Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2024 02:25

General

  • Target

    https://aka.ms/krs?id=-crYd9Lj

Malware Config

Signatures

  • Detected potential entity reuse from brand MICROSOFT.
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://aka.ms/krs?id=-crYd9Lj
    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:5080
    • 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:4 --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=123.0.6312.123 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffcd707cc40,0x7ffcd707cc4c,0x7ffcd707cc58
      2⤵
        PID:4848
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1912,i,15845544535109583527,5547324286360879302,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1904 /prefetch:2
        2⤵
          PID:936
        • 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 --no-appcompat-clear --field-trial-handle=2160,i,15845544535109583527,5547324286360879302,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2172 /prefetch:3
          2⤵
            PID:436
          • 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=service --no-appcompat-clear --field-trial-handle=2244,i,15845544535109583527,5547324286360879302,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2596 /prefetch:8
            2⤵
              PID:5052
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3148,i,15845544535109583527,5547324286360879302,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3176 /prefetch:1
              2⤵
                PID:3620
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3164,i,15845544535109583527,5547324286360879302,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3340 /prefetch:1
                2⤵
                  PID:324
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4400,i,15845544535109583527,5547324286360879302,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4508 /prefetch:1
                  2⤵
                    PID:1232
                  • 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 --no-appcompat-clear --field-trial-handle=4636,i,15845544535109583527,5547324286360879302,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3532 /prefetch:8
                    2⤵
                      PID:2332
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --field-trial-handle=4848,i,15845544535109583527,5547324286360879302,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4360 /prefetch:1
                      2⤵
                        PID:1572
                      • 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 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=5080,i,15845544535109583527,5547324286360879302,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1044 /prefetch:8
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:3336
                    • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                      1⤵
                        PID:3432
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                        1⤵
                          PID:2444

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

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

                          Filesize

                          649B

                          MD5

                          56441621ee2fe86e21818becc031f8fd

                          SHA1

                          4e2ba7b93504ead13e35fdbe44acc8911694bca8

                          SHA256

                          cb6f0cfdb15b6d3b8e725d3a1f448903c58efc32120f8387c3888e04159d6b96

                          SHA512

                          a109e5f6b15f087c60aa704850628d66b7b75ac6569a6395306147a604c3d5a361a5f1437b3803afe5ab8b0d8223b754024d681cb681ce68de914dc354c60591

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_00001a

                          Filesize

                          215KB

                          MD5

                          2be38925751dc3580e84c3af3a87f98d

                          SHA1

                          8a390d24e6588bef5da1d3db713784c11ca58921

                          SHA256

                          1412046f2516b688d644ff26b6c7ef2275b6c8f132eb809bd32e118208a4ec1b

                          SHA512

                          1341ffc84f16c1247eb0e9baacd26a70c6b9ee904bc2861e55b092263613c0f09072efd174b3e649a347ef3192ae92d7807cc4f5782f8fd07389703d75c4c4e2

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

                          Filesize

                          528B

                          MD5

                          f51e43160de969a30070cc9000819830

                          SHA1

                          15543b8c9df609dc5d56703ad29362e482b8d9f8

                          SHA256

                          0638a2892040c1de596cb4c6ef63bdc6e957c82352c71897d39824e3c44b7738

                          SHA512

                          351d5dbf34ece182c7f8890bcbf81ee5eca188e0cb660a517abdff4616369284e72f18494893a19b5fd9f025ae1a18497cdb65ea1604645949d4851f653ae802

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

                          Filesize

                          4KB

                          MD5

                          6749764ab141b8b486d38ba3956f7dcb

                          SHA1

                          ba032081059f676c4c218f70c26ac9738f06be05

                          SHA256

                          5a41099221f164c95bbd264002a28eacf172eedf112e8794cf0d69144b48d90c

                          SHA512

                          6730d1fad58d517e05911d3f3621cc826cb6653a8adb85073ae778e979c64b70eed3147bedfbb2345199cbea75e1746e56a722db07cb60f4b134fc77f0e86130

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

                          Filesize

                          2KB

                          MD5

                          3ec162128489f0dc239fa2afeef7de21

                          SHA1

                          09c8ed971b1f81d5594f2a3c14ebf03fde5fb005

                          SHA256

                          00e6656cac83fb58463fbe31751b35ab5e69b077eea13569421c0e413ab5e387

                          SHA512

                          22e0cbd9a706c0507ec2d87d820bc81e8300dd766c2a9589ffa86ac96ebdc8d61f72c7b776769dd1dc91ebb8e3d4c55b3aa390a577b93c91433555a91b5d0e82

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                          Filesize

                          2B

                          MD5

                          d751713988987e9331980363e24189ce

                          SHA1

                          97d170e1550eee4afc0af065b78cda302a97674c

                          SHA256

                          4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                          SHA512

                          b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

                          Filesize

                          1KB

                          MD5

                          72de487dd9f2f55faf6389843af6a5c4

                          SHA1

                          97201482f1473d65dba7eee54d59d3b01e4415e4

                          SHA256

                          4083201da7bf73415db813b4a68bad7c84378c2f7b550484f80ef3418085ef89

                          SHA512

                          2d73ee6e2d95c15d0ca2942275aad59c7cb280345bbce4d44957a12f47010b91c38e44ac1ae32fd814844774910f980fbcb1de406ef79a9e586b3c1ca9655c4b

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

                          Filesize

                          1KB

                          MD5

                          b09d46331a39f16bcb1a16b55c9e361d

                          SHA1

                          d42fc35f9d9f9b2e5870d568dc0a6a975ed23efa

                          SHA256

                          0c8bdb3420ff87b0c6809172b25a3b5452de4f8be2ed3616591892c5dec62ac1

                          SHA512

                          28a346e5777d3a1af70a6e6fdb84ae808211b22d3deba87df9738347e87ed228d7d51dde725a68a70731b1d490a74b5da2d2d45ab48ac78536e09333ab830151

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

                          Filesize

                          10KB

                          MD5

                          13ebd90fe0b02e63f64c95b8a551c715

                          SHA1

                          b7c246bd9ed30ae7e70968b9114b5efba59b2aae

                          SHA256

                          18ff97294df7dc59f1f144776203bbdcc5c550a2070811062f22b0cbec173809

                          SHA512

                          cad911a4fda84fac691ba514026dc8424e7332742b93b45f3279fdc9d3103974e41321eb430311c8feeca06d1ed1edeff61ca262203fdb2672537a5516ef3866

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

                          Filesize

                          10KB

                          MD5

                          817f56514d2a2e2335e7f08a3460471e

                          SHA1

                          ff64f9d7fda6d29ad9807b9b1820ddcadf506681

                          SHA256

                          c5f85a773a6abb1883ae14e5901630e3bd091b522c0b9d5b7a304cc44867f113

                          SHA512

                          d4705441326d53decec1cfddd2004702be5ff87069381e318a77ee7687f6a756f15b14cb590f85e763566e6ae974d65ce5b49586b05db39a01e00788efd13fa2

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

                          Filesize

                          9KB

                          MD5

                          6fb0d38b5a9fd0f917576bf6a4f5a0e9

                          SHA1

                          4a04f0b05dd853640eb017df65b6585f1a66762f

                          SHA256

                          89144d4f1d115e38c09e45337ae64c0263f36d51c75060fd34e3a39145cd6ef2

                          SHA512

                          99979446d6e49ddc6ffa0139b3d0814da93d7377f02d55dc5155b287902a9b0a774cc1337be38e507ff1c60c3fb83f2b6e485eb386209aea9e01546a822e9c79

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

                          Filesize

                          9KB

                          MD5

                          79b4f0b0f1e021d6735be063f14a481d

                          SHA1

                          e2232ea9480c9c62c5d1676a08e9c5b0184b3443

                          SHA256

                          246e464f0dfad31ee3736839c59973639a5b16f3a5e0308a345df2b7830e8be5

                          SHA512

                          6189ce97b4f00875689a9e5a53130f645beb00664e9aa06f26dda4f0b17bdd598b4bf085e882f52b0cb1be9a677ba1a500f3647f29e03713b956af4fd0faec72

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

                          Filesize

                          9KB

                          MD5

                          43869b1562689cd967c7cf7e7e4010e2

                          SHA1

                          acede212ba6abd914e43006658d46a39a2050880

                          SHA256

                          379f8558d241b903a5690b8805eabcd78e233b5a8b5a344d303e7ddbb1605fa7

                          SHA512

                          d4bb50d5945a709992aed21dd3db6a723590906e6060ffdb74baa2f1ae4b70f29157b17d81c6821e6d17deb9b91aa2f603c00ab27182aeb36f862ca7d56f40d9

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

                          Filesize

                          9KB

                          MD5

                          ea5891d9597378a064fa9d63a01af22c

                          SHA1

                          c488273e03d55a8bc0176f10bda2e6ea35f68720

                          SHA256

                          e4dfa5fa8e9683fe7284371e1228e73fc42b1e40637ef1bee4998d11104ec9fc

                          SHA512

                          1620f94c089a3131148e4139cab3523e317a150b3fc71c26dd61105103c1b0cd9b449ba907d177e07b2ea2f8804eb30234ed6cace563d418cfb12fa412b64f3d

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

                          Filesize

                          116KB

                          MD5

                          30bc6fbe02307f27808446c9f5328ac1

                          SHA1

                          a2baa83f03018e2e1315a6d062400336f71a72bd

                          SHA256

                          d54ba2d907531fc5a8f000ea4a56fc6a869dae5607bfb29e3cc0d838c6c8b360

                          SHA512

                          b1682bf0f4ae8e6a427025393ce9a1074f6f2d1a37857977e6fa652c4221f5704ed8d60d2298d9edac502a3e578907ebea3de9f9b8851469b148d2994d8d8f9e

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

                          Filesize

                          116KB

                          MD5

                          8ffd796e25da51db7a1d7b6d4ffcd5d3

                          SHA1

                          a199d5cb1ba074e937bbed1f0fb3d45db13d8482

                          SHA256

                          b9b82c3ae14ffa6be8cf32ea429893fc8aa8fe265a7577c4c81eb64e000fe289

                          SHA512

                          f68e81b164cd02b42c9f3c4fba897577ead1c82c8925668c4fca39b61b35f2f56101d5f671407198c315d8fd264ecf0c155e4fea3711cafd972f05612ab5569e