Analysis

  • user interaction
    yes
  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-es
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-eslocale:es-esos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 07:56

General

  • Target
    sample.html
  • Size 1KB
  • Sample260930-jsvtdaxtgy
  • SHA256 95a4a308783ad305beebf00bd655b2c533f86b2b8bea7c956b682c124d4e587a
  • MD5 SHA1 SHA512 TLSH
Score
6/10

Malware Config

Signatures

  • Drops desktop.ini file(s) 3 IoCs
  • Checks processor information in registry 2 TTPs 19 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 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 36 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 "C:\Users\Admin\AppData\Local\Temp\sample.html"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4688
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url C:\Users\Admin\AppData\Local\Temp\sample.html
      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:4396
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 1956 -prefsLen 27097 -prefMapHandle 1960 -prefMapSize 270279 -ipcHandle 2044 -initialChannelId {6fdce8a1-566b-4b9e-b26f-02c8f8555560} -parentPid 4396 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4396" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
        3⤵
          PID:4868
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2436 -prefsLen 27133 -prefMapHandle 2440 -prefMapSize 270279 -ipcHandle 2448 -initialChannelId {fddca0f5-8e11-4fd7-be8f-7851ba71f5d8} -parentPid 4396 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4396" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
          3⤵
            PID:4860
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3724 -prefsLen 27274 -prefMapHandle 3728 -prefMapSize 270279 -jsInitHandle 3732 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3740 -initialChannelId {8bfb8c0d-519a-41ba-af23-335efa91a7b7} -parentPid 4396 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4396" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
            3⤵
            • Checks processor information in registry
            PID:356
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3904 -prefsLen 27274 -prefMapHandle 3908 -prefMapSize 270279 -ipcHandle 3728 -initialChannelId {6590e0c6-7106-47bd-92cf-e50de349aa26} -parentPid 4396 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4396" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
            3⤵
              PID:4520
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4436 -prefsLen 34773 -prefMapHandle 4440 -prefMapSize 270279 -jsInitHandle 4444 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4456 -initialChannelId {9365dda5-b552-4047-b408-cb64011c36c0} -parentPid 4396 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4396" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
              3⤵
              • Checks processor information in registry
              PID:3476
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 5056 -prefsLen 35010 -prefMapHandle 5140 -prefMapSize 270279 -ipcHandle 5204 -initialChannelId {aeefd409-2700-42b6-a014-c9d2268b4336} -parentPid 4396 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4396" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
              3⤵
              • Checks processor information in registry
              PID:5144
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4600 -prefsLen 32952 -prefMapHandle 2716 -prefMapSize 270279 -jsInitHandle 2936 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5472 -initialChannelId {eaaa949f-e967-431a-8c8c-cb24e7dff9af} -parentPid 4396 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4396" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
              3⤵
              • Checks processor information in registry
              PID:4272
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4684 -prefsLen 32952 -prefMapHandle 5456 -prefMapSize 270279 -jsInitHandle 5452 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5480 -initialChannelId {4c279fd4-2a58-4fb5-89fe-1f77e0ab491a} -parentPid 4396 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4396" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
              3⤵
              • Checks processor information in registry
              PID:5548
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5808 -prefsLen 32952 -prefMapHandle 5812 -prefMapSize 270279 -jsInitHandle 5816 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5824 -initialChannelId {38eb1085-2aa4-4650-810c-4061d2fb7018} -parentPid 4396 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4396" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
              3⤵
              • Checks processor information in registry
              PID:4008

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              AABAB860D2646FDCEACF8AAC0CD412654CE5E4C0

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\8z6dgki7.default-release\cache2\entries\AABAB860D2646FDCEACF8AAC0CD412654CE5E4C0
              • Size 16KB
              • SHA256 be9a18da84f91b5dd9684245993a959a91a6437a0684968b7438e8ddcf6a40f5
              • 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 502KB
              • SHA256 87862f4bc8559fbe578389a9501dc01c4c585edb4bb03b238493327296d60171
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.default-release\datareporting\glean\db\data.safe.tmp
              • Size 7KB
              • SHA256 f1c470172e60b5f7b895f5d63b142917bf12eb89771088425a39d2f697ab2076
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.default-release\datareporting\glean\db\data.safe.tmp
              • Size 39KB
              • SHA256 3e15b8b480efdbab462d93801b993519ac2192028ecb692757121d31eb4da773
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.default-release\datareporting\glean\db\data.safe.tmp
              • Size 27KB
              • SHA256 e4d71b7a46c32b8171b83f76a67f1482559517986a91ef1ad0d525a71816363d
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.default-release\datareporting\glean\db\data.safe.tmp
              • Size 39KB
              • SHA256 ac8a8c4a93cdcbbdb7ac6e6a62c850f797769fb9307caf88a026dd90adbcdc7b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.default-release\datareporting\glean\db\data.safe.tmp
              • Size 39KB
              • SHA256 6e5d9613018a93a696612ff8a906a493ff346f38e3cac8531e2357a158b9d7b0
              • MD5 SHA1 SHA512 SSDEEP TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 f3019945bd83043c92fc5e52f59b17b654780850df804080d0aa7042d9c55980
              • MD5 SHA1 SHA512 TLSH

              07ab08fc-6483-4d21-849b-f1eda15c086a

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.default-release\datareporting\glean\pending_pings\07ab08fc-6483-4d21-849b-f1eda15c086a
              • Size 235B
              • SHA256 d2466d2b8433485284f475253b54493770280ad8ff36ade424ccef79abea37e2
              • MD5 SHA1 SHA512 TLSH

              131b776d-5d09-4916-bdda-367e15889daa

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.default-release\datareporting\glean\pending_pings\131b776d-5d09-4916-bdda-367e15889daa
              • Size 883B
              • SHA256 7920fd8dcd0a9cca35cdfa897d3d9180e070a4b69bb8a2c83676a9494e293859
              • MD5 SHA1 SHA512 TLSH

              2820d89a-768d-4a51-8a9d-f8b7842caa46

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.default-release\datareporting\glean\pending_pings\2820d89a-768d-4a51-8a9d-f8b7842caa46
              • Size 235B
              • SHA256 a694ed8d9c1bde8dad894d816d6e90340894323d804ab06e1a28971c0282563a
              • MD5 SHA1 SHA512 TLSH

              4d08d43d-1c57-4123-97aa-e3c0bc2792a4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.default-release\datareporting\glean\pending_pings\4d08d43d-1c57-4123-97aa-e3c0bc2792a4
              • Size 2KB
              • SHA256 7611fb7796b65318273120c39128904a7d36c6e874f4c29e11b4d118280b2e15
              • MD5 SHA1 SHA512 TLSH

              55829db6-8b91-491b-bb57-9b7f23a68274

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.default-release\datareporting\glean\pending_pings\55829db6-8b91-491b-bb57-9b7f23a68274
              • Size 886B
              • SHA256 77f3d42a9bd050a502a11bf85019d6a09f0d6fd035c7aad1a3c57ad71bcc7353
              • MD5 SHA1 SHA512 TLSH

              6316872c-3951-416c-81d3-147dddc2d218

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.default-release\datareporting\glean\pending_pings\6316872c-3951-416c-81d3-147dddc2d218
              • Size 16KB
              • SHA256 7dce3660c60015c3e88d5dc12e39cb9a4cec111d926c09491b6f1781e66ee073
              • MD5 SHA1 SHA512 SSDEEP TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.default-release\extensions.json
              • Size 16KB
              • SHA256 98b542fbd755c913ba284dfebc7688891dcaf50f32a8c09079c215fce8ed9026
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.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\8z6dgki7.default-release\gmp-gmpopenh264\2.6.0\gmpopenh264.info
              • Size 116B
              • SHA256 fe7686a6281f0ab519c32c788ce0da0d01640425018dcffcfcb81105757f6fe6
              • MD5 SHA1 SHA512 TLSH

              manifest.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.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\8z6dgki7.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\8z6dgki7.default-release\prefs-1.js
              • Size 8KB
              • SHA256 59edd11e2e0b3aca39648290cb1033990b7a1cd68b32a2d8f7fda74a8f3284d9
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.default-release\prefs-1.js
              • Size 6KB
              • SHA256 67091c141e8e183dfdcc7094e834e2ce87be9b64fa21123ca57a32ac76629122
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.default-release\prefs.js
              • Size 6KB
              • SHA256 1d2f8d223916a828f7efa5ed642af1fe1f7bab27e16cfbb88eade7d832e87182
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.default-release\sessionstore-backups\recovery.baklz4
              • Size 1KB
              • SHA256 c9b28f1359752cb286a6342c17751da474dcefd3cf38658e27759cc977f81b88
              • MD5 SHA1 SHA512 TLSH

              recovery.jsonlz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.default-release\sessionstore-backups\recovery.jsonlz4
              • Size 1KB
              • SHA256 0274a7d0c667f1aa05661490315313c71098114ace4d0bce9b224c4fbee6d11e
              • MD5 SHA1 SHA512 TLSH

              3870112724rsegmnoittet-es.sqlite

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\8z6dgki7.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
              • Size 5.5MB
              • SHA256 014619d0bf69c84312374e9c5bac7c6c4cb046d30c731ae22dc4e52b01f0e2c1
              • MD5 SHA1 SHA512 SSDEEP TLSH