Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2024 16:56

General

  • Target

    https://mcas-proxyweb.mcas.ms/certificate-checker?login=false&originalUrl=https%3A%2F%2Furldefense.com.mcas.ms%2Fv3%2F__https%3A%2F1filesharingxls.com__%3B!!JkUDQA!OG4OKdsLCaVRSkhZ0C0ZYoQxDPpWtyVk1l1ybpM863zA4nyulnidoOcqX3cPpNuumqtyzwemoWAfYAIf1BpJias%24%3FMcasTsid%3D20893&McasCSRF=6fec532f0fdb2182b24c12148de033845d39190ccf7e0f9dfc8d712a58971e90

Malware Config

Signatures

  • Kinsing

    Kinsing is a loader written in Golang.

  • Detected potential entity reuse from brand microsoft.
  • 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://mcas-proxyweb.mcas.ms/certificate-checker?login=false&originalUrl=https%3A%2F%2Furldefense.com.mcas.ms%2Fv3%2F__https%3A%2F1filesharingxls.com__%3B!!JkUDQA!OG4OKdsLCaVRSkhZ0C0ZYoQxDPpWtyVk1l1ybpM863zA4nyulnidoOcqX3cPpNuumqtyzwemoWAfYAIf1BpJias%24%3FMcasTsid%3D20893&McasCSRF=6fec532f0fdb2182b24c12148de033845d39190ccf7e0f9dfc8d712a58971e90
    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:3592
    • 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,0x100,0x104,0xd8,0x108,0x7ffd092746f8,0x7ffd09274708,0x7ffd09274718
      2⤵
        PID:4724
      • 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=1944,1693847286279029112,11570924632183521902,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2104 /prefetch:3
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4060
      • 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=1944,1693847286279029112,11570924632183521902,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2736 /prefetch:8
        2⤵
          PID:4912
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1944,1693847286279029112,11570924632183521902,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2008 /prefetch:2
          2⤵
            PID:2076
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1944,1693847286279029112,11570924632183521902,131072 --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=3332 /prefetch:1
            2⤵
              PID:3852
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1944,1693847286279029112,11570924632183521902,131072 --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=3316 /prefetch:1
              2⤵
                PID:720
              • 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=1944,1693847286279029112,11570924632183521902,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5288 /prefetch:8
                2⤵
                  PID:1536
                • 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=1944,1693847286279029112,11570924632183521902,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5288 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:916
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1944,1693847286279029112,11570924632183521902,131072 --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=4820 /prefetch:1
                  2⤵
                    PID:2548
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1944,1693847286279029112,11570924632183521902,131072 --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=3576 /prefetch:1
                    2⤵
                      PID:2200
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1944,1693847286279029112,11570924632183521902,131072 --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=5552 /prefetch:1
                      2⤵
                        PID:4852
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1944,1693847286279029112,11570924632183521902,131072 --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=4804 /prefetch:1
                        2⤵
                          PID:2740
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1944,1693847286279029112,11570924632183521902,131072 --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=4884 /prefetch:1
                          2⤵
                            PID:4708
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1944,1693847286279029112,11570924632183521902,131072 --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=1800 /prefetch:2
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:2672
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1944,1693847286279029112,11570924632183521902,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3224 /prefetch:1
                            2⤵
                              PID:448
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:4212
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:4268

                              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

                                1386433ecc349475d39fb1e4f9e149a0

                                SHA1

                                f04f71ac77cb30f1d04fd16d42852322a8b2680f

                                SHA256

                                a7c79320a37d3516823f533e0ca73ed54fc4cdade9999b9827d06ea9f8916bbc

                                SHA512

                                fcd5449c58ead25955d01739929c42ffc89b9007bc2c8779c05271f2d053be66e05414c410738c35572ef31811aff908e7fe3dd7a9cef33c27acb308a420280e

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

                                168B

                                MD5

                                a732554bfa3ddf2ae39fa78f1fa5f7c0

                                SHA1

                                45d7788a2e497499b1ac25b09ec0aa56d4591e6d

                                SHA256

                                a5fabdd3d93998e1f5fb1338aa56188b06d087ab55813764a1736ac02ee44389

                                SHA512

                                9e9bc9d7ab2304425aab9dbc105f793ec8f454018b445ef6457961af146d0a51744d524d7ca32ed3dec6226803d52f300753ff2d84892b22bd7de16e3cd6a50b

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

                                343B

                                MD5

                                5082ed7eefcf781d664296903c780300

                                SHA1

                                847576ac061ec8a08621e77d658df3dab1d3ef26

                                SHA256

                                daa3e33e6e37402cb4775b6b40f6148a7373108a89ae5b2b21ee711e4dc93a8c

                                SHA512

                                f00b6a50bf10358672e22133bdc902ac6aef6e28a2a101dce9c0f61f3b672443b2bc077701f9966cebe2a71175116794939347ac32ade7aa2862415b35bb0e96

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

                                5KB

                                MD5

                                7a70f29e8ef34ffbbfd3e2bf59c457be

                                SHA1

                                55ee4c21f0f5a6e23c4b48bb57e82d1ef19e7771

                                SHA256

                                5c3e1d8edbe9aa4f6ecb2ade4ee264f7b19c66eefa7e4f0dc35f9577e612c7fc

                                SHA512

                                6fdf9ce10d4599b71e8f07bbad68909398e1f84d1425119b6a99ebad130683644b9e4297d767155da0b5babf06a5d6b2cbac6fb9b57ba29a77ec2bf3295f31a8

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

                                6KB

                                MD5

                                51cfe76257380021ca159406a8bb0e35

                                SHA1

                                488cba76b859dcee5ba7e86c97fc83725bfdb604

                                SHA256

                                af380ec119b1bd872db2dd4cc9cbfb52420347b19340529c22179f831beb5f65

                                SHA512

                                a56148b55e8f102bdf9edced4282c3c359a4205a6984d3b2518cb4a0c09eb5353b70ae20ec1c6176fe749e13a9321896ba05b8421c444e23f37ff61aaa823ea1

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

                                5KB

                                MD5

                                d42898c2bec088502f8ec23c14bc3b0b

                                SHA1

                                7cf8efa1538c025135a066c7a1a92b7781ead34a

                                SHA256

                                de39bbe6540822fd0cd75974840403a0a88b036cb13bea0be9651b0959e6890a

                                SHA512

                                a38094aef3b40b66a19bc7d6c4d9e407f7e8c1ca0ff2c9efca4b506a2642e3e05b7d26d408ebf606df2cd43f364641623e2f573922f5028b2850e53ada2be157

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

                                24KB

                                MD5

                                e664066e3aa135f185ed1c194b9fa1f8

                                SHA1

                                358ff3c6ad0580b8ae1e5ef2a89a4e597c2efdc5

                                SHA256

                                86e595be48dbc768a52d7ea62116036c024093e1302aced8c29dd6a2d9935617

                                SHA512

                                58710818b5f664006a5aa418da6c8cd3f709c2265bc161f81b9dfe6cdb8304fabaa4ce9deba419fe4281623feeeaa0321f481ae5855d347c6d8cf95968ee905e

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

                                372B

                                MD5

                                74eebbacd686c44e68a2c0ac6df5069a

                                SHA1

                                327cd3ffaa10c629af971d6976e4027baab16e13

                                SHA256

                                ddf529db1d84a0d1c83b1916fee5b4277dcc1d2cfda830e371b275edfe875bc0

                                SHA512

                                709b4759819774a1f9bd76024d04c4d60ce80c0be0a99414e0581a640f0c5a47fbfc3358692e7a1bb9b2a3de17fd94753f55726e71488b5ec956ca37f2e1a9e8

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

                                372B

                                MD5

                                2c289d9c367ae091a0f2aaabf8c5cc68

                                SHA1

                                72b04e51f827d50ecccb5748c8336253601b42cc

                                SHA256

                                89ef7bdfe4b4e5fa3909d53eb324cb2188dad27301d64f981a736d57e8a8f550

                                SHA512

                                e5331b8b3758d5ccb1211e5afb14160279318236d9afc713cf91b97f087554441f34e7edeeec1c4e0fd8c16a1a3e199f14551843d14bf50f29cc8c39c8710db7

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity~RFe594ced.TMP
                                Filesize

                                204B

                                MD5

                                9b51e4c9fd2efffeda75efb20464b8bc

                                SHA1

                                427224a3af113c11882bfbe860428437553751b7

                                SHA256

                                417f9fe8a91bb464aa46625fd23ee625af2b1fd0c19cb1f2cac70e3aafaef453

                                SHA512

                                54e864d9bb3ac642d4281c0e81cef9fb08f266afe8c12bc5fbf3bd1dd3cfed591d164601671bfd0e728270fd2d2761532ae5584a331fa7a34fdf26bb9bd40790

                              • 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

                                10KB

                                MD5

                                9fee39383585ff2cfbe5efdc84cefda9

                                SHA1

                                a0975578094735a31be9bb2c52115a7a4c2e6244

                                SHA256

                                7e6028d2dc108ed2befd86397ace9e7da11bb291c33ca32903acf2a55bd4dc36

                                SHA512

                                bce25fc2acc5876b1846569d01da83e4cde836843a08ab527869dc9cd938f793a9f2fb4b521f01dab3cf207fe542f8f9cece56e62253285961fd9f815447f5d1

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

                                12KB

                                MD5

                                7ac8f32034f0b2d138f5187d9ebe79fb

                                SHA1

                                eabc098be31b545c0973efba00260679013a2bd2

                                SHA256

                                d9badb8a6d133576945310dddecc0945249d4ca126e8c21e21f3f6b6ae3fe373

                                SHA512

                                d12df8a224d3b50a88d5b789123707ba3c30f6fd8a725df9a5677303171f362f1959ae5f33a68407d81274b07a0f3cd2ec20155f378a91a21441a0ffbf3947bf

                              • \??\pipe\LOCAL\crashpad_3592_UUZGGVLLTJZOPNKM
                                MD5

                                d41d8cd98f00b204e9800998ecf8427e

                                SHA1

                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                SHA256

                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                SHA512

                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e