Analysis

  • max time kernel
    156s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/07/2023, 01:05

General

  • Target

    https://mytaxrefund-ato.com

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 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://mytaxrefund-ato.com
    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:4024
    • 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,0x100,0x104,0xd8,0x108,0x7ffcfb589758,0x7ffcfb589768,0x7ffcfb589778
      2⤵
        PID:4368
      • 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=1800 --field-trial-handle=1904,i,17789378565570238220,6121947191389728388,131072 /prefetch:2
        2⤵
          PID:4972
        • 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=2132 --field-trial-handle=1904,i,17789378565570238220,6121947191389728388,131072 /prefetch:8
          2⤵
            PID:4788
          • 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=2204 --field-trial-handle=1904,i,17789378565570238220,6121947191389728388,131072 /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 --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=2832 --field-trial-handle=1904,i,17789378565570238220,6121947191389728388,131072 /prefetch:1
              2⤵
                PID:4988
              • 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=2840 --field-trial-handle=1904,i,17789378565570238220,6121947191389728388,131072 /prefetch:1
                2⤵
                  PID:3600
                • 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=4628 --field-trial-handle=1904,i,17789378565570238220,6121947191389728388,131072 /prefetch:1
                  2⤵
                    PID:1932
                  • 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=5336 --field-trial-handle=1904,i,17789378565570238220,6121947191389728388,131072 /prefetch:8
                    2⤵
                      PID:664
                    • 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=5392 --field-trial-handle=1904,i,17789378565570238220,6121947191389728388,131072 /prefetch:8
                      2⤵
                        PID:2948
                      • 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=5448 --field-trial-handle=1904,i,17789378565570238220,6121947191389728388,131072 /prefetch:8
                        2⤵
                          PID:944
                        • 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=5340 --field-trial-handle=1904,i,17789378565570238220,6121947191389728388,131072 /prefetch:8
                          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=1072 --field-trial-handle=1904,i,17789378565570238220,6121947191389728388,131072 /prefetch:2
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:1284
                        • 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:624

                          Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000007

                                  Filesize

                                  171KB

                                  MD5

                                  442d0e9e8515f3517372c89d7d94fe9b

                                  SHA1

                                  768598cde1ba553c3b208f842b06eb80b94f2939

                                  SHA256

                                  205f37c78cda70f635fd72e1d99079d7c4d88e54e88b04a0d746455eefe3b979

                                  SHA512

                                  cd396095eb7640706063c45d951e49ec380ddd5f61088a26df2471d4424b14579708842ff971a5abe41f03218364ee5f7246d26bf2a0d3e08998bd580abcf739

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

                                  Filesize

                                  120B

                                  MD5

                                  f031b8099172fdd6b457f120ae521f80

                                  SHA1

                                  dde6110381098091f9bd3cc64f6722d89468bf7c

                                  SHA256

                                  374fc6eac295e4df30caa93c7fc43544a04d862fbabd510770bd14226e262b9a

                                  SHA512

                                  7285df8f2a2a74fc1c99fb27f9b77b989b234abfadbfd42b598d7bbac0f56c4a942d939f6c8ad723be2a92cf63eab74c9bf2030b51e2b697c6d49e2db64844c5

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

                                  Filesize

                                  2KB

                                  MD5

                                  950c340d01f15e618142c934d2d13e96

                                  SHA1

                                  5beaf791f1f68db60ddc5c002672f6d4cf0647fd

                                  SHA256

                                  e0c8c397fa735d63224b6d43f2ca481cbabdc0dbc5ba4e17ddd25e17ee20049a

                                  SHA512

                                  23bed2b90fcdba90ebde8cf9eba6b7768ddb8347aaa4bfd8dffb4960ac1fce3a7f9b879fe1c582d33e74e3c95d77742032d6e15baede6b6357c5c991ad5b9824

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

                                  Filesize

                                  2KB

                                  MD5

                                  822db27c48acbea7413cc1ae60dee315

                                  SHA1

                                  98c988e5b910c646a40094eadbce3458d47ae148

                                  SHA256

                                  0e5f7d999303298d0a744c1aa792f2e5c048b054f7d2cb495254f95526eaa9b0

                                  SHA512

                                  ba9c1d5d565ba3b3b7be7498a12ddffb1733fad732fe9256fb5198d3c1a148e0274ca63c7e1097f41ee47c4c058a8625c02b70667baf75f753bbbf35c86c6963

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

                                  Filesize

                                  6KB

                                  MD5

                                  77de44c8daa2dcacf1d84b7f4727fbba

                                  SHA1

                                  16c8f887c6b4d48fcb7b515828b93f18102e8de5

                                  SHA256

                                  ffc41c3fdeaee0011a50db32f3501e280b8f11433b5030e018b1d3a0e6253770

                                  SHA512

                                  55da02951db3bf935c00f7113019246eae2f62ae1b27d293c3c412fb367206484953272b397b19db64fc12f9b876c5fba17c70230d407a59afc2d85f4b8de740

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

                                  Filesize

                                  6KB

                                  MD5

                                  74d9fa5278aadcc1787a1854da264444

                                  SHA1

                                  b3cf12515ce64c888979aad1010d12b191b9809e

                                  SHA256

                                  1c977844a3eddfc93e73a4a9cb3e98c4cc2be210c4c20bd12699502e921d4f11

                                  SHA512

                                  b6613590131288da2c4453be2618223d32147d2377513eb78139ee03518bc8332a293f5ce0b2e2f4f773f465b248001c92d08a683683ba9549fc68edfb0d25d1

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

                                  Filesize

                                  6KB

                                  MD5

                                  d62985f6faa3ecbc10fe9ac73d84f9cd

                                  SHA1

                                  399eac121502b328a051b0cc6efe4080fa630482

                                  SHA256

                                  9d4307d876956c839848c66c1932270f15b8a5ba4c026da07610e26a6ff0bfff

                                  SHA512

                                  566ebbeebeb6df8f3b5d87db6a2f3a3ed76cb433d8b1e8ba4be5eb469f0030225b8ef3e08ecbbce87c92b8b00751202351c9de15f388933d53718834237cde07

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

                                  Filesize

                                  108KB

                                  MD5

                                  8415def8a033c1848b5acf54d58ed6df

                                  SHA1

                                  c4a73e1c9cf2450323a18910867035a0fc999309

                                  SHA256

                                  61531c121ad9ef0572acbd373e1a759093c0981874c51cd83df5c762c1c5cff5

                                  SHA512

                                  290163a07afee9fb05256d72f44f9fef899cd51b96ad0aa8124632c4eb7cadf2ec94e052ba9c78e1fea233aadf25ce6c07c1410981a533fd2e438684929ccbc6

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

                                  Filesize

                                  89KB

                                  MD5

                                  9b2ef78f7adf4bb8f808675fdc49c550

                                  SHA1

                                  b674368fe5d528748aab952c8737cf9e08fe99ba

                                  SHA256

                                  ec84df63b0767ec2bd8d6d9377eebd6529f3697061bbfe0c3103452795ecc788

                                  SHA512

                                  3e475fac6f9fef1735efd123b98fc7cff75327b21256dc6147e0912b15b10aea1bfac48cd80f844378d4e10685a4c4ac80ee5bc8c194f7523743b698cba7362b

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

                                  Filesize

                                  89KB

                                  MD5

                                  499dfc1a2ba9dc7f121b2d04e9358adc

                                  SHA1

                                  d3f4a9c47111953fc066f10fa2a04d4fef913795

                                  SHA256

                                  72eb0abe42340659360dcb66f5aa0da946aecb6d7d8149e29f438a280da2cb37

                                  SHA512

                                  0dcb92c55b1d1be38cefdc7b7f342f9e24df913e2650d29026c183bd97b1e9ef61e324bcd85d3861b2005eee8e1b19d69ce595011bd9c83a6117f666703c6aab

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

                                  Filesize

                                  89KB

                                  MD5

                                  9797c03052b9ba895ff37ce5d93fab08

                                  SHA1

                                  1acc5c82fb124902a4a3d6f4b6f6458d654426f1

                                  SHA256

                                  df5ac1ba5d743e96c70e26fe59f9e8547d217faa89f6677f25bc2f5b7c9cf9df

                                  SHA512

                                  2dfc6e58426d0a7dd8436b5460b6e999c6c80a731654a187241b153c59259cf3771576ad01983d477d90dc8972a887150df5e421a2ba8761ee79585e4d233970

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

                                  Filesize

                                  2B

                                  MD5

                                  99914b932bd37a50b983c5e7c90ae93b

                                  SHA1

                                  bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                  SHA256

                                  44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                  SHA512

                                  27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd