Analysis

  • max time kernel
    1682s
  • max time network
    1804s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/03/2024, 13:46

General

  • Target

    https://download.net.ua/thekrnl/

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 https://download.net.ua/thekrnl/
    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:4772
    • 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,0x100,0x104,0xd8,0x108,0x7ffd5ed546f8,0x7ffd5ed54708,0x7ffd5ed54718
      2⤵
        PID:1188
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1872,8904883878070998076,11873340451104248517,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2232 /prefetch:2
        2⤵
          PID:2456
        • 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=1872,8904883878070998076,11873340451104248517,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2396 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4264
        • 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=1872,8904883878070998076,11873340451104248517,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2920 /prefetch:8
          2⤵
            PID:4740
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1872,8904883878070998076,11873340451104248517,131072 --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=3400 /prefetch:1
            2⤵
              PID:4044
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1872,8904883878070998076,11873340451104248517,131072 --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=3416 /prefetch:1
              2⤵
                PID:1128
              • 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=1872,8904883878070998076,11873340451104248517,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4992 /prefetch:8
                2⤵
                  PID:1636
                • 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=1872,8904883878070998076,11873340451104248517,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4992 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:3480
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1872,8904883878070998076,11873340451104248517,131072 --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=5344 /prefetch:1
                  2⤵
                    PID:2580
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1872,8904883878070998076,11873340451104248517,131072 --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=5392 /prefetch:1
                    2⤵
                      PID:4184
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1872,8904883878070998076,11873340451104248517,131072 --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=5112 /prefetch:1
                      2⤵
                        PID:5028
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1872,8904883878070998076,11873340451104248517,131072 --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=5508 /prefetch:1
                        2⤵
                          PID:3328
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1872,8904883878070998076,11873340451104248517,131072 --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=5280 /prefetch:2
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:5456
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:4036
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:1524

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

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

                            Filesize

                            152B

                            MD5

                            7c6136bc98a5aedca2ea3004e9fbe67d

                            SHA1

                            74318d997f4c9c351eef86d040bc9b085ce1ad4f

                            SHA256

                            50c3bd40caf7e9a82496a710f58804aa3536b44d57e2ee5e2af028cbebc6c2f2

                            SHA512

                            2d2fb839321c56e4cb80562e9a1daa4baf48924d635729dc5504a26462796919906f0097dd1fc7fd053394c0eea13c25219dec54ffe6e9abb6e8cb9afa66bada

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

                            Filesize

                            152B

                            MD5

                            5c6aef82e50d05ffc0cf52a6c6d69c91

                            SHA1

                            c203efe5b45b0630fee7bd364fe7d63b769e2351

                            SHA256

                            d9068cf3d04d62a9fb1cdd4c3cf7c263920159171d1b84cb49eff7cf4ed5bc32

                            SHA512

                            77ad48936e8c3ee107a121e0b2d1216723407f76872e85c36413237ca1c47b8c40038b8a6349b072bbcc6a29e27ddda77cf686fa97569f4d86531e6b2ac485ed

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

                            Filesize

                            539B

                            MD5

                            30ea7ed5cd07bcfaf1bd03910e47a957

                            SHA1

                            e0596ec8769d658cf8370bb9580523fcb69c10a8

                            SHA256

                            cfa5e6ea9eab46da3d55eef3338a5e3e248a4e728919bdb355ec94fcd5a9d39f

                            SHA512

                            d70e170ca5caef2cc91d87ad0923081a816bf23a898803fce53383c727ccecd286b2a1dce3832b9f7bd1d0c9a360ccb537f933db79c690f056a2e6677ac44524

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

                            Filesize

                            6KB

                            MD5

                            751b5bb2cfa0607184dcc25c51d893a0

                            SHA1

                            c1f1bd7d70fda58d7ac29094118ee529508920e4

                            SHA256

                            f0bd827e1d40f26d81292487e6c9c331420592fcd41a2004b4c8fc759ec61046

                            SHA512

                            73739deca9b9837c3a2fbfcda9456cd9d2c972591db5f57d87a6db7419c56a3bbb757ad232b8caad3c847114864ff604fd773ba125ebcc5a972204b6c8f05971

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

                            Filesize

                            6KB

                            MD5

                            64a421d5319185b8a6069953bbf5083e

                            SHA1

                            862f2d597b3d1b23fb41c5b16c5f1c39347b8a8f

                            SHA256

                            9af7b47816220feca2914cb82eecff3d5955afb6ea5a473be5e7d1b344fae66f

                            SHA512

                            7b5d9a48fe9fc02cb48f0f41a7a00d78cf49338219950823156f538d19285e26d4b8ddd310885fdebb73159f5b36f9e23abf60b50dd3873a3abfd386a579b4b5

                          • 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

                            11KB

                            MD5

                            d49792a18557d4f81b497d8fc78c4b13

                            SHA1

                            4d1dbcb8de16ef7eacd95698f8fe97056827f503

                            SHA256

                            c812c09f738dabaf85600fb0dca9b4e68575b35419064f6ceb36ab84331abdfe

                            SHA512

                            5cdd3c6e230fa87ba990e0dbe280c5356fb287856d0bceb39c22a78ff3e01acc8b2b777291b860e5c82dada35241d2d029f0ac1ded11c7fcf26b5458ce2ce8bd