Analysis

  • max time kernel
    146s
  • max time network
    145s
  • 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, 01:16

General

  • Target

    rscat/Readme.url

  • Size

    114B

  • MD5

    00eeb7731c891506ac7fa78ca9bbc941

  • SHA1

    ce863a5167b5d3a758379bb252e065b2ed0e74e4

  • SHA256

    d450bb047084a7cd8e3995a6099b45d7bf9b17f954793c167de27747c0b2f35f

  • SHA512

    3b3732f1e1f76d86871ded79e67275e69de79f8a9b4d3c5c7e2cf8f7507b99b8436293805ff857f7027b34ba1ba1e6f11c6cc21bde5e13b42006a8cc006fe81e

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 9 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\rscat\Readme.url
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4584
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.bloggeraz.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:3060
      • 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,0x120,0x124,0xf8,0x128,0x7fff06ba46f8,0x7fff06ba4708,0x7fff06ba4718
        3⤵
          PID:2544
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2056,14928148372010394749,11862450025570937138,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2060 /prefetch:2
          3⤵
            PID:1868
          • 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=2056,14928148372010394749,11862450025570937138,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2132 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:404
          • 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=2056,14928148372010394749,11862450025570937138,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2852 /prefetch:8
            3⤵
              PID:1472
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,14928148372010394749,11862450025570937138,131072 --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=3276 /prefetch:1
              3⤵
                PID:5092
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,14928148372010394749,11862450025570937138,131072 --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=3284 /prefetch:1
                3⤵
                  PID:648
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,14928148372010394749,11862450025570937138,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4700 /prefetch:1
                  3⤵
                    PID:1648
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,14928148372010394749,11862450025570937138,131072 --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=4136 /prefetch:1
                    3⤵
                      PID:4620
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,14928148372010394749,11862450025570937138,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5012 /prefetch:1
                      3⤵
                        PID:5044
                      • 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=2056,14928148372010394749,11862450025570937138,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5856 /prefetch:8
                        3⤵
                          PID:2752
                        • 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=2056,14928148372010394749,11862450025570937138,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5856 /prefetch:8
                          3⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:1612
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,14928148372010394749,11862450025570937138,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5900 /prefetch:1
                          3⤵
                            PID:1736
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,14928148372010394749,11862450025570937138,131072 --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=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5968 /prefetch:1
                            3⤵
                              PID:3676
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,14928148372010394749,11862450025570937138,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5928 /prefetch:1
                              3⤵
                                PID:5284
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,14928148372010394749,11862450025570937138,131072 --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=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5988 /prefetch:1
                                3⤵
                                  PID:5292
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2056,14928148372010394749,11862450025570937138,131072 --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=5392 /prefetch:2
                                  3⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:4428
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:1200
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:3680
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:3616

                                  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

                                          b8880802fc2bb880a7a869faa01315b0

                                          SHA1

                                          51d1a3fa2c272f094515675d82150bfce08ee8d3

                                          SHA256

                                          467b8cd4aacac66557712f9843023dcedefcc26efc746f3e44157bc8dac73812

                                          SHA512

                                          e1c6dba2579357ba70de58968b167d2c529534d24bff70568144270c48ac18a48ee2af2d58d78ae741e5a36958fa78a57955bd2456f1df00b781fc1002e123d2

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

                                          Filesize

                                          152B

                                          MD5

                                          ba6ef346187b40694d493da98d5da979

                                          SHA1

                                          643c15bec043f8673943885199bb06cd1652ee37

                                          SHA256

                                          d86eec91f295dfda8ed1c5fa99de426f2fe359282c7ebf67e3a40be739475d73

                                          SHA512

                                          2e6cc97330be8868d4b9c53be7e12c558f6eb1ac2c4080a611ba6c43561d0c5bb4791b8a11a8c2371599f0ba73ed1d9a7a2ea6dee2ae6a080f1912e0cb1f656c

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

                                          Filesize

                                          768B

                                          MD5

                                          b8c5cd9861fb4692b068c4d2cac833c7

                                          SHA1

                                          597f2707ac271861346795decb49d2fb06cdc902

                                          SHA256

                                          8d0fa08674fa54849bef420ee51dbdd3340f94a2dfd7002fe0e7f52c459ce02f

                                          SHA512

                                          7b4d02549ecbd428e53153aad53e42582b48ae6632f3e264aff3a9c7d9f1ecd64c9b5a4358643890dafdb4d4cf066fe751d7e71356c98940ef9413d446105fcd

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

                                          Filesize

                                          1KB

                                          MD5

                                          4bfdd2a95c8b685becd9d6edec8a029f

                                          SHA1

                                          22668f9fdfb7746edbc13661e4d6539837d1e069

                                          SHA256

                                          8ad4cc6341ee1c243a8bf038cbfdc66145949fba39f2e45e25fe67452fc0d089

                                          SHA512

                                          c9f44c7c1c6b4be8a1a71f181b861a8544377469140885a4953fb68ced9d14566433b5c7431483599f42113d49c5dacbd123e212eb2fdb5a91a627dd6b976f0a

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

                                          Filesize

                                          1KB

                                          MD5

                                          6bd0836ca123da1f3bfc55aa675ef802

                                          SHA1

                                          95eeb6639716fbdfbd0901a4f87c9d644299c49e

                                          SHA256

                                          d24d60cd158ed21c9de8ee1be913faec2c541302dff5a5e2b5abf82582d229d6

                                          SHA512

                                          28aadb663155e60466359a5810aa15513302e866f10f8d0d1854c10f38b38db7f923ede9d66c2a690482faca1935e445f623c23e69475bbbcf9414970dab74e6

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

                                          Filesize

                                          5KB

                                          MD5

                                          59a847c31e66e0b02eee8e7ef74b0ecb

                                          SHA1

                                          d8b262f2b1558925304d7006c00fa85e5e040d05

                                          SHA256

                                          1c403762c9a6da0de66208845a7c615d4d4c6f6c2f05eecadcd62d0ff878bfde

                                          SHA512

                                          70c10c83bd9e5e353d48986cd6fc48980598f52ec6b551e24576c30226eed1315b00a9ceb2e4a6a11d83fed671205b3eeb19dec7fda0c6da2a2971947ac8765f

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

                                          Filesize

                                          7KB

                                          MD5

                                          532f32754798ae48218ef5e31a7e6d75

                                          SHA1

                                          05b74313be06cb4517f9040d1ca9430bbd33b126

                                          SHA256

                                          912a42169f6545015b7dc63e6839222766de3a6d8b1a202c6ecc04c5c3f32e68

                                          SHA512

                                          e92e2a2a5b94142c2c8737e1a2959edf949ff20bc23ff733ea80fa9c72549dd4478311e7fab6b01fc055f61ae84ccd16e19a63a67b08d4956873c300bfad998f

                                        • 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\cba4d844-8886-4cee-9eff-1a30113ab4a5.tmp

                                          Filesize

                                          11KB

                                          MD5

                                          02186577d660478bba3d8999f5ed5ceb

                                          SHA1

                                          a60eb372e81df0425e7874e7377722dd93c4ef98

                                          SHA256

                                          eedfab87c0b8804caa37ae9e1a1e4b6d5df8a0e89e4205f6425ab8134f985a56

                                          SHA512

                                          403a2d4f1388ef3592b492a9b5e583bf5cada4fa07aa81795ed15d5987675c8fd55b9d5951f77efc4c573c2cc4eb080bdb566014be28f63a655ba556237a0b76