Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20250314-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250314-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    24/03/2025, 23:14

General

  • Target

    https://191abb56.0c2d429db02ff72652d877ef.workers.dev

Malware Config

Signatures

  • Detected potential entity reuse from brand MICROSOFT. 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://191abb56.0c2d429db02ff72652d877ef.workers.dev
    1⤵
    • Drops file in Windows directory
    • Checks processor information in registry
    • 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:5780
    • 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=133.0.6943.60 --initial-client-data=0x21c,0x220,0x224,0x1f8,0x228,0x7ff9c40edcf8,0x7ff9c40edd04,0x7ff9c40edd10
      2⤵
        PID:4420
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --string-annotations --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --field-trial-handle=1940,i,11003618672023890841,2238475413977891433,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=1936 /prefetch:2
        2⤵
          PID:2484
        • 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 --string-annotations --field-trial-handle=1616,i,11003618672023890841,2238475413977891433,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=2300 /prefetch:3
          2⤵
          • Detected potential entity reuse from brand MICROSOFT.
          PID:1336
        • 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 --string-annotations --field-trial-handle=2388,i,11003618672023890841,2238475413977891433,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=2364 /prefetch:8
          2⤵
            PID:4124
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3180,i,11003618672023890841,2238475413977891433,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=3220 /prefetch:1
            2⤵
              PID:412
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3196,i,11003618672023890841,2238475413977891433,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=3332 /prefetch:1
              2⤵
                PID:1996
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --extension-process --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4292,i,11003618672023890841,2238475413977891433,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=4304 /prefetch:2
                2⤵
                  PID:4904
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --field-trial-handle=4272,i,11003618672023890841,2238475413977891433,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=4756 /prefetch:1
                  2⤵
                    PID:1112
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --field-trial-handle=4908,i,11003618672023890841,2238475413977891433,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=4700 /prefetch:1
                    2⤵
                      PID:5520
                    • 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 --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=5464,i,11003618672023890841,2238475413977891433,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=5224 /prefetch:8
                      2⤵
                        PID:4832
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --field-trial-handle=5828,i,11003618672023890841,2238475413977891433,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=5684 /prefetch:1
                        2⤵
                          PID:3264
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --field-trial-handle=3524,i,11003618672023890841,2238475413977891433,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=3348 /prefetch:1
                          2⤵
                            PID:1204
                          • 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 --message-loop-type-ui --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=500,i,11003618672023890841,2238475413977891433,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=5916 /prefetch:8
                            2⤵
                              PID:2660
                            • 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 --message-loop-type-ui --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=4772,i,11003618672023890841,2238475413977891433,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=4812 /prefetch:8
                              2⤵
                                PID:3836
                              • 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 --message-loop-type-ui --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=4836,i,11003618672023890841,2238475413977891433,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=4820 /prefetch:8
                                2⤵
                                  PID:5696
                                • 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=10.0.19041.4355 --string-annotations --gpu-preferences=UAAAAAAAAADoAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAABCAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --field-trial-handle=5656,i,11003618672023890841,2238475413977891433,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=5764 /prefetch:8
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:5988
                              • C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe
                                "C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe"
                                1⤵
                                  PID:336
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                  1⤵
                                    PID:5116

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

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

                                    Filesize

                                    649B

                                    MD5

                                    c3b9ad9168b451c1d9bd789ae1ae384d

                                    SHA1

                                    2a33e99fcceb62ed93c0d2357dea37a065b2cd8f

                                    SHA256

                                    93e7a8b3f7ea6ecf4f720fb6eecf8dc20fd98a140f29c1a79d5c11a8d14d115a

                                    SHA512

                                    7e3b86977fb12bf94ea0cd23e0cd5748bdb2b3f0b1e42755496726dbae6716171d0b2945714930d6b429095d6ffa14d33504c1cd0e332fb51c247d6284ce51e3

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

                                    Filesize

                                    264B

                                    MD5

                                    7cb92b265e348dd98a0d594b8832f7e6

                                    SHA1

                                    db323e5a792d5ff2cf07945f483e86e734ff8452

                                    SHA256

                                    dbc3530d3dfbfe0affb84cb9e85748596b77205918daa097ef3eae8c43697eb5

                                    SHA512

                                    ef06c0a1641285713c364eb9f7f3829197a081313650279dbdbf89c5937591982d54e4fcc949a3eae18819e1e07db4d28f759a86a762b92acf7665674064a83d

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

                                    Filesize

                                    4KB

                                    MD5

                                    53a24f849a1cf3595d985687d6127404

                                    SHA1

                                    8ba52419605d3c566313afb048e14d0d0f081b74

                                    SHA256

                                    155617500cdae2e3773a95630af60ff50b7b4c0a0cafb333dcdd0593881e3d30

                                    SHA512

                                    1ad5260bfc20ac22722615668f8b0d248db7e643770d97cbef604c9a480d1a33a89d552bf20700bd970b61a9fe24b92dc905f853e4025179628ae382b749af04

                                  • 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\Preferences

                                    Filesize

                                    11KB

                                    MD5

                                    8d4c8453188f0456981282d309d9df64

                                    SHA1

                                    8e4b8fc4a99ab80d781c4421adc6d40602870acc

                                    SHA256

                                    d0b04e3b4f02029385252654b206f57c803de93f2f265f993f2752a7893cf10d

                                    SHA512

                                    01e119cd869ff001fb9fe646884cb2f20144ae3ab838bf87bd7a1b0a08a2391dbfa28733aab06a823690c68e38c3a200012caa72eba5aea62a46f3402119493b

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

                                    Filesize

                                    11KB

                                    MD5

                                    b3d9f2c070da2fbf88eb6cf562172551

                                    SHA1

                                    c27f8b843832a306a7c0559b960e9c2b7a36ffae

                                    SHA256

                                    450abb8f9690e7f55a3c6c353d8abe2143baa85eb21d490a782767dd1cd64e7b

                                    SHA512

                                    eec32edef8944f4d2bca4470b26b84ea6dde9083cc847c94534a26b032038645603970f86aeb1affdc63b25f499b98eb3ec64f88b4fcee6cadae8e1253c74974

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

                                    Filesize

                                    10KB

                                    MD5

                                    7b672e2afe901cdf233c584bd8c5fce7

                                    SHA1

                                    1a18a60a67db365469ea5e5bc8851e4024199278

                                    SHA256

                                    8beab17c12815b74d36587ba613ee506b12879b431e6bd98eaf68f7cd40c5b8c

                                    SHA512

                                    1b802603bca374e50ad151e30014817a0e42379e3be0a41e607221bc7fdcf2d0575e97a42ba2774a481651335cad19f9a9a85062e8f5f25b4c9fb43dc042c812

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

                                    Filesize

                                    15KB

                                    MD5

                                    043841ac49ce56bd602093b22cd53633

                                    SHA1

                                    a05a65b79ab86160a2d735496b0c6191deb4b843

                                    SHA256

                                    3d796bd4fc262fe29e9161ef07207d0ef2fef9fddae4d24c47d1d0a10ed6265d

                                    SHA512

                                    89f3ba67787979b11ca42fe0d6a6fcaf60236401bb40c43f982734c8aecc7fdf4ce70a5e2c2b93f2521e0ea17cc56be5b401304965124bc094de8bd1a9a2961c

                                  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index

                                    Filesize

                                    72B

                                    MD5

                                    1d574713d4b04985842e7bca0b13de6b

                                    SHA1

                                    a34bd87f3fa7b4a30d8c011bc1e2c0e9bb66dddb

                                    SHA256

                                    52a625c67e1e47a868789dea504e189ff548b8e5efb93f1d9ca23dc4ed180690

                                    SHA512

                                    b4ee92218a39ba609db4ae96814efef8bb59d44ea891705d29e44b58509f6e55a514241160df8792240cd4c7ebb6a65e35ea1c6c02b1b46c07528c7ac85a7470

                                  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe57d09e.TMP

                                    Filesize

                                    48B

                                    MD5

                                    0fbcdebf4e38707b0eada76d81450957

                                    SHA1

                                    26f4cb409654b06eacd8245fa0835cfb3d93cf81

                                    SHA256

                                    602798d91f3cefb10c2da367378d5b040a73c3a8352a3f39f51037b05ad2444c

                                    SHA512

                                    7b66e57ae9b0194045524a525f45d869989682ddf84b010fca76adb3b28eb29216dbea36569428fb4968a1cae041404bcae66ee405fa67962dd65a9c5185e268

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

                                    Filesize

                                    80KB

                                    MD5

                                    e6e7dc328136271de4b9d88eca767e09

                                    SHA1

                                    cb97b6b14578080dfaaa968f626b37ffe176889a

                                    SHA256

                                    05f3a9dc96efef34ff1859dbe9593fff36d0f407268870dbd270eeed3a262854

                                    SHA512

                                    29e0448a908d84ec97421953b30270def06b3bcb80e8aa0074a935c2175cdb6f3cf21aa4a0c2b331e9e8aca2390559b9af8413f1f6c675ab1ce03a4f159469d5

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

                                    Filesize

                                    81KB

                                    MD5

                                    1853e7218f02d42d6c89f49d8360c1b2

                                    SHA1

                                    edbe021681dcc816012ba26e02dc130e976c1b30

                                    SHA256

                                    80ed90bc2cbc94c630e22aa72a4f383fdc3723b0d33504072b15aef462013a7a

                                    SHA512

                                    f18289344ee01a9d7deaf4a9bb8cdc0d2b5da3a771d3dd82b81c3f878527a83e6b52c3645ddf9697825d72eb23e5008f7df67fccc6f2394eaaaf4248471c56ae

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

                                    Filesize

                                    81KB

                                    MD5

                                    3e912ccfd97b7c245f1de63cfda40cc9

                                    SHA1

                                    89f684c5e4f410eb26414cdf763a9b2e7eb9b9c2

                                    SHA256

                                    454476f898a34394fd6ae7c54d57178ebc4b6c8b9ec1fd497b9ca16006d9eb6a

                                    SHA512

                                    99fb523e7bb880971061f8283c3abf994ae6d3de7b049142ca035b78871830f14a86cba6b2e323cb79e96c2eebb4c96eb7c2d858cf15a2f18657be2e123111fe