Analysis

  • max time kernel
    1680s
  • max time network
    1799s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 17:09

General

  • Target

    https://4c20a669.820c6be6b16a6e9d7286f143.workers.dev?qrc=befordmontrose-env.com

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
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --single-argument https://4c20a669.820c6be6b16a6e9d7286f143.workers.dev?qrc=befordmontrose-env.com
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7fff99aa46f8,0x7fff99aa4708,0x7fff99aa4718
      2⤵
        PID:3796
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,11124780601771825012,1873106527711182119,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2156 /prefetch:2
        2⤵
          PID:4632
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2108,11124780601771825012,1873106527711182119,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2208 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4268
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2108,11124780601771825012,1873106527711182119,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2868 /prefetch:8
          2⤵
            PID:1868
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11124780601771825012,1873106527711182119,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3272 /prefetch:1
            2⤵
              PID:1736
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11124780601771825012,1873106527711182119,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3284 /prefetch:1
              2⤵
                PID:2164
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11124780601771825012,1873106527711182119,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4704 /prefetch:1
                2⤵
                  PID:1200
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11124780601771825012,1873106527711182119,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4820 /prefetch:1
                  2⤵
                    PID:3496
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2108,11124780601771825012,1873106527711182119,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5312 /prefetch:8
                    2⤵
                      PID:1420
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2108,11124780601771825012,1873106527711182119,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5312 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:2964
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11124780601771825012,1873106527711182119,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5256 /prefetch:1
                      2⤵
                        PID:1848
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11124780601771825012,1873106527711182119,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5192 /prefetch:1
                        2⤵
                          PID:4276
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11124780601771825012,1873106527711182119,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2312 /prefetch:1
                          2⤵
                            PID:1920
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11124780601771825012,1873106527711182119,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5484 /prefetch:1
                            2⤵
                              PID:2112
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11124780601771825012,1873106527711182119,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5808 /prefetch:1
                              2⤵
                                PID:560
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11124780601771825012,1873106527711182119,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4672 /prefetch:1
                                2⤵
                                  PID:4844
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,11124780601771825012,1873106527711182119,131072 --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=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=5636 /prefetch:2
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:2680
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:3280
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:2348

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                    Filesize

                                    152B

                                    MD5

                                    85ba073d7015b6ce7da19235a275f6da

                                    SHA1

                                    a23c8c2125e45a0788bac14423ae1f3eab92cf00

                                    SHA256

                                    5ad04b8c19bf43b550ad725202f79086168ecccabe791100fba203d9aa27e617

                                    SHA512

                                    eb4fd72d7030ea1a25af2b59769b671a5760735fb95d18145f036a8d9e6f42c903b34a7e606046c740c644fab0bb9f5b7335c1869b098f121579e71f10f5a9c3

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                    Filesize

                                    152B

                                    MD5

                                    7de1bbdc1f9cf1a58ae1de4951ce8cb9

                                    SHA1

                                    010da169e15457c25bd80ef02d76a940c1210301

                                    SHA256

                                    6e390bbc0d03a652516705775e8e9a7b7936312a8a5bea407f9d7d9fa99d957e

                                    SHA512

                                    e4a33f2128883e71ab41e803e8b55d0ac17cbc51be3bde42bed157df24f10f34ad264f74ef3254dbe30d253aca03158fde21518c2b78aaa05dae8308b1c5f30c

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

                                    Filesize

                                    168B

                                    MD5

                                    a0654d03344de33cd0d4ad070368fafd

                                    SHA1

                                    6f703b89df0daffe17a08bb7e52edfe2773c7fc1

                                    SHA256

                                    a2d0c94cf4c3d1adbb9fe6ec15142ff736504e49294c236e7d2b9a6a9d3f6e94

                                    SHA512

                                    5b06c7a31fa6cbc5442a5a640b982b86d807f7999123b2ee89968d2fcbb1c78c83d79dd39e9d2cd3ce1bdeba119f39d75c08389b48b0e722fb1010b76df2ea97

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

                                    Filesize

                                    96B

                                    MD5

                                    b5a227c657f7f9722510cf0477b27efc

                                    SHA1

                                    4a43ab7f89ba18b4eac8a621e4cd02bb793a5890

                                    SHA256

                                    ea1217bbcdcdd48e42541cbd351d6c3e805bd361b329da7afad4240c8fd904a0

                                    SHA512

                                    4562f3d7f9d469feac53f96fd9224fb0b6f066bdc689930bba853310a9b91cf90a8408906242ab1fd124a9a796249eb8663949e60aada09bd35ad057a8cb3072

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

                                    Filesize

                                    296B

                                    MD5

                                    2cbc30a8f0cbcfc38bba87e9a3bdbafd

                                    SHA1

                                    9f3d782eb8607ecfbc2eb6a5b76204045a720bf2

                                    SHA256

                                    15760fef9ebd67514c75c5abc772f096145a22b47e65e3da4e3d8513129156d1

                                    SHA512

                                    e90eb9eacd8e761e30c62dbbaa5f6c7856d058745f3c9627408b3d3a164a7081aab6130049fadf350d5a049c948d86db7bb33398cbff35d25aab9733480985e5

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

                                    Filesize

                                    976B

                                    MD5

                                    a1df42e3cb6b54ce290107a3575f0408

                                    SHA1

                                    538a82b67436c36504b8cb21fcdb20e2c4010687

                                    SHA256

                                    5733a891cfc5578472e67d74dd636bbc0700db6223d3c6166ff56573fa7d0934

                                    SHA512

                                    4c693ea4568c10c3c7f4c3f28f96946ca26aee94a57b58380eaf6d240bc6bd0a9d3bc8a8ad25c4e83646a19389d65293a4c6cfaca9b2fa0b0eb4f4b43e9b8927

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                    Filesize

                                    6KB

                                    MD5

                                    a67a2fd34f39b8299d69873c7d472231

                                    SHA1

                                    4f3b4e81d3a9a544441b8e59c7b055b2582ca66d

                                    SHA256

                                    a56c224950a859790af7584614022d5e75b46cf3e2ab29d1c18af1c34cc4f4a3

                                    SHA512

                                    eeb4e956f8f95c7e30361c6fbc8b8a05ca2e0b5a18158732550c56782d89d53998f583a7a78575ac46acfa9925bde442335994e759616dddd8c85ad97cc6554b

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                    Filesize

                                    6KB

                                    MD5

                                    73b99a6094fbadb7fe9e98d3cf6f7410

                                    SHA1

                                    9a7a2ae301accf3d789c6ca9d9bbd080d793e7b2

                                    SHA256

                                    e4df0b74e8e17e1a46c8b958bb9eb73afe82c448221c247da59bd5a360be440c

                                    SHA512

                                    3b82cffd4912d44978d35d2843d016a4d83a4f42998e9d7548a9b32016c18a5092cae3f10b4f394ddd6ad7603cc0ae5958542aee8bb0745aa7a99fe8b781142c

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                    Filesize

                                    5KB

                                    MD5

                                    472abab98cf4c9e6d6294b3359f5cf82

                                    SHA1

                                    8706a65fbd2611bc44331a4db8a028c5b69a2cb8

                                    SHA256

                                    876862248784fce865c01d1408558d848f4d01ab92592db2cdd635914db08d98

                                    SHA512

                                    4c9466c52ed55bd345a05085fc941a027ddf2b73065b65b22a4a64718b6f213b34cdcee7cd9b8a4ea2d8332bbfca1bc80630032f98b005a2c10fb024280794bb

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                                    Filesize

                                    16B

                                    MD5

                                    6752a1d65b201c13b62ea44016eb221f

                                    SHA1

                                    58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                                    SHA256

                                    0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                                    SHA512

                                    9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                                    Filesize

                                    10KB

                                    MD5

                                    fe72996b3fd8ffe9d86bf9ba48dca0f9

                                    SHA1

                                    0a52001c7961f7c1507f1567061bdbf48bfb8de7

                                    SHA256

                                    c56c866db5ca34fc897123710e901792c66d78a8a592bf44482746cd5d518f4f

                                    SHA512

                                    d804e30fa403a55438c30d6a85269baf69176370094dc4598f1f5f0dc640ed927315529ef9a92ee233cfdde47fd1de0d33ca9006f971125e9aa2421d0990115b