Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/09/2023, 13:13

General

  • Target

    https://hk-callback.qcloudmail.com/api/webhook?upn=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

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://hk-callback.qcloudmail.com/api/webhook?upn=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
    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:1284
    • 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,0x100,0x104,0xd8,0x108,0x7ffc25ef9758,0x7ffc25ef9768,0x7ffc25ef9778
      2⤵
        PID:4748
      • 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=1668 --field-trial-handle=1880,i,2461405995718086771,15291988314185558338,131072 /prefetch:2
        2⤵
          PID:3752
        • 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=1880,i,2461405995718086771,15291988314185558338,131072 /prefetch:8
          2⤵
            PID:3336
          • 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=1880,i,2461405995718086771,15291988314185558338,131072 /prefetch:8
            2⤵
              PID:3256
            • 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=3040 --field-trial-handle=1880,i,2461405995718086771,15291988314185558338,131072 /prefetch:1
              2⤵
                PID:4404
              • 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=3032 --field-trial-handle=1880,i,2461405995718086771,15291988314185558338,131072 /prefetch:1
                2⤵
                  PID:4540
                • 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=3844 --field-trial-handle=1880,i,2461405995718086771,15291988314185558338,131072 /prefetch:1
                  2⤵
                    PID:4716
                  • 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=4688 --field-trial-handle=1880,i,2461405995718086771,15291988314185558338,131072 /prefetch:1
                    2⤵
                      PID:4784
                    • 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=5428 --field-trial-handle=1880,i,2461405995718086771,15291988314185558338,131072 /prefetch:8
                      2⤵
                        PID:2324
                      • 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=5124 --field-trial-handle=1880,i,2461405995718086771,15291988314185558338,131072 /prefetch:8
                        2⤵
                          PID:3368
                        • 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=2200 --field-trial-handle=1880,i,2461405995718086771,15291988314185558338,131072 /prefetch:2
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:3100
                      • 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:4592

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\1e2d66ff-4254-4b4f-bb6e-0774547ea2b8.tmp

                          Filesize

                          6KB

                          MD5

                          b2845ba40ae98864290b8c81b62d926b

                          SHA1

                          ec6d81076429529470a4e4e28e3fe62cdf290b4b

                          SHA256

                          f90bfafc53e5125523377b134172e7b1233349aff56d3a579c31962d05c9b802

                          SHA512

                          42d6008be08d0a77af077b2c2ccfbdebaebfa397e05d4669c6b9dba7bc423566706fcb29b91c92c266042fbb863b2425b9beb87be63831756e6b542d8ad7b64f

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

                          Filesize

                          576B

                          MD5

                          94d80777832bcd2628d3380682968bd4

                          SHA1

                          955e5417f4cff1288303aa2e490254b3e59d796a

                          SHA256

                          18aa94c58c3369263974ef6183dc7a27f8a4979a3c104fe55a750351a2028bf6

                          SHA512

                          6e77d942336989b3ad5b41d40fe1fbc047d322889073abaea04789a5e78a5b48afe28c1ad5ee728ed808c41f119f857172e2dfa96bae8adb89afb77042e0ffe1

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

                          Filesize

                          2KB

                          MD5

                          3f14847be5b3174449f6026144cba276

                          SHA1

                          f9c5de3993f84454dab0ef8c1ccfe204f0ffae30

                          SHA256

                          e706008e28c6183b26360547c22b6b272c000718664c1536383ccbfa62ba1841

                          SHA512

                          a2ff46c0d3f91a948ccdf5c4768d6fd2d93ae96d2855bcf989def0756253d4a042951e13e457f0e3d409d5482133fe21dc1ce36bc90ac19550b28e1aea13582d

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

                          Filesize

                          703B

                          MD5

                          b431c3f3161cf414edb1026b6b53e93d

                          SHA1

                          365994d49cd40f8faac6a767d23feec0c857eeba

                          SHA256

                          389387ae144d5f556717467293de02a31472750ae9e339df62f5138f3e9467fe

                          SHA512

                          d21f17946a5457aa3c4da8e9dbca33d925803febcf1c207e98d16952de13971cf915c45fb2abf5d304384c8a8bbe50708c39875700260f43075c32dfc1344343

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

                          Filesize

                          97KB

                          MD5

                          d426d5b662670c0a73342183e7ee43ba

                          SHA1

                          a69d6d0414df7e7f3975db6d8def855fb75c3cf9

                          SHA256

                          3a2ec906cb0f2f7e1429f8d665949a019b0fd7465be6181cc85ae2e130510bff

                          SHA512

                          da2963bc7751bdd04fe059fd3d5b6d599929dea403fed9ec6b2ea2e71c3b5af82e53b6650e7325a1c28ce59d7e60dcd61110bc8020ae974e20ca43e0461d47a3

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

                          Filesize

                          2B

                          MD5

                          99914b932bd37a50b983c5e7c90ae93b

                          SHA1

                          bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                          SHA256

                          44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                          SHA512

                          27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd