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Analysis

  • max time kernel
    157s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231025-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/11/2023, 06:38

General

  • Target

    d55fb653851de0ace16f7d7ce587051e8c770b7f59766b90a1fd0337d3b251fe.exe

  • Size

    2.6MB

  • MD5

    a29d0b559b2ae3833caefe2364da64cb

  • SHA1

    513e22e2376cd7cd5a82fa336ab478db49572700

  • SHA256

    d55fb653851de0ace16f7d7ce587051e8c770b7f59766b90a1fd0337d3b251fe

  • SHA512

    d1df47503218c5ff00fcc2e29794396a963686fe412db7be143d5f6c09ae19e47ae91497856326927b4d19a01407dfb50b62c70195d99d0463bf6825a749be00

  • SSDEEP

    49152:gA81IJPkqnEvdDqnroHOfmlO2tiToyGxgMHO:gA81IBgcnsHOm46iToyslH

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d55fb653851de0ace16f7d7ce587051e8c770b7f59766b90a1fd0337d3b251fe.exe
    "C:\Users\Admin\AppData\Local\Temp\d55fb653851de0ace16f7d7ce587051e8c770b7f59766b90a1fd0337d3b251fe.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1008
    • C:\Users\Admin\AppData\Local\Temp\d55fb653851de0ace16f7d7ce587051e8c770b7f59766b90a1fd0337d3b251fe.exe
      "C:\Users\Admin\AppData\Local\Temp\d55fb653851de0ace16f7d7ce587051e8c770b7f59766b90a1fd0337d3b251fe.exe" Master
      2⤵
      • Drops file in Drivers directory
      • Enumerates connected drives
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4968
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.178stu.com/my.htm
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:1780
        • 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,0x100,0x104,0xd8,0x108,0x7ffa2d9c46f8,0x7ffa2d9c4708,0x7ffa2d9c4718
          4⤵
            PID:556
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2176,2043568050443862363,17558717722116422755,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2184 /prefetch:2
            4⤵
              PID:3476
            • 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=2176,2043568050443862363,17558717722116422755,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2236 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4744
            • 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=2176,2043568050443862363,17558717722116422755,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2740 /prefetch:8
              4⤵
                PID:4280
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2176,2043568050443862363,17558717722116422755,131072 --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=3412 /prefetch:1
                4⤵
                  PID:1168
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2176,2043568050443862363,17558717722116422755,131072 --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=3420 /prefetch:1
                  4⤵
                    PID:624
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2176,2043568050443862363,17558717722116422755,131072 --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=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4920 /prefetch:1
                    4⤵
                      PID:4584
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2176,2043568050443862363,17558717722116422755,131072 --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=4900 /prefetch:1
                      4⤵
                        PID:4496
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2176,2043568050443862363,17558717722116422755,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5220 /prefetch:1
                        4⤵
                          PID:3272
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2176,2043568050443862363,17558717722116422755,131072 --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=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5244 /prefetch:1
                          4⤵
                            PID:4968
                          • 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=2176,2043568050443862363,17558717722116422755,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4908 /prefetch:8
                            4⤵
                              PID:4624
                            • 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=2176,2043568050443862363,17558717722116422755,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4908 /prefetch:8
                              4⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:4264
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2176,2043568050443862363,17558717722116422755,131072 --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=6132 /prefetch:1
                              4⤵
                                PID:2636
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2176,2043568050443862363,17558717722116422755,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3668 /prefetch:1
                                4⤵
                                  PID:3288
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2176,2043568050443862363,17558717722116422755,131072 --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=5552 /prefetch:1
                                  4⤵
                                    PID:4772
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:3984
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:4860

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

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

                                  Filesize

                                  152B

                                  MD5

                                  aed593b08b94f34dd8f68fd369652ac2

                                  SHA1

                                  3ce2a17e426e09c2fd9a8d2ab191fe29248f2d95

                                  SHA256

                                  5c0cdd5dc1bccf7e3ffa8568fdd2fe35f3edc85832f3d11331aced965aaeeba7

                                  SHA512

                                  16b34c29d8ea3793f7d4491847d2fecae2c6c9d7b7b1ec16d1367828d0a4da4cdbf912c2040bc0ca98ac32cd701355ddd16b4865629d51bae2527e1a05411137

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

                                  Filesize

                                  111B

                                  MD5

                                  285252a2f6327d41eab203dc2f402c67

                                  SHA1

                                  acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

                                  SHA256

                                  5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

                                  SHA512

                                  11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

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

                                  Filesize

                                  5KB

                                  MD5

                                  20512b8ead70bbdb57b47e90d7fd111a

                                  SHA1

                                  9b82bd1d504c5cc9197f610ad2de4290578312c8

                                  SHA256

                                  401eac5bb5b1fd9bc5e40d46002b63afbf2563cf3d1fb2075ce3a28b7f884556

                                  SHA512

                                  0c8062591dd66bdc34739143eda49396537f44fd4d0dba1284de301520062acd2dd60ab839ea8c6581d73b6c48e3077930a491795272a74751f6045a0dd26b7f

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

                                  Filesize

                                  5KB

                                  MD5

                                  93b712cc6ffa293dbf9787a3cb248bb5

                                  SHA1

                                  1fd01a614b18beb8047668aeed0cd306bc7bb892

                                  SHA256

                                  d935a322cb9d3690b1883b32c4074fe5e0de574cf337fddea0f48ee392edc178

                                  SHA512

                                  282270ac1d1135f4f519c3bd7731eae46a19bac11f5c40c935c3dc1211598dbb9cdbe8af4e02508746caad935ca21b612701dbd252bd9169ae62f58da0997748

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

                                  Filesize

                                  5KB

                                  MD5

                                  ae3d37ec0a98396dffe3ab7ed6048eeb

                                  SHA1

                                  d595762ee48d7ce569b5fbad750534d374e2e9bb

                                  SHA256

                                  f3baec4dc2f9a96c781077e1eef84399c61fc7c16e75dc858c7d0da763c48500

                                  SHA512

                                  e52f0ec0b3b4ae87d229e3b135db10f8e6a061a261d1d00bce4fa9d8fde00817dfbb59202f90daeb246ee7fb38708cf59ceaf8e7bb03f9f1c6beebe4b115bdea

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

                                  Filesize

                                  24KB

                                  MD5

                                  e2565e589c9c038c551766400aefc665

                                  SHA1

                                  77893bb0d295c2737e31a3f539572367c946ab27

                                  SHA256

                                  172017da29bce2bfe0c8b4577a9b8e7a97a0585fd85697f51261f39b28877e80

                                  SHA512

                                  5a33ce3d048f2443c5d1aee3922693decc19c4d172aff0b059b31af3b56aa5e413902f9a9634e5ee874b046ae63a0531985b0361467b62e977dcff7fc9913c4d

                                • 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

                                  2e7867e8cec2e6ff380327d3edde1646

                                  SHA1

                                  7ac8187ffa4b2b5f2bf5993ab72fd3f65dbe0a4e

                                  SHA256

                                  f4ae2b2eac1e92f68c595aad4518d098ebe5c79c7fb705d10ae1bee574f6c28a

                                  SHA512

                                  d089ce202d3eaf731cab704e6949f448f0ea00bc216f9defb797d50dc355c9415df97a2987fb074533e43e186542fb31655d969281f1f46c0a1b73f2376a4f5c

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

                                  Filesize

                                  3KB

                                  MD5

                                  003c9ec9d4ad98a070911bda9b41e6c0

                                  SHA1

                                  9b102275d3e0062a0f9271723707de73cdfa0799

                                  SHA256

                                  e322c6fcdc7e3c83fb6224659652685f960f3864f24ac79d39fd8ca03e12cfab

                                  SHA512

                                  295cca0a0537e5d0f954bd88b5983843782544f71f75bceb781d5f8981101519b7689d47cf59e4de16002a45eb5ad3ac831be5b616a087819bbb9ef5208aefe8

                                • memory/1008-0-0x00000000009D0000-0x00000000009D1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1008-2-0x0000000000400000-0x000000000069F000-memory.dmp

                                  Filesize

                                  2.6MB

                                • memory/4968-5-0x0000000000400000-0x000000000069F000-memory.dmp

                                  Filesize

                                  2.6MB

                                • memory/4968-12-0x0000000000400000-0x000000000069F000-memory.dmp

                                  Filesize

                                  2.6MB

                                • memory/4968-9-0x0000000000400000-0x000000000069F000-memory.dmp

                                  Filesize

                                  2.6MB

                                • memory/4968-7-0x0000000000400000-0x000000000069F000-memory.dmp

                                  Filesize

                                  2.6MB

                                • memory/4968-1-0x0000000002330000-0x0000000002331000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4968-6-0x0000000000400000-0x000000000069F000-memory.dmp

                                  Filesize

                                  2.6MB