Resubmissions

20/04/2025, 12:45

250420-pzjmksvyhv 3

20/04/2025, 12:35

250420-psjn1avxfv 10

Analysis

  • max time kernel
    599s
  • max time network
    544s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20250410-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250410-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    20/04/2025, 12:35

General

  • Target

    https://workupload.com/file/37s32TPnyvX

Score
4/10

Malware Config

Signatures

  • 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
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://workupload.com/file/37s32TPnyvX
    1⤵
    • Drops file in Windows directory
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:440
    • 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,0x220,0x224,0x1f8,0x228,0x7ffda92edcf8,0x7ffda92edd04,0x7ffda92edd10
      2⤵
        PID:4204
      • 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=2052,i,1941811045857760642,15014145979965089022,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=2044 /prefetch:2
        2⤵
          PID:5724
        • 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=2096,i,1941811045857760642,15014145979965089022,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=2136 /prefetch:3
          2⤵
            PID:4220
          • 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=2104,i,1941811045857760642,15014145979965089022,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=2424 /prefetch:8
            2⤵
              PID:3380
            • 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=3076,i,1941811045857760642,15014145979965089022,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=3100 /prefetch:1
              2⤵
                PID:220
              • 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=3068,i,1941811045857760642,15014145979965089022,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=2964 /prefetch:1
                2⤵
                  PID:5360
                • 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=4212,i,1941811045857760642,15014145979965089022,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=4232 /prefetch:2
                  2⤵
                    PID:6084
                  • 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=5196,i,1941811045857760642,15014145979965089022,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=5208 /prefetch:8
                    2⤵
                      PID:6080
                    • 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=5440,i,1941811045857760642,15014145979965089022,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=5392 /prefetch:8
                      2⤵
                        PID:4272
                      • 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=5360,i,1941811045857760642,15014145979965089022,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=5224 /prefetch:8
                        2⤵
                          PID:3640
                        • 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=5240,i,1941811045857760642,15014145979965089022,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=5232 /prefetch:8
                          2⤵
                            PID:3264
                          • 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=5368,i,1941811045857760642,15014145979965089022,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=1112 /prefetch:8
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:5868
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=on_device_model.mojom.OnDeviceModelService --lang=en-US --service-sandbox-type=on_device_model_execution --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=5072,i,1941811045857760642,15014145979965089022,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=4348 /prefetch:8
                            2⤵
                              PID:1028
                          • 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:5728
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                              1⤵
                                PID:5820

                              Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

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                              Downloads

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

                                Filesize

                                649B

                                MD5

                                839a4003a004017a4b23b24abc0c3dbd

                                SHA1

                                3cfa785d22e6e85e7e3150369aa98f55a0f1a183

                                SHA256

                                3ee724eaee5e909bb615a7bebd098f8dd2511196694b901afd1136439091b058

                                SHA512

                                8f7b7215e55c7b45f77a315d177292b523c026d8e6d50c7d53fc6e87cff1df735a7c4cb26859ba83f2f54ada92a9fb9028e109997c206104c903393b4e50f34d

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

                                Filesize

                                192B

                                MD5

                                e8836400f6d5e968193c8d58a247d07a

                                SHA1

                                0b53a03a31ae85bd0ca9916e155803d7494176aa

                                SHA256

                                19ab52eccb84758fc5c91938610757bc79f6b22ff69a9078b006f12175f39ca1

                                SHA512

                                3aec7f1de7eaa7f5782dec66b109047e64da0875992a0fe5e89c6c09fa860bac990c90dc5d1f4e9039b0e1a49578ee9f0099866cbf744c9bcd7d32817d5cdffd

                              • 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

                                10KB

                                MD5

                                491c1cabe39ed797c9f48dc1d613f901

                                SHA1

                                bcef56807e85785761f4195ba3eab9391a47899e

                                SHA256

                                1e736a43a9d0eed1edc59671b2cb010c248d1da6d889e08a18cc8129250b76fa

                                SHA512

                                6c2fc194ffda91ec798239647ddf845bdea1b29954ea254b885cc612edfbea3f65d9a7175cb263e4d37a439c2f837708e693a439d80576b9cfe815462515971c

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

                                Filesize

                                15KB

                                MD5

                                c92a58a3430f6841aa712c5a0ee3df5e

                                SHA1

                                40ad8dce2c492cca7ac13bc8f3aed0f5652ea29c

                                SHA256

                                2e6bfba382238a3eb6949a5ffee014f9289c8ef8563e44053f51efb273271f20

                                SHA512

                                253aa7a52eed660fcfd8ceb8e29daa52b0a67a2c06ba20ea4c35037df328387d3947fc3c46a40703baf940b58820395ad64777ac9262565d7a7cee380c1a03c5

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

                                Filesize

                                72B

                                MD5

                                f1c38d0abb1437885a9a70754c9b492c

                                SHA1

                                61584c1c61f0b4a5a1bdf670feba012fa3a44fab

                                SHA256

                                f2ea6e3e5e705790881982be6917aea98f0b5f72ab11395f4bc3ea1cb7b477fb

                                SHA512

                                3412d040e61bfb92df641ad10efd5f0da9f6e77fa286506da9893673f154ce92ba29fab853c6b43950913993984dfef3d37beed4b02cb98ec50835e7a1146ecf

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe57d1b7.TMP

                                Filesize

                                48B

                                MD5

                                081bcb6aa9639d439cbe9701a8d73aa7

                                SHA1

                                499370892126146b2678ecf04aeb707842296b17

                                SHA256

                                3e1c8db2e23600c81ff6902b40e68cac81da0d8819c519545113ded42eb00f1f

                                SHA512

                                10bb15d851de07906081f0dda2424351db8fdb2e64cbab59a9fe75e236adbb111f9a2c6ea361564c6528a75c8dc03ca7c2f868f7088e1f5e35612fbaebe51dfa

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

                                Filesize

                                78KB

                                MD5

                                df66db251a0a833c1a0008ba8f4e79c4

                                SHA1

                                f0951034ae6ae5c2b2af3977e4675ff4b5a458cd

                                SHA256

                                368d285262fae47e05dca9729aca90009964e0dfb757f127f61239611aca9b98

                                SHA512

                                4351f40179d5c624ed98958c10b571b9e4e69ae5af133ad32dd258ddbcc706d4c172e06c4c81f7d3c5f5e7c88e6d48754cb12a41365605fa92e11a5c2f23fc44

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

                                Filesize

                                79KB

                                MD5

                                928d37bab9a66c6c91ec717de07c340b

                                SHA1

                                5d856a366749ce0c2926361f694ed717d43e976d

                                SHA256

                                8b11367cb9f901ef5d78fd4f27c82d516cf2ed6b1640daab97481e94e862e205

                                SHA512

                                d745d8a92b6d57909e3c11b73753f98eba213b56ee2d9a470e131fb23ab1de0a85580a84ccbe5e606765bb4065737b5472987fc50f091a84a51271a861767672

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

                                Filesize

                                79KB

                                MD5

                                80e7e6f0560be84c71fedb180b35b2e5

                                SHA1

                                075ffa1b1e59b3fa3efbfe59777e1ecd6cbd2fb4

                                SHA256

                                be14686af13d4658cd1f5eb3d2171bbd37602151614615c44efb0371014c169b

                                SHA512

                                9acc4fb894feb1e6a4adca58ddb6585aa08bc05c6601c4d420916110def0918635c63d4a5f8bb13374c84a188f7d984d4cefa55baef3ff51c33d67d87b5058b4

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\da5052c0-23a3-481c-8759-629ba727add9.tmp

                                Filesize

                                79KB

                                MD5

                                fa983e3ccb1f064ffb3964bd48d1d1d3

                                SHA1

                                f11b8effddc7b1c55df8e0744973b921bb70465a

                                SHA256

                                a28038906c7f486fa960ef936a315cb5c9c93b19842be4b57a3bc6e0bcf3d144

                                SHA512

                                ac28f4152eb05c935028348edf8f2a690c06c5463816a45af2efc37a29554babcc41243e48f64ceb8568df3927a0f2a9217a926501c84305305b764feba0947c