Analysis

  • max time kernel
    51s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    16-10-2023 15:44

General

  • Target

    sidekick-win-installer-34426.exe

  • Size

    328KB

  • MD5

    ece86b7cc20233c01d38df7a1a93daff

  • SHA1

    de93f7d742c6c94da8ce8e700d2ee25520c6ee9f

  • SHA256

    52cb8761856ce29433d6e455ef29da70d3d7a51ff4b28f5a0a1c332655891f0f

  • SHA512

    7df133a06ad197ccc6edc3fde36de00421277c7920c8d436ca5d01680aa14dbdb1c48eedf3751268574b5093efef887f3ae618f94352dda09ca0f1d7f763390d

  • SSDEEP

    6144:0Ya6XC5Wp3+7W98/MavNNM6RYRN3BXFULW+CgD0tNYF6m0qC:0Y/p3+7W8/HNNZi7l+kDYF6mM

Score
4/10

Malware Config

Signatures

  • Drops file in Program Files directory 6 IoCs
  • Loads dropped DLL 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sidekick-win-installer-34426.exe
    "C:\Users\Admin\AppData\Local\Temp\sidekick-win-installer-34426.exe"
    1⤵
    • Drops file in Program Files directory
    • Loads dropped DLL
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2188
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef74b9758,0x7fef74b9768,0x7fef74b9778
      2⤵
        PID:1096
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1092 --field-trial-handle=1196,i,14459888190133124267,8253352944131488648,131072 /prefetch:2
        2⤵
          PID:2268
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1520 --field-trial-handle=1196,i,14459888190133124267,8253352944131488648,131072 /prefetch:8
          2⤵
            PID:2092
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1596 --field-trial-handle=1196,i,14459888190133124267,8253352944131488648,131072 /prefetch:8
            2⤵
              PID:1500
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2252 --field-trial-handle=1196,i,14459888190133124267,8253352944131488648,131072 /prefetch:1
              2⤵
                PID:476
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2244 --field-trial-handle=1196,i,14459888190133124267,8253352944131488648,131072 /prefetch:1
                2⤵
                  PID:528
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1252 --field-trial-handle=1196,i,14459888190133124267,8253352944131488648,131072 /prefetch:2
                  2⤵
                    PID:2244
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1428 --field-trial-handle=1196,i,14459888190133124267,8253352944131488648,131072 /prefetch:1
                    2⤵
                      PID:1820
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3540 --field-trial-handle=1196,i,14459888190133124267,8253352944131488648,131072 /prefetch:8
                      2⤵
                        PID:1688
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3440 --field-trial-handle=1196,i,14459888190133124267,8253352944131488648,131072 /prefetch:8
                        2⤵
                          PID:1612
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3704 --field-trial-handle=1196,i,14459888190133124267,8253352944131488648,131072 /prefetch:8
                          2⤵
                            PID:2560
                        • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                          "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                          1⤵
                            PID:624

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extension State\000007.dbtmp

                            Filesize

                            16B

                            MD5

                            18e723571b00fb1694a3bad6c78e4054

                            SHA1

                            afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                            SHA256

                            8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                            SHA512

                            43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                            Filesize

                            264KB

                            MD5

                            f50f89a0a91564d0b8a211f8921aa7de

                            SHA1

                            112403a17dd69d5b9018b8cede023cb3b54eab7d

                            SHA256

                            b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                            SHA512

                            bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                            Filesize

                            4KB

                            MD5

                            e0ea88558892425b7fc6fffa8f4a1f76

                            SHA1

                            9ca288fa5b07e0ac08b597c521e1f385e41620bf

                            SHA256

                            6b2a6c16849782a30292974db91680be6b0e8187215e6d5489fa47095a2aa0f3

                            SHA512

                            b3819575634c6aee87b518073835cdd5a6c58734f058b1472f02262d1197492fd2e8c22fe5906e80bca59968fb3a6cdb28ba8249b42fa8fb9597babc274aa649

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                            Filesize

                            4KB

                            MD5

                            bf4536188b2f68afd4cf6ef8e96daeb4

                            SHA1

                            0a11d48d8aeaa0642d413ede17b6ada5881484c3

                            SHA256

                            2a63aa712c6ac0d9cf49921e4f60a38e3cf326bac0ce29acbb16976a9a30382f

                            SHA512

                            9fbb7f9da89c8136fcddbffab1693241d0deb75be0d6370284dea86851b0c89fdf839e597ccdf498e757a39eb33bb4ee313d108edbfac372f211169baf8a2fac

                          • C:\Users\Admin\AppData\Local\Temp\Cab4968.tmp

                            Filesize

                            61KB

                            MD5

                            f3441b8572aae8801c04f3060b550443

                            SHA1

                            4ef0a35436125d6821831ef36c28ffaf196cda15

                            SHA256

                            6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

                            SHA512

                            5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

                          • C:\Users\Admin\AppData\Local\Temp\Tar49AA.tmp

                            Filesize

                            163KB

                            MD5

                            9441737383d21192400eca82fda910ec

                            SHA1

                            725e0d606a4fc9ba44aa8ffde65bed15e65367e4

                            SHA256

                            bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

                            SHA512

                            7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

                          • C:\Users\Admin\AppData\Local\Temp\nsi453C.tmp\HttpPostFile.dll

                            Filesize

                            4KB

                            MD5

                            14f58535542482e59e1fbacafb563737

                            SHA1

                            9332101d425d90eafbde3ccb27487940080a9472

                            SHA256

                            deb32afa701ba2790a4044d6144c063cbfc26bdbb191b536e229c9e6bdacbe82

                            SHA512

                            3175b4f0861e2b13309012419cdbd10a09ed54e9b26f8ad362973ae3b9d88521b9c72a6b03b11e02b0eb6ccb4421417944d8277e7b5d4d6182243b9d46b91fe5

                          • C:\Users\Admin\AppData\Local\Temp\nsi453C.tmp\InetBgDL.dll

                            Filesize

                            7KB

                            MD5

                            d4f7b4f9c296308e03a55cb0896a92fc

                            SHA1

                            63065bed300926a5b39eabf6efdf9296ed46e0cc

                            SHA256

                            6b553f94ac133d8e70fac0fcaa01217fae24f85d134d3964c1beea278191cf83

                            SHA512

                            d4acc719ae29c53845ccf4778e1d7ed67f30358af30545fc744facdb9f4e3b05d8cb7dc5e72c93895259e9882471c056395ab2e6f238310841b767d6acbcd6c1

                          • C:\Users\Admin\AppData\Local\Temp\nsi453C.tmp\System.dll

                            Filesize

                            12KB

                            MD5

                            cff85c549d536f651d4fb8387f1976f2

                            SHA1

                            d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

                            SHA256

                            8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

                            SHA512

                            531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

                          • C:\Users\Admin\AppData\Local\Temp\nsi453C.tmp\WebBrowser.dll

                            Filesize

                            93KB

                            MD5

                            dfe24aa39f009e9d98b20b7c9cc070b1

                            SHA1

                            f48e4923c95466f689e8c5408265b52437ed2701

                            SHA256

                            8ec65a3d8ae8a290a6066773e49387fd368f5697392dfb58eac1b63640e30444

                            SHA512

                            665ce32d3776b1b41f95ed685054a796d0c1938dbc237619fa6309d1b52ae3bd44e3cf0a1f53ebf88556f7603111cca6dff1bfc917a911e0a9ce04affd0d5261

                          • C:\Users\Admin\AppData\Local\Temp\nsi453C.tmp\installing.html

                            Filesize

                            1KB

                            MD5

                            fae3b355070331b9c8c1f66e95c22d9f

                            SHA1

                            5cb394ab05d6d2ce4c9ceec66d0eff466b7f3ee2

                            SHA256

                            dd5d18427c52c220a8a29b25e21ce7c35669a9446978296c2e0837f5a6f08bdf

                            SHA512

                            32605b1b4be47aceeee193c046493041b51d9993cf29f73e4595fe10d60dc6a997a0fa3eeda74fb48a5156f971b28b715bf725bc67d44d87b5052ebf6556f6ca

                          • C:\Users\Admin\AppData\Local\Temp\nsi453C.tmp\installing.js

                            Filesize

                            2KB

                            MD5

                            dfa7861bca754036ab853b3bb02b194d

                            SHA1

                            46d7c5ba614b39caa4857fcba4bdedbabb2c67c0

                            SHA256

                            2c286b6eefd38f032a385f3ac6a1f794deab3bac0fbff71bd0ba21453f477878

                            SHA512

                            c58d96fb2496a84261a5e4b18cf4156a30f9ad161bbabc3652b6b5c24976f1ac432dced31927a9443260cdca0292524d1f691766b7c0731f926d37be11fe0c64

                          • C:\Users\Admin\AppData\Local\Temp\nsi453C.tmp\installing_page.css

                            Filesize

                            1KB

                            MD5

                            8d809f324dcb3b7c458fc2fad781f0c1

                            SHA1

                            e9b38fd62b0e3061a164db4ee79545cfb775755c

                            SHA256

                            90d1fccf57930fae2b128c405b911c8300fc4697ae97e1a5e54e661f89f7ce8a

                            SHA512

                            bc4366503e7e1c033f2b01ad76361e6b3caa0a0cc751b9beafbd0d47930a3f53536e1025dd7c22007dcf113bb72db3dc4b5ddde1f694757cd33da33c91e6e250

                          • C:\Users\Admin\AppData\Local\Temp\nsi453C.tmp\nsJSON.dll

                            Filesize

                            23KB

                            MD5

                            f4d89d9a2a3e2f164aea3e93864905c9

                            SHA1

                            4d4e05ee5e4e77a0631a3dd064c171ba2e227d4a

                            SHA256

                            64b3efdf3de54e338d4db96b549a7bdb7237bb88a82a0a63aef570327a78a6fb

                            SHA512

                            dbda3fe7ca22c23d2d0f2a5d9d415a96112e2965081582c7a42c139a55c5d861a27f0bd919504de4f82c59cf7d1b97f95ed5a55e87d574635afdb7eb2d8cadf2

                          • C:\Users\Admin\AppData\Local\Temp\nsi453C.tmp\stub_common.css

                            Filesize

                            684B

                            MD5

                            544b51f11ad19df720669478d28f129d

                            SHA1

                            d238b604fd3fa37dfd552eacdc6aacc474fcddad

                            SHA256

                            4d9495b6f0e18331659993b79440e414a6e607fcdaeacbc7477e0683cc0fa98b

                            SHA512

                            bbbb0f31839316c51464cfd225166145f968ce38995dc2748df5402b7e109ff6119d65b6774fc4738638ad4c9d89776516b00ab5a700097d9d74e1824a11dc5e

                          • C:\Users\Admin\AppData\Local\Temp\nsi453C.tmp\stub_common.js

                            Filesize

                            817B

                            MD5

                            58b8ac894c64370cfa137f5848aeb88d

                            SHA1

                            6a1ac1f88a918a232b79fe798b2de69cf433945f

                            SHA256

                            0e28aa770b0afade30be85c6dc1e50344db8f8cdd3fa01989d81a9e20a4990bd

                            SHA512

                            ae309518e0f926021e4d9378950c1a375263247d4f79d8a8cc09464cd01653ae5e707d52a4b0c36d532e649c246f4be6b5ba8648f58fb0e3e40c495ae63180ab

                          • \Users\Admin\AppData\Local\Temp\nsi453C.tmp\HttpPostFile.dll

                            Filesize

                            4KB

                            MD5

                            14f58535542482e59e1fbacafb563737

                            SHA1

                            9332101d425d90eafbde3ccb27487940080a9472

                            SHA256

                            deb32afa701ba2790a4044d6144c063cbfc26bdbb191b536e229c9e6bdacbe82

                            SHA512

                            3175b4f0861e2b13309012419cdbd10a09ed54e9b26f8ad362973ae3b9d88521b9c72a6b03b11e02b0eb6ccb4421417944d8277e7b5d4d6182243b9d46b91fe5

                          • \Users\Admin\AppData\Local\Temp\nsi453C.tmp\HttpPostFile.dll

                            Filesize

                            4KB

                            MD5

                            14f58535542482e59e1fbacafb563737

                            SHA1

                            9332101d425d90eafbde3ccb27487940080a9472

                            SHA256

                            deb32afa701ba2790a4044d6144c063cbfc26bdbb191b536e229c9e6bdacbe82

                            SHA512

                            3175b4f0861e2b13309012419cdbd10a09ed54e9b26f8ad362973ae3b9d88521b9c72a6b03b11e02b0eb6ccb4421417944d8277e7b5d4d6182243b9d46b91fe5

                          • \Users\Admin\AppData\Local\Temp\nsi453C.tmp\HttpPostFile.dll

                            Filesize

                            4KB

                            MD5

                            14f58535542482e59e1fbacafb563737

                            SHA1

                            9332101d425d90eafbde3ccb27487940080a9472

                            SHA256

                            deb32afa701ba2790a4044d6144c063cbfc26bdbb191b536e229c9e6bdacbe82

                            SHA512

                            3175b4f0861e2b13309012419cdbd10a09ed54e9b26f8ad362973ae3b9d88521b9c72a6b03b11e02b0eb6ccb4421417944d8277e7b5d4d6182243b9d46b91fe5

                          • \Users\Admin\AppData\Local\Temp\nsi453C.tmp\InetBgDL.dll

                            Filesize

                            7KB

                            MD5

                            d4f7b4f9c296308e03a55cb0896a92fc

                            SHA1

                            63065bed300926a5b39eabf6efdf9296ed46e0cc

                            SHA256

                            6b553f94ac133d8e70fac0fcaa01217fae24f85d134d3964c1beea278191cf83

                            SHA512

                            d4acc719ae29c53845ccf4778e1d7ed67f30358af30545fc744facdb9f4e3b05d8cb7dc5e72c93895259e9882471c056395ab2e6f238310841b767d6acbcd6c1

                          • \Users\Admin\AppData\Local\Temp\nsi453C.tmp\System.dll

                            Filesize

                            12KB

                            MD5

                            cff85c549d536f651d4fb8387f1976f2

                            SHA1

                            d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

                            SHA256

                            8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

                            SHA512

                            531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

                          • \Users\Admin\AppData\Local\Temp\nsi453C.tmp\WebBrowser.dll

                            Filesize

                            93KB

                            MD5

                            dfe24aa39f009e9d98b20b7c9cc070b1

                            SHA1

                            f48e4923c95466f689e8c5408265b52437ed2701

                            SHA256

                            8ec65a3d8ae8a290a6066773e49387fd368f5697392dfb58eac1b63640e30444

                            SHA512

                            665ce32d3776b1b41f95ed685054a796d0c1938dbc237619fa6309d1b52ae3bd44e3cf0a1f53ebf88556f7603111cca6dff1bfc917a911e0a9ce04affd0d5261

                          • \Users\Admin\AppData\Local\Temp\nsi453C.tmp\nsJSON.dll

                            Filesize

                            23KB

                            MD5

                            f4d89d9a2a3e2f164aea3e93864905c9

                            SHA1

                            4d4e05ee5e4e77a0631a3dd064c171ba2e227d4a

                            SHA256

                            64b3efdf3de54e338d4db96b549a7bdb7237bb88a82a0a63aef570327a78a6fb

                            SHA512

                            dbda3fe7ca22c23d2d0f2a5d9d415a96112e2965081582c7a42c139a55c5d861a27f0bd919504de4f82c59cf7d1b97f95ed5a55e87d574635afdb7eb2d8cadf2