Analysis

  • max time kernel
    145s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-04-2024 02:18

General

  • Target

    $PLUGINSDIR/WelcomeScreen.htm

  • Size

    5KB

  • MD5

    54bbb668f02441624af5d536ad9dfd05

  • SHA1

    6a4a1e9522658a725c3f4d2864a2087d33368db6

  • SHA256

    ed7a47c63626fb0ad11635421592b3e805937ea04a94ca39f6864edceed708fc

  • SHA512

    b7cd133b796af24a17345ba578bd03ea1de659f83f7b7d2b29bcf44ccbca376611d35fd0ec435083c8719f2e35cbab2d1afb2d9fdec89a3ef4302fcd715d439c

  • SSDEEP

    96:V9WOHLKTBGHMVtZTk/fOvkHanGgKyzjAQINeX0XpiXpZr8Y:V9WOLKcHwbTs2vkHanRKyzjXIwX3N

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WelcomeScreen.htm
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1168
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffbde1a46f8,0x7ffbde1a4708,0x7ffbde1a4718
      2⤵
        PID:1592
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2268,12180265853891240070,11781832162841954080,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2272 /prefetch:2
        2⤵
          PID:5008
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2268,12180265853891240070,11781832162841954080,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2340 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4968
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2268,12180265853891240070,11781832162841954080,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2812 /prefetch:8
          2⤵
            PID:2464
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2268,12180265853891240070,11781832162841954080,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3280 /prefetch:1
            2⤵
              PID:1720
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2268,12180265853891240070,11781832162841954080,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3288 /prefetch:1
              2⤵
                PID:1304
              • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2268,12180265853891240070,11781832162841954080,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4560 /prefetch:8
                2⤵
                  PID:2036
                • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2268,12180265853891240070,11781832162841954080,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4560 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:4536
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2268,12180265853891240070,11781832162841954080,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4664 /prefetch:1
                  2⤵
                    PID:4264
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2268,12180265853891240070,11781832162841954080,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4556 /prefetch:1
                    2⤵
                      PID:324
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2268,12180265853891240070,11781832162841954080,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5072 /prefetch:1
                      2⤵
                        PID:3652
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2268,12180265853891240070,11781832162841954080,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5128 /prefetch:1
                        2⤵
                          PID:712
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2268,12180265853891240070,11781832162841954080,131072 --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=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4996 /prefetch:2
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:2732
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:4464
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:2276

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                            Filesize

                            152B

                            MD5

                            2a70f1bd4da893a67660d6432970788d

                            SHA1

                            ddf4047e0d468f56ea0c0d8ff078a86a0bb62873

                            SHA256

                            c550af5ba51f68ac4d18747edc5dea1a655dd212d84bad1e6168ba7a97745561

                            SHA512

                            26b9a365e77df032fc5c461d85d1ba313eafead38827190608c6537ec12b2dfdbed4e1705bfd1e61899034791ad6fa88ea7490c3a48cdaec4d04cd0577b11343

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                            Filesize

                            152B

                            MD5

                            fbe1ce4d182aaffb80de94263be1dd35

                            SHA1

                            bc6c9827aa35a136a7d79be9e606ff359e2ac3ea

                            SHA256

                            0021f72dbca789f179762b0e17c28fe0b93a12539b08294800e47469905aeb51

                            SHA512

                            3fb0a3b38e7d4a30f5560594b1d14e6e58419e274255fb68dfe0ca897aa181f9ce8cb2048403f851fd36a17b0e34d272d03927769d41a500b2fe64806354902f

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                            Filesize

                            6KB

                            MD5

                            89b8a1fbdb55f4e6a8f6c9cec7c30702

                            SHA1

                            571b27cf86192a73d5310be367225f8a8367ac5e

                            SHA256

                            991356a9020db770e3ba715b4b4d44420fbaee59e84b4408af428c3ee0d011b5

                            SHA512

                            b9cfd52afc5000975628b051fe4ad385cb1d59f27e242ade639cf4467f336c76a9af7a113a243d2390b5940862ad678c5afdd99712da3acf6cdfb13937935108

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                            Filesize

                            6KB

                            MD5

                            2292af21ffc2b1a3c43a6aa5ae075f66

                            SHA1

                            52cbdb28da8fb89180276bd35cc4ed867aa95a88

                            SHA256

                            2401c04fbdc6ed339c058785f13d9ec4e4ebe3363b9bf83d788fac010c1d0949

                            SHA512

                            11ca8b9ae85731f96680eb152fa25cb3a58ba6c2dd01971ab6fbe9fb1e0ff29e9eafb4473198f026dd77a6ba9592bc0bf9b061d23d4043b04827a6b199da8cc5

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                            Filesize

                            16B

                            MD5

                            6752a1d65b201c13b62ea44016eb221f

                            SHA1

                            58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                            SHA256

                            0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                            SHA512

                            9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                            Filesize

                            8KB

                            MD5

                            652c6cbe0eca1c488c81f4a171108f37

                            SHA1

                            648690730f9fa24ac4cc7cbe62c2b7400b440046

                            SHA256

                            190f6f1ea62b281da4815d470e979818ba901fd7a0c6e56eb4cb9fde44a028ea

                            SHA512

                            5704421334dcb4e256c9154e2beca836b759b02d2ef8c5114c8191c09f408c5ae87dffe77ed4c478da6604052c16381065600196f3f81f4af1bd5143ace60435