Analysis

  • max time kernel
    1802s
  • max time network
    1709s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 03:59

General

  • Target

    https://processing-taxrefund.services/au

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://processing-taxrefund.services/au
    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:1668
    • 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,0x100,0x104,0xd8,0x108,0x7fff5e809758,0x7fff5e809768,0x7fff5e809778
      2⤵
        PID:1648
      • 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=1636 --field-trial-handle=1804,i,5280831416307336610,17258585195898335049,131072 /prefetch:2
        2⤵
          PID:1268
        • 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=2136 --field-trial-handle=1804,i,5280831416307336610,17258585195898335049,131072 /prefetch:8
          2⤵
            PID:1496
          • 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=1804,i,5280831416307336610,17258585195898335049,131072 /prefetch:8
            2⤵
              PID:3936
            • 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=3108 --field-trial-handle=1804,i,5280831416307336610,17258585195898335049,131072 /prefetch:1
              2⤵
                PID:4536
              • 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=3080 --field-trial-handle=1804,i,5280831416307336610,17258585195898335049,131072 /prefetch:1
                2⤵
                  PID:3492
                • 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=7 --mojo-platform-channel-handle=4624 --field-trial-handle=1804,i,5280831416307336610,17258585195898335049,131072 /prefetch:1
                  2⤵
                    PID:228
                  • 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=8 --mojo-platform-channel-handle=4812 --field-trial-handle=1804,i,5280831416307336610,17258585195898335049,131072 /prefetch:1
                    2⤵
                      PID:4976
                    • 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=5084 --field-trial-handle=1804,i,5280831416307336610,17258585195898335049,131072 /prefetch:8
                      2⤵
                        PID:3008
                      • 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=3976 --field-trial-handle=1804,i,5280831416307336610,17258585195898335049,131072 /prefetch:8
                        2⤵
                          PID:216
                        • 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=11 --mojo-platform-channel-handle=5092 --field-trial-handle=1804,i,5280831416307336610,17258585195898335049,131072 /prefetch:1
                          2⤵
                            PID:4396
                          • 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=12 --mojo-platform-channel-handle=3708 --field-trial-handle=1804,i,5280831416307336610,17258585195898335049,131072 /prefetch:1
                            2⤵
                              PID:1260
                            • 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=4804 --field-trial-handle=1804,i,5280831416307336610,17258585195898335049,131072 /prefetch:1
                              2⤵
                                PID:1672
                              • 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=3828 --field-trial-handle=1804,i,5280831416307336610,17258585195898335049,131072 /prefetch:2
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:2356
                              • 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=15 --mojo-platform-channel-handle=5124 --field-trial-handle=1804,i,5280831416307336610,17258585195898335049,131072 /prefetch:1
                                2⤵
                                  PID:3932
                                • 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=16 --mojo-platform-channel-handle=5004 --field-trial-handle=1804,i,5280831416307336610,17258585195898335049,131072 /prefetch:1
                                  2⤵
                                    PID:4960
                                • 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:4396

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

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

                                    Filesize

                                    1KB

                                    MD5

                                    01d284a5ea7ad8dcacd10d5ff8c84a4b

                                    SHA1

                                    00c822d14c1808794729108b9fc6c14f98344e7c

                                    SHA256

                                    387cae0fa44d5476ebfdbaf39bcb095135249690484668cf5b497b803daf8ba8

                                    SHA512

                                    c1892123888c0fac8fa26a1022334f0e23be3fa11441cebd093ed42ea979da56344da3eb57258ed2885a8013c09161322bf317a5178ab7b9242053a0aca540b0

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

                                    Filesize

                                    6KB

                                    MD5

                                    6ebabb87474bcfa6c19b5e511aba09a1

                                    SHA1

                                    89b4e82046b158ba4cc83c5356028f2e3ceca6d8

                                    SHA256

                                    6cfc79febf8fe7eea396b9d5c2dbf6bb758c6f9b186998ec8811c5f8aeea3ea8

                                    SHA512

                                    dbcbff523215a46e0ffe438dd4cae3758bd33c8d54718519837190a3b194d52ee1c142e3465d387464b0ed513f9780d5c087019a77380495652cc7b301f97ce6

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

                                    Filesize

                                    6KB

                                    MD5

                                    1b49cb895a944a242db016432f228c7a

                                    SHA1

                                    93094d66558874e5c74be9e24d366f526887609f

                                    SHA256

                                    a6825830a0ee57e5098b38b821b8b0241bbe920585c65c23c493323866170e5e

                                    SHA512

                                    aa8c983eeca1f62bcebd5c198db799d2b1f2c8019982c3c6ab09fd2298d35d517666a30fe66eee0183172a5dbf77d1eefa54871dca28b9561f2b7815deaa0d9d

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

                                    Filesize

                                    101KB

                                    MD5

                                    900229cf54b482a6b27ecb3f316dc038

                                    SHA1

                                    5ff22e18d8a3fc8a6579826d0c380e0e10d8a3f2

                                    SHA256

                                    4d7da9514704cc7002bbfef0a556d9244cd1f65fa4d6628a1662784fc494cd1b

                                    SHA512

                                    11b407d2b7c76f901c614907c3de69f3f9d9ad06ea5a976b07621647d77ebd0ec9ea2f974f84c549509f96ed76bc7e39d68ad7ff8727b4f3da2f69ede24c599a

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

                                    Filesize

                                    2B

                                    MD5

                                    99914b932bd37a50b983c5e7c90ae93b

                                    SHA1

                                    bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                    SHA256

                                    44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                    SHA512

                                    27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd