Analysis

  • max time kernel
    1770s
  • max time network
    1685s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    21-11-2024 02:58

General

  • Target

    https://mcrosoft-mcrosoft-mcrosoft.kestecinternational.com/?mk=YWdsZW5uQG1vbnRyb3NlLWVudi5jb20=$

Score
4/10

Malware Config

Signatures

  • Drops file in Program Files directory 2 IoCs
  • 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 6 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://mcrosoft-mcrosoft-mcrosoft.kestecinternational.com/?mk=YWdsZW5uQG1vbnRyb3NlLWVudi5jb20=$
    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:5052
    • 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=0x124,0x128,0x12c,0x100,0x130,0x7ff89ac146f8,0x7ff89ac14708,0x7ff89ac14718
      2⤵
        PID:636
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,14225749065037182899,4717839771562097193,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2160 /prefetch:2
        2⤵
          PID:3656
        • 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=2124,14225749065037182899,4717839771562097193,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2340 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4604
        • 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=2124,14225749065037182899,4717839771562097193,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2784 /prefetch:8
          2⤵
            PID:928
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,14225749065037182899,4717839771562097193,131072 --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
            2⤵
              PID:3740
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,14225749065037182899,4717839771562097193,131072 --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=3456 /prefetch:1
              2⤵
                PID:2944
              • 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=2124,14225749065037182899,4717839771562097193,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5584 /prefetch:8
                2⤵
                  PID:1012
                • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
                  2⤵
                  • Drops file in Program Files directory
                  PID:2224
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x248,0x24c,0x250,0x224,0x254,0x7ff7db325460,0x7ff7db325470,0x7ff7db325480
                    3⤵
                      PID:3068
                  • 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=2124,14225749065037182899,4717839771562097193,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5584 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2632
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,14225749065037182899,4717839771562097193,131072 --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=5692 /prefetch:1
                    2⤵
                      PID:3580
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,14225749065037182899,4717839771562097193,131072 --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=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5720 /prefetch:1
                      2⤵
                        PID:864
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,14225749065037182899,4717839771562097193,131072 --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=3588 /prefetch:1
                        2⤵
                          PID:1144
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,14225749065037182899,4717839771562097193,131072 --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=6104 /prefetch:1
                          2⤵
                            PID:2372
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,14225749065037182899,4717839771562097193,131072 --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=10.0.19041.4355 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=900 /prefetch:2
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:1592
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:4308
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:4496

                            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

                              843402bd30bd238629acedf42a0dcb51

                              SHA1

                              050e6aa6f2c5b862c224e5852cdfb84db9a79bbc

                              SHA256

                              692f41363d887f712ab0862a8c317e4b62ba6a0294b238ea8c1ad4ac0fbcda7a

                              SHA512

                              977ec0f2943ad3adb9cff7e964d73f3dadc53283329248994f8c6246dfafbf2af3b25818c54f94cc73cd99f01888e84254d5435e28961db40bccbbf24e966167

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

                              Filesize

                              152B

                              MD5

                              557df060b24d910f788843324c70707a

                              SHA1

                              e5d15be40f23484b3d9b77c19658adcb6e1da45c

                              SHA256

                              83cb7d7b4f4a9b084202fef8723df5c5b78f2af1a60e5a4c25a8ed407b5bf53b

                              SHA512

                              78df1a48eed7d2d297aa87b41540d64a94f5aa356b9fc5c97b32ab4d58a8bc3ba02ce829aed27d693f7ab01d31d5f2052c3ebf0129f27dd164416ea65edc911c

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Edge Profile.ico

                              Filesize

                              70KB

                              MD5

                              e5e3377341056643b0494b6842c0b544

                              SHA1

                              d53fd8e256ec9d5cef8ef5387872e544a2df9108

                              SHA256

                              e23040951e464b53b84b11c3466bbd4707a009018819f9ad2a79d1b0b309bc25

                              SHA512

                              83f09e48d009a5cf83fa9aa8f28187f7f4202c84e2d0d6e5806c468f4a24b2478b73077381d2a21c89aa64884df3c56e8dc94eb4ad2d6a8085ac2feb1e26c2ef

                            • 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\Network Persistent State

                              Filesize

                              218B

                              MD5

                              b02350165d3b0f279b56fa2b3f7e707b

                              SHA1

                              b8ed8a3ff1b28ece9c412bb2aebf3f8c243e925a

                              SHA256

                              04aac4cf1d7c3ed2ec2f453128887ceb927a6ca1557df37a7a7f5f5608004761

                              SHA512

                              c16ec6f71e8bf8c84a659541582b8b068dfe483358b3f896ba61e79da4679a97b4ffd6418ace10d4063105c9998b791f40c0054cc8e4f1ceb05f79f26f57527c

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

                              Filesize

                              5KB

                              MD5

                              e2e19d1a8a49b1006c74ac243720e648

                              SHA1

                              346dcfb37a02fc06955f9e6c29fb5b4ffc9fdd13

                              SHA256

                              b6b4e5ab55386d033712192730946e09f63c9291ce1fead0c903c6280a8b66b0

                              SHA512

                              d548aa4d304386244c8814518e3a43021474ebbe150062a4181ec6a57292bcaac8cd465c28b0d557e86870edffe4714ac69ee967674c7d55c76cd634bbb6127c

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

                              Filesize

                              5KB

                              MD5

                              6c8dd8571a4bb1fd0d9ab213672d5a99

                              SHA1

                              eec196247478917906dd55398ef4a5a5406533d9

                              SHA256

                              08eb7a4bf3a855f8207e4652633d264a1d16d83af4d29bff9efaab1124dff43f

                              SHA512

                              c8311438aa86a663d80e6c16980b39b383cce3cc41b84908bedffeb89739ff0e468181bd164ec754689e0a248382b94e23b03b1b1923222b4beff26b1250d264

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

                              Filesize

                              5KB

                              MD5

                              faa625d4df2e8184b4a5a1ef9fb886d0

                              SHA1

                              87bd4c2bba0959cddb48bb865702c4deedce93f0

                              SHA256

                              389cf2f05efa70499b391e68feb8f9dd7efe8470abfef06276323c836a0e3c2e

                              SHA512

                              0bade33e592dbd48a09822ee9874d1ff8ec569c8b029f67205d422184783979b9c80907fd44ec19b0ec57f67e2de616b04416122c88b87df6c0949e7a368a9cc

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

                              Filesize

                              24KB

                              MD5

                              952a6e3cbc50f011cf2f04c9470080ff

                              SHA1

                              a0d6a2509af73e523c970f6e4351861bde63d6db

                              SHA256

                              faa79ba7dfd140106187ab50f14aa7cca13650f94f796419bc0a44d7a2b79d5f

                              SHA512

                              7955092a6086f05268e4b0f88648d9275020b6cad83f81c90eac5a7cd994cc243b8dfab579d4335db62f3577fd2d8a7fbefcad6cc615e2bcf1d014115056cde4

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

                              Filesize

                              24KB

                              MD5

                              74d9eb5260fef5b115bec73a0af9ac54

                              SHA1

                              18862574f0044f4591a2c3cf156db8f237787acf

                              SHA256

                              7d7e7b38664d625a0bbffbcb7882b175709e92987bf9da113c4745fafbbc361d

                              SHA512

                              b85917201b1d4b4542a4424ce40ddd083ddbd0e230e1931fe6f7cdd2aa3d8a0eec8daa743ddc5467f0a92da5594144c602081d941b216ca9cafdfd3c150d32d2

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

                              Filesize

                              16B

                              MD5

                              206702161f94c5cd39fadd03f4014d98

                              SHA1

                              bd8bfc144fb5326d21bd1531523d9fb50e1b600a

                              SHA256

                              1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

                              SHA512

                              0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\shared_proto_db\MANIFEST-000001

                              Filesize

                              41B

                              MD5

                              5af87dfd673ba2115e2fcf5cfdb727ab

                              SHA1

                              d5b5bbf396dc291274584ef71f444f420b6056f1

                              SHA256

                              f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4

                              SHA512

                              de34583a7dbafe4dd0dc0601e8f6906b9bc6a00c56c9323561204f77abbc0dc9007c480ffe4092ff2f194d54616caf50aecbd4a1e9583cae0c76ad6dd7c2375b

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

                              Filesize

                              16B

                              MD5

                              46295cac801e5d4857d09837238a6394

                              SHA1

                              44e0fa1b517dbf802b18faf0785eeea6ac51594b

                              SHA256

                              0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                              SHA512

                              8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

                              Filesize

                              8KB

                              MD5

                              34e123d689f8dc2d61e2c0dbc79e11e1

                              SHA1

                              f6c1b667a8a059272bdffc7e2d9e5588f2178bd3

                              SHA256

                              e02b4f103bc43cd4d22fe219be89576e701659157b1523a3490b30d87f05f3d0

                              SHA512

                              094b9da6ce4e7e15b9de7f7afd45fae5b766776c0b287d0aab39d3918ac8faf0bb580797e827ce1ea53b52cb3a558377f45059cdd50033c93e4800f1a7ad4f44

                            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ccba5a5986c77e43.customDestinations-ms

                              Filesize

                              3KB

                              MD5

                              2c166a153464db9006ebd92b5971f5a8

                              SHA1

                              81ce7a4ad95cb6ee6765db7e33f746c15145e172

                              SHA256

                              6d58ee0d8306e9460ebc6136e43ebeb9d96538df2c449d7b58ea42b7d4f6638f

                              SHA512

                              79d6731fac2f354ae1447d8874a7d8e015174476e422924048199f04c3dd4a317544871c77f34a4a5fafe0671a0fca27fbc02e7c85522248ddfed53897087cdf

                            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ccba5a5986c77e43.customDestinations-ms

                              Filesize

                              3KB

                              MD5

                              5469a12552c0e093cc39fb78026ad6ce

                              SHA1

                              29f7c86c4d0141108bbc48b70b5cd997f6b0e166

                              SHA256

                              3717b451e4c08222d3816d1e17d48777c89597a4704551a62e3721796f336ba9

                              SHA512

                              d953af8793b8673f1105cde21eed30d1720cda7eb77c041ca5c56e41b5a00ea326693a51f0a9232201ea0dc1ab22b5958ed8228823d7f3eb6baf747e253dbe0e