Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    26/08/2026, 02:02

General

  • Target
    http://studyhub.sunrise.org.uk
  • Sample260826-cgkeya1fja
Score
6/10

Malware Config

Signatures

  • Drops desktop.ini file(s) 3 IoCs
  • Checks processor information in registry 2 TTPs 22 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 10 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "http://studyhub.sunrise.org.uk"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4332
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url http://studyhub.sunrise.org.uk
      2⤵
      • Drops desktop.ini file(s)
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3892
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 1980 -prefsLen 27100 -prefMapHandle 1984 -prefMapSize 270279 -ipcHandle 2056 -initialChannelId {2992a891-c8a0-422c-a676-bdc49e638c33} -parentPid 3892 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3892" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
        3⤵
          PID:1428
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2468 -prefsLen 27136 -prefMapHandle 2472 -prefMapSize 270279 -ipcHandle 2480 -initialChannelId {6b8c12bd-9979-4ddc-a9f9-2d4458a2e85a} -parentPid 3892 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3892" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
          3⤵
            PID:4836
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3712 -prefsLen 25164 -prefMapHandle 3716 -prefMapSize 270279 -jsInitHandle 3720 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3728 -initialChannelId {2aa9c8f7-aa49-4608-a7fb-564cacd59dae} -parentPid 3892 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3892" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
            3⤵
            • Checks processor information in registry
            PID:3152
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3892 -prefsLen 27277 -prefMapHandle 3896 -prefMapSize 270279 -ipcHandle 3988 -initialChannelId {215506b8-0bb5-4acd-9390-23cc552cde9e} -parentPid 3892 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3892" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
            3⤵
              PID:2004
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4396 -prefsLen 34776 -prefMapHandle 4400 -prefMapSize 270279 -jsInitHandle 4404 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4236 -initialChannelId {c79ad60c-dd9e-43b5-8cc7-0e16b645849a} -parentPid 3892 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3892" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
              3⤵
              • Checks processor information in registry
              PID:1900
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 5056 -prefsLen 35013 -prefMapHandle 5052 -prefMapSize 270279 -ipcHandle 4980 -initialChannelId {034d8d86-b28a-455d-bbba-846cf02d5325} -parentPid 3892 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3892" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
              3⤵
              • Checks processor information in registry
              PID:1740
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5176 -prefsLen 32900 -prefMapHandle 5180 -prefMapSize 270279 -jsInitHandle 5184 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5200 -initialChannelId {cf0dd0f3-da23-4ede-a4dc-f7bdf3959828} -parentPid 3892 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3892" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
              3⤵
              • Checks processor information in registry
              PID:4500
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5392 -prefsLen 32952 -prefMapHandle 5184 -prefMapSize 270279 -jsInitHandle 5180 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5268 -initialChannelId {f8b5736a-bbc7-4ef7-9d9c-a3556ca77cfe} -parentPid 3892 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3892" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
              3⤵
              • Checks processor information in registry
              PID:320
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5508 -prefsLen 32952 -prefMapHandle 5512 -prefMapSize 270279 -jsInitHandle 5516 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5524 -initialChannelId {4b728b61-a86b-47f4-9c40-7adc86966be9} -parentPid 3892 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3892" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
              3⤵
              • Checks processor information in registry
              PID:3512
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3780 -prefsLen 32952 -prefMapHandle 3784 -prefMapSize 270279 -jsInitHandle 3768 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3832 -initialChannelId {ae4343c7-4bfe-4378-b969-b1eb8c443588} -parentPid 3892 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3892" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 10 tab
              3⤵
              • Checks processor information in registry
              PID:1184
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 6092 -prefsLen 32952 -prefMapHandle 6176 -prefMapSize 270279 -jsInitHandle 6180 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 6052 -initialChannelId {a0b69aa3-9a07-4266-96d5-4363b5aec46f} -parentPid 3892 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3892" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 11 tab
              3⤵
              • Checks processor information in registry
              PID:4260

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              15707

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\0olu2cg3.default-release\cache2\doomed\15707
              • Size 38KB
              • SHA256 7f187c8ce3537f1dcbf76317b8e2b916725515549e6161bbc046ded4d40ce8cd
              • MD5 SHA1 SHA512 SSDEEP TLSH

              5E43012191E7B1F510ACD5BF039D8BF1B9A277B2

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\0olu2cg3.default-release\cache2\entries\5E43012191E7B1F510ACD5BF039D8BF1B9A277B2
              • Size 16KB
              • SHA256 d88f1e3460a8f30eb3581bcbcd9bb17ef2fce85bf909ddbaa62299d459e20ddc
              • MD5 SHA1 SHA512 SSDEEP TLSH

              86DDBDE5E1EAFC4C588EE71FB531985C95CCC542

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\0olu2cg3.default-release\cache2\entries\86DDBDE5E1EAFC4C588EE71FB531985C95CCC542
              • Size 16KB
              • SHA256 7387db69bbcd3bfc5aace9718620bf6ae5ffc8db34bee0ddf9938eb9a497c8db
              • MD5 SHA1 SHA512 SSDEEP TLSH

              D647A09B68F9B8C68433DF885FF6E743CF626774

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\0olu2cg3.default-release\cache2\entries\D647A09B68F9B8C68433DF885FF6E743CF626774
              • Size 11KB
              • SHA256 6053c80633326f670faa3d3186355f002ee932990f8b6b84e7e12086b8372ee5
              • MD5 SHA1 SHA512 SSDEEP TLSH

              981b130c-faf1-4df9-b3ca-9c975d17c3cd.zip

              • Path C:\Users\Admin\AppData\Local\Temp\981b130c-faf1-4df9-b3ca-9c975d17c3cd.zip
              • Size 3.8MB
              • SHA256 d08c73dd1f32fbd201ba90d0c877f9b972739c0e1fee4f6d816445be1c58fb08
              • MD5 SHA1 SHA512 SSDEEP TLSH

              tmpaddon

              • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
              • Size 11KB
              • SHA256 ddf3ba4e25a622276755133e0cce5605b83719c7cab3546e09acbfed00d6a986
              • MD5 SHA1 SHA512 SSDEEP TLSH

              tmpaddon

              • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
              • Size 21.6MB
              • SHA256 7b81444b063f81e77c527c5589e86836cc2f7328deb2772300ccc7dc9e2510c3
              • MD5 SHA1 SHA512 SSDEEP TLSH

              tmpaddon

              • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
              • Size 502KB
              • SHA256 87862f4bc8559fbe578389a9501dc01c4c585edb4bb03b238493327296d60171
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\datareporting\glean\db\data.safe.tmp
              • Size 27KB
              • SHA256 d010a572874aa2c7d14318f0c338808251241c104385c3f2ed0fab44cbd4384e
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\datareporting\glean\db\data.safe.tmp
              • Size 45KB
              • SHA256 a92a3b5dfbec9086d778d91dee8b0286b24eda3d2d5c0725c09cb8d2701d91aa
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\datareporting\glean\db\data.safe.tmp
              • Size 28KB
              • SHA256 9bba38df917a8d49f6a7e3802423308d1669cda57d21dbad911689d85af637f2
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\datareporting\glean\db\data.safe.tmp
              • Size 45KB
              • SHA256 93f60d24919369a12760551ce554fe63b7a43017c5d44ede854e4c727ca64374
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\datareporting\glean\db\data.safe.tmp
              • Size 45KB
              • SHA256 0cc4f888f692556ac99200d1d056b186af257d1231033cb2a2d5cc7151aded43
              • MD5 SHA1 SHA512 SSDEEP TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 18a623de310d5f97fac8ea3d631297979f805478196430794f137b7a9396839c
              • MD5 SHA1 SHA512 TLSH

              0137dd48-ff5a-4144-8c08-be340f052f73

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\datareporting\glean\pending_pings\0137dd48-ff5a-4144-8c08-be340f052f73
              • Size 235B
              • SHA256 47c11781ff9aee6689b527b30731747d9614828ac4cb9e02eb9a9f3c546d6ac7
              • MD5 SHA1 SHA512 TLSH

              019195ad-bb1e-4c02-a972-ede01490ab16

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\datareporting\glean\pending_pings\019195ad-bb1e-4c02-a972-ede01490ab16
              • Size 871B
              • SHA256 6b22e5f1fbd14eab44a78ea30ee5f15b5d159504a6fdbbb2dd87762c7c0f5dc6
              • MD5 SHA1 SHA512 TLSH

              1382982f-b0af-4c73-b27b-f9ca0f466320

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\datareporting\glean\pending_pings\1382982f-b0af-4c73-b27b-f9ca0f466320
              • Size 235B
              • SHA256 de9da18bc1979a17a3268976d5e5c830a373d4b1b78915f48c7a6af5c800bd98
              • MD5 SHA1 SHA512 TLSH

              399f739c-ae70-43ae-bb43-5716467dedc0

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\datareporting\glean\pending_pings\399f739c-ae70-43ae-bb43-5716467dedc0
              • Size 886B
              • SHA256 1b09f75dc3950dd7b3a2bcf506e49cc9e4a7fd7baec82cd8bb49ba99d8f238ea
              • MD5 SHA1 SHA512 TLSH

              9b08eeea-a3a9-4c70-bf89-c0eb66f61866

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\datareporting\glean\pending_pings\9b08eeea-a3a9-4c70-bf89-c0eb66f61866
              • Size 2KB
              • SHA256 9c97ab798455fd9c6f4f220705f6b079cc3a9bef24e004b6742198f8110988e5
              • MD5 SHA1 SHA512 TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\extensions.json
              • Size 16KB
              • SHA256 32b00c540ec069f93d73f97871fdc2306e869e0a86132fe56a5ce863c0a54831
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\gmp-gmpopenh264\2.6.0\gmpopenh264.dll
              • Size 1.1MB
              • SHA256 37c005a7789747b412d6c0a6a4c30d15732da3d857b4f94b744be1a67231b651
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.info

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\gmp-gmpopenh264\2.6.0\gmpopenh264.info
              • Size 116B
              • SHA256 fe7686a6281f0ab519c32c788ce0da0d01640425018dcffcfcb81105757f6fe6
              • MD5 SHA1 SHA512 TLSH

              LICENSE.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\gmp-widevinecdm\4.10.3050.0\LICENSE.tmp
              • Size 473B
              • SHA256 20de375707692099b3132084695377ce5fec0aec05813dedcce094b8eda44386
              • MD5 SHA1 SHA512 TLSH

              manifest.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\gmp-widevinecdm\4.10.3050.0\manifest.json
              • Size 1002B
              • SHA256 2894996540fabbd346ed4ced8386ca77d6badf60372e307ee15c906c30340d0d
              • MD5 SHA1 SHA512 TLSH

              widevinecdm.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\gmp-widevinecdm\4.10.3050.0\widevinecdm.dll
              • Size 21.6MB
              • SHA256 f1216e26ee8c27f938d7722427d29f190e569ed83d0ba16ea872cae684b97602
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\prefs-1.js
              • Size 8KB
              • SHA256 bef2c775e786d647e1df8b5b9d70631c7b7060c17b4d334e6fb98a561704ccce
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\prefs.js
              • Size 6KB
              • SHA256 0e3204b311f99575a778ef40b1b4479e11bab03300a728c551fd7a23b73f805e
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\prefs.js
              • Size 6KB
              • SHA256 69b0d4a424dd71c0fed7ab2d707f441714fbf3e20974df91f6ab2960e2d63a16
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\prefs.js
              • Size 7KB
              • SHA256 1d47a4d41d3aaa4c863a604d0561de1100a0a74dd5cdd3f12709512706a1d5ab
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\prefs.js
              • Size 6KB
              • SHA256 ff2d78297e1d2c9efd88f475326ff704eb13b7c0cbc4cfcc5f9dd854a9ae758a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.jsonlz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\sessionstore-backups\recovery.jsonlz4
              • Size 1KB
              • SHA256 9cc16af4a82b7525df55132762ae012ba10e66cc3211c02ae61115f03392015d
              • MD5 SHA1 SHA512 TLSH

              {4870f5b1-d3cf-42e2-be8b-c338aff2f119}.final

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\storage\default\https+++studyhub.sunrise.org.uk\cache\morgue\25\{4870f5b1-d3cf-42e2-be8b-c338aff2f119}.final
              • Size 307B
              • SHA256 e82afe0e9091fc1a1fcfe1059416668d64615a3902f2c4666dd02535662a3821
              • MD5 SHA1 SHA512 TLSH

              {413b82eb-ee0a-4bf2-8fc8-bfef8113aa5f}.final

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\storage\default\https+++studyhub.sunrise.org.uk\cache\morgue\95\{413b82eb-ee0a-4bf2-8fc8-bfef8113aa5f}.final
              • Size 1KB
              • SHA256 9d4e6b527e9885d2ebc052835f68d548fff4e149622fb509f5b63a04cb96d0e2
              • MD5 SHA1 SHA512 TLSH

              3870112724rsegmnoittet-es.sqlite

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
              • Size 13.5MB
              • SHA256 e1d4e10de46c9a2d68d6f46d59e3619f7a820e4e832e3cef76d4d26ba0200527
              • MD5 SHA1 SHA512 SSDEEP TLSH

              3870112724rsegmnoittet-es.sqlite

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\0olu2cg3.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
              • Size 13.5MB
              • SHA256 ecdf6559fceda6dbdb714f74dd85c3e591d39011c3e5b00e82291dc05fe82a7b
              • MD5 SHA1 SHA512 SSDEEP TLSH