Analysis

  • max time kernel
    142s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/11/2024, 04:46

General

  • Target
    FSCapture-10.5-CN/bin/423Down.url
  • Size 209B
  • Sample241104-fd1jjatjay
  • SHA256 93585a844b68e62ad7aa69b013b7f10d8b949a7f35af0b9b6b823aa526f7af8f
  • MD5 SHA1 SHA512
Score
3/10

Malware Config

Signatures

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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:\Windows\System32\rundll32.exe
    "C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\FSCapture-10.5-CN\bin\423Down.url
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4824
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://www.423down.com/
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:860
      • 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=0x11c,0x120,0x124,0xf8,0x128,0x7ffcb55446f8,0x7ffcb5544708,0x7ffcb5544718
        3⤵
          PID:2856
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2076,14640341848029947894,1071121887729062691,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2116 /prefetch:2
          3⤵
            PID:4652
          • 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=2076,14640341848029947894,1071121887729062691,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2208 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:468
          • 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=2076,14640341848029947894,1071121887729062691,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2916 /prefetch:8
            3⤵
              PID:1448
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,14640341848029947894,1071121887729062691,131072 --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=3336 /prefetch:1
              3⤵
                PID:4076
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,14640341848029947894,1071121887729062691,131072 --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=3360 /prefetch:1
                3⤵
                  PID:4372
                • 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=2076,14640341848029947894,1071121887729062691,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5240 /prefetch:8
                  3⤵
                    PID:1168
                  • 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=2076,14640341848029947894,1071121887729062691,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5240 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:3824
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,14640341848029947894,1071121887729062691,131072 --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=5232 /prefetch:1
                    3⤵
                      PID:2628
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,14640341848029947894,1071121887729062691,131072 --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=4808 /prefetch:1
                      3⤵
                        PID:384
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,14640341848029947894,1071121887729062691,131072 --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=4604 /prefetch:1
                        3⤵
                          PID:4616
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,14640341848029947894,1071121887729062691,131072 --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=5528 /prefetch:1
                          3⤵
                            PID:3732
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2076,14640341848029947894,1071121887729062691,131072 --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=5488 /prefetch:2
                            3⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:4316
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:5076
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:5028

                          Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                settings.dat

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                • Size 152B
                                • SHA256 467b8cd4aacac66557712f9843023dcedefcc26efc746f3e44157bc8dac73812
                                • MD5 SHA1 SHA512

                                settings.dat

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                • Size 152B
                                • SHA256 d86eec91f295dfda8ed1c5fa99de426f2fe359282c7ebf67e3a40be739475d73
                                • MD5 SHA1 SHA512

                                the-real-index

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                • Size 192B
                                • SHA256 14904cf6f4a2f67f91aff0454943fa3bcbd35391e7b44932a0078f2715467f9c
                                • MD5 SHA1 SHA512

                                Network Persistent State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
                                • Size 111B
                                • SHA256 aa10bf07b0d265bed28f2a475f3564d8ddb5e4d4ffee0ab6f3a0cc564907b631
                                • MD5 SHA1 SHA512

                                Network Persistent State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
                                • Size 1KB
                                • SHA256 6caf0b5bbc3af4a22496e3a0c2a8c97ea43fbc64b50de5d997282cfb716f41e1
                                • MD5 SHA1 SHA512

                                Preferences

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                • Size 5KB
                                • SHA256 e59db88d90a5e8a76c13f03a9303b8b4760d802ba04f8e6e9319ea5a7e8178f2
                                • MD5 SHA1 SHA512 SSDEEP

                                Preferences

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                • Size 6KB
                                • SHA256 a4d77b7325b5f1b604f53b3558d452e2b7fa0acf34de4d0d329d577e424731b6
                                • MD5 SHA1 SHA512 SSDEEP

                                Preferences

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                • Size 6KB
                                • SHA256 e0c88006021565ded33203719840f71572935d3102f32d3d7321f66f52cbe395
                                • MD5 SHA1 SHA512 SSDEEP

                                TransportSecurity

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity
                                • Size 371B
                                • SHA256 fe3aec67b623b6f6aa3018fc2a6282c672a50716e857c5c7044bfcab9f9046e3
                                • MD5 SHA1 SHA512

                                TransportSecurity~RFe599503.TMP

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity~RFe599503.TMP
                                • Size 371B
                                • SHA256 d29ad04a42aa2dbdebdb8d9e653f9347feefda3d77f0ddda8fce601bde8e7cc1
                                • MD5 SHA1 SHA512

                                CURRENT

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                • Size 16B
                                • SHA256 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
                                • MD5 SHA1 SHA512

                                Local State

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                • Size 10KB
                                • SHA256 976f1f3746e51577f007e0f1c389de964e99754fb968e8945b6afb7fd7dd00aa
                                • MD5 SHA1 SHA512 SSDEEP