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Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows10-1703_x64
  • resource
    win10-20230915-en
  • resource tags

    arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
  • submitted
    05/10/2023, 11:32

General

  • Target

    https://r20.rs6.net/tn.jsp

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 2 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://r20.rs6.net/tn.jsp
    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:3960
    • 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=0xcc,0xd0,0xd4,0xa8,0xd8,0x7ffe1fc89758,0x7ffe1fc89768,0x7ffe1fc89778
      2⤵
        PID:3400
      • 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=1808 --field-trial-handle=1892,i,11156381941386070630,12223608712445457096,131072 /prefetch:8
        2⤵
          PID:4128
        • 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=1520 --field-trial-handle=1892,i,11156381941386070630,12223608712445457096,131072 /prefetch:2
          2⤵
            PID:4508
          • 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=2076 --field-trial-handle=1892,i,11156381941386070630,12223608712445457096,131072 /prefetch:8
            2⤵
              PID:1992
            • 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=1892,i,11156381941386070630,12223608712445457096,131072 /prefetch:1
              2⤵
                PID:4848
              • 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=1892,i,11156381941386070630,12223608712445457096,131072 /prefetch:1
                2⤵
                  PID:3776
                • 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=4728 --field-trial-handle=1892,i,11156381941386070630,12223608712445457096,131072 /prefetch:8
                  2⤵
                    PID:4968
                  • 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=4816 --field-trial-handle=1892,i,11156381941386070630,12223608712445457096,131072 /prefetch:8
                    2⤵
                      PID:1168
                    • 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=10.0.15063.0 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4608 --field-trial-handle=1892,i,11156381941386070630,12223608712445457096,131072 /prefetch:2
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:4008
                  • 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:508

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

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

                      Filesize

                      5KB

                      MD5

                      af800faf089309686d9581c7566a7882

                      SHA1

                      6071dcc72eff74a5cc754aa636b4a970819997ad

                      SHA256

                      435e5ff71ca17df1d4941d8de6253a19de61288c13dfd993a7341653046d991c

                      SHA512

                      d4f0fae1e28666e46b85f431a3ba5b1cce5eb0b8bb373c2c288f339f3be5c4e929d71c45ed961e768b9d71bb42d91bec6e99580a153012070cfe57c206d19cb7

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

                      Filesize

                      5KB

                      MD5

                      7c7292288c4660cec4bf87ba39af095f

                      SHA1

                      a5cd492682d44fae62ba8ab1055be6189c5881e8

                      SHA256

                      ed71f763ce7f245e6c5bac0da408492acbfd160c0aee31010d63a9bb7b8761cd

                      SHA512

                      2f98652bb47cc49a87e824ca0c735368382cae355f78b0baf116ebe7a68dbe94160d6d552f24bb91d325deb31df6d6584a91594fe1e6b3a32db9de0696af0996

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

                      Filesize

                      6KB

                      MD5

                      b8c70009abc6b3d2c011cb577c45320b

                      SHA1

                      db4b58ed85ea798030dd8415c61cd06a704d77e8

                      SHA256

                      a1747d36954fef96539f0e0288e3efcf150607728494076cd5ff61e3423ce114

                      SHA512

                      8ad6a5056500d4c548d554b08f643c9fd80adaddb1b3711e8d354507130e19d34c2a7f412efdcfd6a29c526fd87b56a89564ed32e143179c590f0411cc75243b

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

                      Filesize

                      101KB

                      MD5

                      39207a43dd37951c9efbf2b4943ef83b

                      SHA1

                      74bb313096055e23de436e3d38f966e1f8390054

                      SHA256

                      a16cce8f31119857eb0f89f20fe4f6188f97658cf13bfaa4c790d3923052388a

                      SHA512

                      b2e8804babbd33b8470285ee90b400956941ff2c2e90db7bc4dfbb3a98a5db1d33c301f6520a099e1202ef9b79c191481c5f47ba8f8a26a870b3f1855e3843d9

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

                      Filesize

                      2B

                      MD5

                      99914b932bd37a50b983c5e7c90ae93b

                      SHA1

                      bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                      SHA256

                      44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                      SHA512

                      27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd