Analysis

  • max time kernel
    145s
  • max time network
    141s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    10-01-2025 17:48

General

  • Target

    https://aka.ms/o0ukef

Malware Config

Signatures

  • Detected potential entity reuse from brand MICROSOFT.
  • 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 7 IoCs
  • Suspicious use of FindShellTrayWindow 26 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://aka.ms/o0ukef
    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:1876
    • 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,0x100,0x130,0x7fff17f046f8,0x7fff17f04708,0x7fff17f04718
      2⤵
        PID:2984
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,17060412825877641614,11857971495991077735,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2124 /prefetch:2
        2⤵
          PID:776
        • 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=2088,17060412825877641614,11857971495991077735,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2236 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4584
        • 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=2088,17060412825877641614,11857971495991077735,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2796 /prefetch:8
          2⤵
            PID:4760
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,17060412825877641614,11857971495991077735,131072 --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=3436 /prefetch:1
            2⤵
              PID:1700
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,17060412825877641614,11857971495991077735,131072 --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=3444 /prefetch:1
              2⤵
                PID:1584
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,17060412825877641614,11857971495991077735,131072 --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=5516 /prefetch:1
                2⤵
                  PID:3948
                • 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=2088,17060412825877641614,11857971495991077735,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4904 /prefetch:8
                  2⤵
                    PID:2188
                  • 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:3512
                    • 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,0x250,0x224,0x254,0x7ff63ee75460,0x7ff63ee75470,0x7ff63ee75480
                      3⤵
                        PID:3428
                    • 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=2088,17060412825877641614,11857971495991077735,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4904 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:2932
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,17060412825877641614,11857971495991077735,131072 --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=5848 /prefetch:1
                      2⤵
                        PID:824
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,17060412825877641614,11857971495991077735,131072 --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=3700 /prefetch:1
                        2⤵
                          PID:3120
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,17060412825877641614,11857971495991077735,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6300 /prefetch:1
                          2⤵
                            PID:3944
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,17060412825877641614,11857971495991077735,131072 --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=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6328 /prefetch:1
                            2⤵
                              PID:3436
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,17060412825877641614,11857971495991077735,131072 --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=3876 /prefetch:2
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:3296
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:3248
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:1856

                              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

                                e8978379b8b4dac705f196c82cddb401

                                SHA1

                                873169c69e4aaa8c3e1da1c95f3fc6b005f63112

                                SHA256

                                83528bc9af5e037e40f14bece26788301e4555a6164b31e6010d93d7d18f0afa

                                SHA512

                                2d73194d03ea51d4154ee9556950dee1e666720c4b53fe671cf2e7647889d480c2941757d6b9b4c60a29a6799478450136f4847b0bec5d4b6aa630d9ca856308

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

                                Filesize

                                152B

                                MD5

                                c8c74ab5c035388c9f8ca42d04225ed8

                                SHA1

                                1bb47394d88b472e3f163c39261a20b7a4aa3dc0

                                SHA256

                                ea821d15371cdfef9f4c01c71fbe39f9db7bfd61e6a83e09b14886c5756cd9d9

                                SHA512

                                88922af80d561b3cf10963160d245044554f9011e4aec4fd40c740b06e5e87e9bc16ed309e296f549d9244b6cc93f627d6dd010eb2d325b38cbb1d43d8b95157

                              • 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\Extension State\MANIFEST-000001

                                Filesize

                                41B

                                MD5

                                5af87dfd673ba2115e2fcf5cfdb727ab

                                SHA1

                                d5b5bbf396dc291274584ef71f444f420b6056f1

                                SHA256

                                f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4

                                SHA512

                                de34583a7dbafe4dd0dc0601e8f6906b9bc6a00c56c9323561204f77abbc0dc9007c480ffe4092ff2f194d54616caf50aecbd4a1e9583cae0c76ad6dd7c2375b

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

                                Filesize

                                543B

                                MD5

                                8d0613be9f2f27c1aaf3636313c48758

                                SHA1

                                41b92ff92f301779fe1e263bb1c1b8bfa8dcecc8

                                SHA256

                                af5820c57824d570b5ee9abe836508798460555975523f127666047dd7edb850

                                SHA512

                                8d2a327302d170c193c6879b9a1905e4c60d5064c528137dac1579c0b534e4e013cbd51455b138d8369de736ed26973c11865e9b1c2872e1032c7025390a111b

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State~RFe58a88f.TMP

                                Filesize

                                59B

                                MD5

                                2800881c775077e1c4b6e06bf4676de4

                                SHA1

                                2873631068c8b3b9495638c865915be822442c8b

                                SHA256

                                226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974

                                SHA512

                                e342407ab65cc68f1b3fd706cd0a37680a0864ffd30a6539730180ede2cdcd732cc97ae0b9ef7db12da5c0f83e429df0840dbf7596aca859a0301665e517377b

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

                                Filesize

                                5KB

                                MD5

                                7d7250bf83bc70b7dd3d19013f010055

                                SHA1

                                784abbee430c48ef7f11c15efb1aff059e853f19

                                SHA256

                                bb79232c3e3c7a2eeb5cddf69a03ab8414e47755009962a2eaa2af77efeb6148

                                SHA512

                                b11dbd9e3e3b82e74194162999b674e9ed986a6d485189c3612cf796a96038c27925e9682e21baee2a7dbc251300b55390980c9679e9525db442208a1afcf00c

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

                                Filesize

                                5KB

                                MD5

                                e7d2e021307ce9e2562157a52bcdc8c8

                                SHA1

                                4781f90a46ef7bf8a063419ac8920be7d4a1db89

                                SHA256

                                6d2e2b222935b04df205827bfbcef586ade216f9895f58cb9e909c12a421b6ab

                                SHA512

                                efcd8acbd05868dece0d10cee8ed6b627527ffbcda2e58b91309e6aa86ea3fa27d763f53e77b17de0a3212c247157a272d880b0b0a268b8c81bf729ab5d48cc6

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

                                Filesize

                                5KB

                                MD5

                                a9d7870d54930562d17ee29652e65a3f

                                SHA1

                                d36f9164497219ac4c1d7345c9f8bcb84b515ba3

                                SHA256

                                4fd9db2aaa83b42691efa5567be8737f96f2c8706c1be22258cf323edb96c32b

                                SHA512

                                2ed75588929f9b29ee117696ce62618b4ef6e1df74bb60e62503073f763e1f5b92f4edfdcd5333e7aed44612208e526853f8d678f543e60c018b2656ddc88859

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

                                Filesize

                                24KB

                                MD5

                                671cfbd0275770e681ef4ede37140969

                                SHA1

                                ac145dd046e86ab6aff6340664c509c4fd5f1746

                                SHA256

                                dfafdb318c177ff96d9b85ed518f229398c3f5161f0ca48ff427516292b9d823

                                SHA512

                                d76a8d3a91d1e5e84b35cfa815736c1d0bd7252381f4e540a8d7102385224167b995f698559c95fa18ed3a50e14a58fb0a96bcedb57d4770df50f98c6d331faf

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

                                Filesize

                                24KB

                                MD5

                                55182d891d98ec9d988cec04bac8752d

                                SHA1

                                e18a06e1498ff69c1c2697df7e195cf922a92e01

                                SHA256

                                08dc082566b36f693f93e341a5eb4e93a95d5bfed35b952f5ddcf4a5d51e963d

                                SHA512

                                35b9bf0c05da26bcebb4e259deca27c84e28521aff5a27af8205624581d1b0a7da6350ee7de0a2329c9cbc1d8cf205c1487638196232cbe794aaa91b0d86d0f7

                              • 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\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

                                74edfde99a0054b6dbc28739da875452

                                SHA1

                                3d2cf914fa0fe6ccba072c42d306138412b34439

                                SHA256

                                a6510151487f7f0244a882d8e8dfe5bf91ebedb47e3e44c1154bc1693e84cb88

                                SHA512

                                32920bb1fad21216ade84a72631c5db91963c1ca979cc30e7d72e145f481378c52d4cdf28c412c70d45efe15250f3c29f8eda2d6e6c37f778570d2b5fc59d43f

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

                                Filesize

                                3KB

                                MD5

                                10a2af8bb0e1fc339d845ea168742273

                                SHA1

                                d116e109451ca4331554af86cfc0d771faf78d83

                                SHA256

                                7d09a3a2113c89d912869cfc29965f4d1b5ac2854bf1390c2f19318f19b4a005

                                SHA512

                                ff6525485f11e955556eb762f48d9bd3cd69da7bf010f9936f7be474d413ba6a419cc6a7b190009dfa43527a35b7b15955f31108a8a943040a13d822e0bddc73

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

                                Filesize

                                3KB

                                MD5

                                d30ccf48e141f55d6326dc2d27818d51

                                SHA1

                                bc7680e45b1a9869adcdd311d8b93858b0d82444

                                SHA256

                                7896744a8e14e0c6ec9339abc5231cf9d796cdaac9ea529b8ffd89bd8c19c8ef

                                SHA512

                                fd41494ba29cbe67be5a4f0f9b2cb44d37f0ddd720e553825280da2416841458c382088305aa6eb8dcfb72fbba212e7588d47e6a40361d0271c2a0d5c62a9aef