Analysis

  • max time kernel
    240s
  • max time network
    236s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/01/2024, 16:38

General

  • Target

    https://downlon.com/oWebsterSearch/addExtensionLP/?p=3501&ver=399&a=lp.owebsearch.com

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://downlon.com/oWebsterSearch/addExtensionLP/?p=3501&ver=399&a=lp.owebsearch.com
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4412
    • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ff8d2a79758,0x7ff8d2a79768,0x7ff8d2a79778
      2⤵
        PID:2692
      • 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=1648 --field-trial-handle=1824,i,9259072724547916556,5299608499232463324,131072 /prefetch:2
        2⤵
          PID:4876
        • 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=2152 --field-trial-handle=1824,i,9259072724547916556,5299608499232463324,131072 /prefetch:8
          2⤵
            PID:5048
          • 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=2208 --field-trial-handle=1824,i,9259072724547916556,5299608499232463324,131072 /prefetch:8
            2⤵
              PID:2536
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2924 --field-trial-handle=1824,i,9259072724547916556,5299608499232463324,131072 /prefetch:1
              2⤵
                PID:2220
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=2916 --field-trial-handle=1824,i,9259072724547916556,5299608499232463324,131072 /prefetch:1
                2⤵
                  PID:4204
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5464 --field-trial-handle=1824,i,9259072724547916556,5299608499232463324,131072 /prefetch:8
                  2⤵
                    PID:1308
                  • 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=4780 --field-trial-handle=1824,i,9259072724547916556,5299608499232463324,131072 /prefetch:8
                    2⤵
                      PID:1548
                    • 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=4736 --field-trial-handle=1824,i,9259072724547916556,5299608499232463324,131072 /prefetch:8
                      2⤵
                        PID:2724
                      • 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=4944 --field-trial-handle=1824,i,9259072724547916556,5299608499232463324,131072 /prefetch:8
                        2⤵
                          PID:1384
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=5020 --field-trial-handle=1824,i,9259072724547916556,5299608499232463324,131072 /prefetch:1
                          2⤵
                            PID:4628
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=2188 --field-trial-handle=1824,i,9259072724547916556,5299608499232463324,131072 /prefetch:1
                            2⤵
                              PID:3240
                            • 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=4664 --field-trial-handle=1824,i,9259072724547916556,5299608499232463324,131072 /prefetch:8
                              2⤵
                                PID:424
                              • 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=4644 --field-trial-handle=1824,i,9259072724547916556,5299608499232463324,131072 /prefetch:8
                                2⤵
                                  PID:2712
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --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=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2316 --field-trial-handle=1824,i,9259072724547916556,5299608499232463324,131072 /prefetch:2
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:1972
                              • 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:3236

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                                  Filesize

                                  1KB

                                  MD5

                                  02e1dc5d7792694fca453692a6c1089c

                                  SHA1

                                  7d52ad67de074507e5c8e6d88adeff8166af58a9

                                  SHA256

                                  a9910cc87288b3cdafb306b2c14f97edbd09f8a62ace6b908fc641ea1fc4632d

                                  SHA512

                                  c57b4586264de73a85019461d4d958f0827c30205ab624882537fc8b3dc97fb6c3d1e01204dc27aba0ebb62dfae6af627cf6a93ae2ba58748767a0ba9045630d

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                                  Filesize

                                  2KB

                                  MD5

                                  6f6cdc00cff871e3b7940710d2b5eaac

                                  SHA1

                                  697eb99b35a0270ce0e2a41323be05217c1326e0

                                  SHA256

                                  6ad3cf77defa9b922f2d59217b4bd8d50ed6a38c3476db09137bb031f5413378

                                  SHA512

                                  a4585931c2b71d3997cdbbf503dea1fa445c5877cf544a7db841b81dbfd4b8cf843e613bec2877f4bbece1936f0e6ba50dc1a9f38abb85bae30f1ed00611083a

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

                                  Filesize

                                  371B

                                  MD5

                                  ae440e93c15368fc8d9a104b9e2d4719

                                  SHA1

                                  503e15529b19862cea1a335e43a43e1196cb2e6d

                                  SHA256

                                  071bf8b57f64203a46fee300fbe32181c1e9c0191d062d3f0fd5501d5edd3704

                                  SHA512

                                  5929d397a21e45bb23f6f3a0e2296c5bfb87b28ea5146cbd08a74ee9b4cdb16c7594a185a9d0a88b5454b377e68c139019c6bcefacbbcc6336a80c2ce2b793a8

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

                                  Filesize

                                  6KB

                                  MD5

                                  94db3d5ce2279692ab967f16a6b90725

                                  SHA1

                                  97af0a69ba25204c95889a8fd65579cfc4c305ae

                                  SHA256

                                  38f60c1da39ace90d61ecc0819671f3e731fbb9abe245eafd7f477d62112eac0

                                  SHA512

                                  bebad2a31d7067411db98e59b0458aaa08fd5b87b821c759799c9afd50bb045ac3661846aca8de8a923da2ed07a6a68066d305c1dd97020b586dbc7864d903e3

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

                                  Filesize

                                  6KB

                                  MD5

                                  93e9803f5562c9f7dbac534bf52939b7

                                  SHA1

                                  d5f9852ae8290bb760eedec10af21780f12bf531

                                  SHA256

                                  0354ce744b85056fdd0ba7d86437ba2d369f805bc74b54534e52b43f78c98cd5

                                  SHA512

                                  747b4d101609994d263f88ee1335d604b4b6b390cf1a8ab6796055423c31361f14aa70f6a1627ea605cb89539d4e23cd59bf0286d4fc2c60601ce6c3fec6b035

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

                                  Filesize

                                  6KB

                                  MD5

                                  f9358772b7f49819fabecbccda0c8e75

                                  SHA1

                                  02377dc078b2066238c19a8a4425bd91695f5542

                                  SHA256

                                  2991bf9cf55bfd0c8dfa2e8a6eba33c7d96483f26a481a1e9f0add8c7ba8642e

                                  SHA512

                                  b6122d97cc6463c4b1b7e9384ba625d69d354f601659b187c83796532991a86e6d50745f2eb42168201ae404d2d8e1e0501437a2051295882bde9cd833f92567

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

                                  Filesize

                                  116KB

                                  MD5

                                  db066060536933e5b87a6ea19a0f0e5d

                                  SHA1

                                  a2700ae06dc18a384ef1bcbe8c049adbb522f193

                                  SHA256

                                  17927824c11ed6006b1b2e47f8d987082e3832a77d1034a6b270ff81850554bc

                                  SHA512

                                  1539bc9ed04f245d4c7e0628e08da6e0d1f809be1b47bbfdb9a2ff49972166d66458f1d7eb3e1bf98751091ee703950928bb1461b8e46c87349df16883a4c616

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

                                  Filesize

                                  115KB

                                  MD5

                                  fbe49f9f8be0b22ff6e5ee21c8ce7ea2

                                  SHA1

                                  07cc52364632c1611f42345e815062014ed70685

                                  SHA256

                                  9cbadd975825290bfbc02b32c658da1372fdb8cddce02f608cb7c5904ea6b047

                                  SHA512

                                  140d2b6b9291e2f405552aaf49459232214d334593c00a6592e2aea309d8bab8b9a553fbf38d46630723973d2eae67ad7fe64ba3b54cf9b36fd6ad306ae884ea

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

                                  Filesize

                                  115KB

                                  MD5

                                  2323b484ada6af1800cdcb509b44fa63

                                  SHA1

                                  2a62c907cc8421511a22e55b1dd4dd603f1ccc2e

                                  SHA256

                                  9a213e52205b671d96a27d1c55001b609a288d8ad34e872212e242f7d7247c3c

                                  SHA512

                                  fcc07ed856d0a2a1f0db52a1673d6b4ac702c28c2ef1d723be45dbe65ff0a501070b13a5cd024de5fa8829e4b46731598565033f2e6956870716e65df0999f72

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

                                  Filesize

                                  179KB

                                  MD5

                                  eaddb59da673e28dde33333c73dac8f1

                                  SHA1

                                  7eae16dc57690ae6b0c999203bfad8c4077d310d

                                  SHA256

                                  32d62efcf11922b6206104d15e2f0ddc655316779ac8f327effb2e400aa6012f

                                  SHA512

                                  98a6529e4f0f4bd6c12eedd2ac8d3c3b43fba02b9e77d1ce086920b9c780a9a98dd6feec2a9d1178e16d4b501db082f046c1892de5fb540ce7e3092deafe614b

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

                                  Filesize

                                  2B

                                  MD5

                                  99914b932bd37a50b983c5e7c90ae93b

                                  SHA1

                                  bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                  SHA256

                                  44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                  SHA512

                                  27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd