  SHA256

                                  44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                  SHA512

                                  27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd