Analysis

  • max time kernel
    1800s
  • max time network
    1684s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/05/2024, 18:01

General

  • Target

    https://openguessr.netlify.app/

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 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 https://openguessr.netlify.app/
    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:1100
    • 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,0x100,0x104,0xd8,0x108,0x7fff371246f8,0x7fff37124708,0x7fff37124718
      2⤵
        PID:1664
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,16241974879039396527,16200009766036374920,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2124 /prefetch:2
        2⤵
          PID:2024
        • 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=2108,16241974879039396527,16200009766036374920,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2256 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4752
        • 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=2108,16241974879039396527,16200009766036374920,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2632 /prefetch:8
          2⤵
            PID:748
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,16241974879039396527,16200009766036374920,131072 --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=3308 /prefetch:1
            2⤵
              PID:4436
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,16241974879039396527,16200009766036374920,131072 --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=3328 /prefetch:1
              2⤵
                PID:5048
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,16241974879039396527,16200009766036374920,131072 --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=4772 /prefetch:1
                2⤵
                  PID:4676
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,16241974879039396527,16200009766036374920,131072 --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=5456 /prefetch:1
                  2⤵
                    PID:4936
                  • 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=2108,16241974879039396527,16200009766036374920,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6016 /prefetch:8
                    2⤵
                      PID:3220
                    • 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=2108,16241974879039396527,16200009766036374920,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6016 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:4684
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,16241974879039396527,16200009766036374920,131072 --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=6080 /prefetch:1
                      2⤵
                        PID:4476
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,16241974879039396527,16200009766036374920,131072 --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=5724 /prefetch:1
                        2⤵
                          PID:2712
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,16241974879039396527,16200009766036374920,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6212 /prefetch:1
                          2⤵
                            PID:3228
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,16241974879039396527,16200009766036374920,131072 --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=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6164 /prefetch:1
                            2⤵
                              PID:1056
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,16241974879039396527,16200009766036374920,131072 --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=1716 /prefetch:2
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:3240
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:680
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:5008

                              Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E0F5C59F9FA661F6F4C50B87FEF3A15A

                                      Filesize

                                      893B

                                      MD5

                                      d4ae187b4574036c2d76b6df8a8c1a30

                                      SHA1

                                      b06f409fa14bab33cbaf4a37811b8740b624d9e5

                                      SHA256

                                      a2ce3a0fa7d2a833d1801e01ec48e35b70d84f3467cc9f8fab370386e13879c7

                                      SHA512

                                      1f44a360e8bb8ada22bc5bfe001f1babb4e72005a46bc2a94c33c4bd149ff256cce6f35d65ca4f7fc2a5b9e15494155449830d2809c8cf218d0b9196ec646b0c

                                    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E0F5C59F9FA661F6F4C50B87FEF3A15A

                                      Filesize

                                      252B

                                      MD5

                                      cbd7f9cacc2af842f19ed5e8b0675391

                                      SHA1

                                      f40d67396f83c92ee2aff526521284f548fc0909

                                      SHA256

                                      7d7a61c6ba92a2d018e2ec0234640e2809b092b33c604f155b74069dbada15d6

                                      SHA512

                                      eec6da7b96304b3ae31e1ffafe6b5d6e1b34033836e36126739f991d429579a2c6b7f3eff558aabd6d4d513cf5d1ca240140d7a03eee83fb258dbd011fb4c339

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

                                      Filesize

                                      152B

                                      MD5

                                      c9c4c494f8fba32d95ba2125f00586a3

                                      SHA1

                                      8a600205528aef7953144f1cf6f7a5115e3611de

                                      SHA256

                                      a0ca609205813c307df9122c0c5b0967c5472755700f615b0033129cf7d6b35b

                                      SHA512

                                      9d30cea6cfc259e97b0305f8b5cd19774044fb78feedfcef2014b2947f2e6a101273bc4ad30db9cc1724e62eb441266d7df376e28ac58693f128b9cce2c7d20d

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

                                      Filesize

                                      152B

                                      MD5

                                      4dc6fc5e708279a3310fe55d9c44743d

                                      SHA1

                                      a42e8bdf9d1c25ef3e223d59f6b1d16b095f46d2

                                      SHA256

                                      a1c5f48659d4b3af960971b3a0f433a95fee5bfafe5680a34110c68b342377d8

                                      SHA512

                                      5874b2310187f242b852fa6dcded244cc860abb2be4f6f5a6a1db8322e12e1fef8f825edc0aae75adbb7284a2cd64730650d0643b1e2bb7ead9350e50e1d8c13

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

                                      Filesize

                                      576B

                                      MD5

                                      7a1b548d01471b59cfe0c7c94523ea48

                                      SHA1

                                      a21751b7397a3c1a5c445e09d0390d795774738e

                                      SHA256

                                      51a9d2d631443f88ceaaa1d82f644ae5419730487a370e42d786287188402691

                                      SHA512

                                      ce4789f1458d98b694784f0602f4ce458207d8c5684628f3b0158332b4dc386086e57626fdd1d241e1901a7b69f11d8a0f123b5aee2e953eff05fce4d6d9f658

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

                                      Filesize

                                      2KB

                                      MD5

                                      1162b2f7d8d98388df06c15de00097c7

                                      SHA1

                                      767b67c496c1b5bba611172f6401d771145a3916

                                      SHA256

                                      c6445c3e538f57bf1d6ab528a4a90502827d97ea14ea7aca7cc2a7fe52b20c26

                                      SHA512

                                      9560bc8a4cbb0286651d2acdbab3e9566635b994f8959267a7f9270c140bc35555015f03492b4471f55252cfeaab5022f769c6fde0f2a7e57f19e240f322f741

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

                                      Filesize

                                      6KB

                                      MD5

                                      52d0f5bc3b3ed041c522979633d18d6c

                                      SHA1

                                      8a69aede6edfa0a1cf5fe56991eac0d263b63ade

                                      SHA256

                                      856f1915a0221bfb8818507c5aad3efb4acac8d7ad7db4adb1adb8c03fb55d0a

                                      SHA512

                                      69fca3f795c86388c1fa8ac681dff4d75a9beb920e408ca3327c040d2708ec3e9dba4f09a827548d556a60472033230de21ce747c366fedb7cb8d30e225c9e3d

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

                                      Filesize

                                      7KB

                                      MD5

                                      07a73af8f416435925c7d474a26eb9a3

                                      SHA1

                                      5410045b6f4ff109d2c77a3d4cf118bf2ffeef75

                                      SHA256

                                      87a9cb5ae43248b6a144d37a50ee892fd6ce7c7e3f89ee707d483606eb5cc115

                                      SHA512

                                      9308382d3b56ee5f4a81611d6174659e57c7e7f0820001b95d636f895bd3b3ce4a65a80ac8e9177f0018216bf3306bb9e4772d68aae17dfe3269246bf7449431

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

                                      Filesize

                                      16B

                                      MD5

                                      46295cac801e5d4857d09837238a6394

                                      SHA1

                                      44e0fa1b517dbf802b18faf0785eeea6ac51594b

                                      SHA256

                                      0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                                      SHA512

                                      8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

                                      Filesize

                                      16B

                                      MD5

                                      206702161f94c5cd39fadd03f4014d98

                                      SHA1

                                      bd8bfc144fb5326d21bd1531523d9fb50e1b600a

                                      SHA256

                                      1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

                                      SHA512

                                      0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

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

                                      Filesize

                                      11KB

                                      MD5

                                      c54c0c70cb35ffc4efa7b8e8a5c5372b

                                      SHA1

                                      34c36e60d11beb21c58f444d5352a6686f91cc8a

                                      SHA256

                                      3543a20b6dce2f09aed5fdd93416459cd01db01c92f03b472b0b70333327eab5

                                      SHA512

                                      aa0694955a1597b687324f87a559ae64509a2b40cce29ac619102e70da0e9c76a254e62251f8f3d8eac4a170877309df656f64af631aa48c6a6b2485509e05f6