Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/10/2023, 23:59

General

  • Target

    https://aus-taxnotices.info

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 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://aus-taxnotices.info
    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:4516
    • 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,0x100,0x104,0xd8,0x108,0x7ff874569758,0x7ff874569768,0x7ff874569778
      2⤵
        PID:3808
      • 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=1660 --field-trial-handle=1824,i,5433962325320829302,14047868788872564764,131072 /prefetch:2
        2⤵
          PID:2620
        • 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=2168 --field-trial-handle=1824,i,5433962325320829302,14047868788872564764,131072 /prefetch:8
          2⤵
            PID:2936
          • 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=2244 --field-trial-handle=1824,i,5433962325320829302,14047868788872564764,131072 /prefetch:8
            2⤵
              PID:3560
            • 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=3148 --field-trial-handle=1824,i,5433962325320829302,14047868788872564764,131072 /prefetch:1
              2⤵
                PID:2856
              • 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=3140 --field-trial-handle=1824,i,5433962325320829302,14047868788872564764,131072 /prefetch:1
                2⤵
                  PID:3680
                • 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=4532 --field-trial-handle=1824,i,5433962325320829302,14047868788872564764,131072 /prefetch:1
                  2⤵
                    PID:3224
                  • 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=4912 --field-trial-handle=1824,i,5433962325320829302,14047868788872564764,131072 /prefetch:1
                    2⤵
                      PID:1984
                    • 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=4864 --field-trial-handle=1824,i,5433962325320829302,14047868788872564764,131072 /prefetch:1
                      2⤵
                        PID:2652
                      • 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=5692 --field-trial-handle=1824,i,5433962325320829302,14047868788872564764,131072 /prefetch:8
                        2⤵
                          PID:3416
                        • 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=3372 --field-trial-handle=1824,i,5433962325320829302,14047868788872564764,131072 /prefetch:8
                          2⤵
                            PID:3848
                          • 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=5516 --field-trial-handle=1824,i,5433962325320829302,14047868788872564764,131072 /prefetch:1
                            2⤵
                              PID:780
                            • 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=4500 --field-trial-handle=1824,i,5433962325320829302,14047868788872564764,131072 /prefetch:2
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:4812
                          • 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:4600

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

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

                              Filesize

                              144B

                              MD5

                              79c826b223acc141ef4ce8d9ffe833c9

                              SHA1

                              1fc018e27f73f0c5a0acd1078afab0a0c556a71a

                              SHA256

                              2201b51b3c37e331c6f13edc732852d1521c766b72a096f7b2ed66fac822749b

                              SHA512

                              08dafddb5a20360b29149b2a08608327ae14d996508f78f07c63ecf4276bd47cf8083c7f5c7e7739e81aaf34d656e22fe01a6ab0e620a946e939b38c04245547

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

                              Filesize

                              2KB

                              MD5

                              303aee8a4a8435a750df59e54985f21f

                              SHA1

                              37e86064fc9006c3b188ac6ff2d9a0baf967cf31

                              SHA256

                              deee7b218c14b61bb22ccefad30fbc66426e2abb2ae3c7af5454a94253bcfd1a

                              SHA512

                              5a0cbcc0ad05480018d77bbf79aa816632150fa169720286b9ba5ea741e92a54f68c279ed55b4e807ca292c26a83cc4a9416d6eefbdfc4ac005cddaf423c2593

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

                              Filesize

                              5KB

                              MD5

                              180bad0674ca865216709b4db787c91a

                              SHA1

                              2d596dc6fa22c4aca5c730ff9fd7869bd67512a1

                              SHA256

                              08ec591aa693f2280901ac447c7f660ba1d6d100530382e469c80d8f85401c0b

                              SHA512

                              10fc6d3760b761cdbf637b1024d562d271a538bda23d0ed34f74f73859d8cff1ed8290daae2ca6eea6bc1445b55ad6ceac5266593b738f51a1feb659e48ebd46

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

                              Filesize

                              5KB

                              MD5

                              94469db8cdc112dc0c56a246bdb9cbde

                              SHA1

                              34154ca2314c61941712efc99081421996c008c3

                              SHA256

                              41f7fa712f362a42252d740fddd54117f17f974ea0de14a9f2a98196074d218c

                              SHA512

                              280e087281490fd94169ee027f9a5ff9b3c8abf9a1dcddf7abd3cd4e1e42464a66520d295bae3d91d20c1bb38d671f10d7e7a3159b6666b9878ba9f44d5a9f44

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

                              Filesize

                              5KB

                              MD5

                              9ddc1fcfd21c12de570894c8a90d4c0e

                              SHA1

                              971923b416809c3bc450b61c553e5e54c095f770

                              SHA256

                              79c8a3f02392b169fe4deaac14a01e5528f46cb21cd3fb3c8f7a5a8211fad179

                              SHA512

                              7d5a2ce5e287f74f38cf93ff121057e2b0d6cd3a0f992b0118ce81676ced857992964ab0b3852154a1b52610e2c348a642c5c8078200bd17199ddfbfab67d329

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

                              Filesize

                              6KB

                              MD5

                              45c32f474df57653d12ee703d19ee854

                              SHA1

                              b0e039d52b72aec5a4f427529ca43faa79760434

                              SHA256

                              211ccd2eb88e0bbbc072577b33e47e6734d247d77f88a24e51e937a9d4a5fdc8

                              SHA512

                              beef78a73ad32f50a01293d224371d53244de79d59b99e631602b3ddf29bfa2a7d753c7fa2900a51973ab722618306258eaa59162586f590bf88c24e82e24ffc

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

                              Filesize

                              109KB

                              MD5

                              ba601f29275eeb8ad8f51d37cbae2ed2

                              SHA1

                              e432ed117fe6557ef0e5199ae6109c5dd441ba0b

                              SHA256

                              5d882508e795dc1719f9dce24060e546c2cf8907552f270a0355cefc844feaa7

                              SHA512

                              7c025afbb4cdd2cbc9d1634601614e9ab96501b067796decce818b106993be2bc6ba4e23a3479e44bc4da6f551347edb2a280301c55732d9061b234223958bb1

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

                              Filesize

                              2B

                              MD5

                              99914b932bd37a50b983c5e7c90ae93b

                              SHA1

                              bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                              SHA256

                              44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                              SHA512

                              27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd