Analysis

  • max time kernel
    900s
  • max time network
    626s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/08/2026, 08:41

General

  • Target
    LICENSES.chromium.html
  • Size 14.6MB
  • Sample260804-kljcfa1wex
  • SHA256 6965e1b04dc81a012981508299e28542abff2bc7f418071c264f0b53e0c63f34
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10

Malware Config

Signatures

  • Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Drops desktop.ini file(s) 3 IoCs
  • Checks processor information in registry 2 TTPs 18 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 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\LICENSES.chromium.html"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url C:\Users\Admin\AppData\Local\Temp\LICENSES.chromium.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:3848
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2004 -prefsLen 27099 -prefMapHandle 2008 -prefMapSize 270279 -ipcHandle 2096 -initialChannelId {a28baa32-0142-4848-8538-b8795578e27d} -parentPid 3848 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3848" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
        3⤵
          PID:2052
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2496 -prefsLen 27135 -prefMapHandle 2500 -prefMapSize 270279 -ipcHandle 2508 -initialChannelId {837e720f-1900-41c5-9fd3-d7014d4c171a} -parentPid 3848 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3848" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
          3⤵
            PID:3544
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3884 -prefsLen 27276 -prefMapHandle 3888 -prefMapSize 270279 -jsInitHandle 3892 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3900 -initialChannelId {e5f6fdfa-3608-4994-b8e1-1bf040052d7e} -parentPid 3848 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3848" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
            3⤵
            • Checks processor information in registry
            PID:872
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 4048 -prefsLen 27276 -prefMapHandle 4052 -prefMapSize 270279 -ipcHandle 4124 -initialChannelId {4267ad0b-0163-46f9-9fbf-cc2eb1300eb9} -parentPid 3848 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3848" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
            3⤵
              PID:4720
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4408 -prefsLen 34775 -prefMapHandle 4412 -prefMapSize 270279 -jsInitHandle 4416 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4424 -initialChannelId {f7a31248-eef0-4cad-b6c1-ff5c7effd5aa} -parentPid 3848 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3848" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
              3⤵
              • Checks processor information in registry
              PID:1124
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 4952 -prefsLen 35012 -prefMapHandle 4956 -prefMapSize 270279 -ipcHandle 4880 -initialChannelId {d76cada1-7741-44f4-ae47-e28dc31243f3} -parentPid 3848 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3848" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
              3⤵
              • Checks processor information in registry
              PID:5376
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5128 -prefsLen 32952 -prefMapHandle 5132 -prefMapSize 270279 -jsInitHandle 5136 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5144 -initialChannelId {c61acce8-3133-47e1-ad99-4914e8ac359e} -parentPid 3848 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3848" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
              3⤵
              • Checks processor information in registry
              PID:5464
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5384 -prefsLen 32952 -prefMapHandle 5388 -prefMapSize 270279 -jsInitHandle 5392 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5400 -initialChannelId {45d24715-4438-4541-a52d-8e1b165b1e4d} -parentPid 3848 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3848" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
              3⤵
              • Checks processor information in registry
              PID:5476
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5576 -prefsLen 32952 -prefMapHandle 5580 -prefMapSize 270279 -jsInitHandle 5584 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5592 -initialChannelId {7bbb50dc-2d11-4dc1-acdd-c0ea26d3a9ed} -parentPid 3848 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3848" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
              3⤵
              • Checks processor information in registry
              PID:5496

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              activity-stream.contile.json

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\jaarrave.default-release\activity-stream.contile.json
              • Size 5KB
              • SHA256 70305a754bd19f25ddcfc4b11380e005d9c116e6233410aa64ec24c4c8b69695
              • MD5 SHA1 SHA512 SSDEEP TLSH

              activity-stream.discovery_stream.json

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\jaarrave.default-release\activity-stream.discovery_stream.json
              • Size 75KB
              • SHA256 f16e4b172f0fa1eff5abcd453de2b025288af25f0511a6e739bd6038025a024d
              • MD5 SHA1 SHA512 SSDEEP TLSH

              4E3D8FAAF804AAC616BC48BD4AFA8BE284516FCF

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\jaarrave.default-release\cache2\entries\4E3D8FAAF804AAC616BC48BD4AFA8BE284516FCF
              • Size 16KB
              • SHA256 f34f618772a5e852bec48c3d4c58c5e93f7ce1604662e6077bb44bf621838ddd
              • MD5 SHA1 SHA512 SSDEEP TLSH

              webext.sc.lz4

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\jaarrave.default-release\startupCache\webext.sc.lz4
              • Size 105KB
              • SHA256 a58b95d3a53e0adc5c294153337b21069b0f9e5e455d183d7ad7a17bb6a28fde
              • MD5 SHA1 SHA512 SSDEEP TLSH

              a9284b6a-574d-4812-bace-acae6095267f.zip

              • Path C:\Users\Admin\AppData\Local\Temp\a9284b6a-574d-4812-bace-acae6095267f.zip
              • Size 3.7MB
              • SHA256 5294294bc8f81626cad76fa46c1fdec8df4f6d7a05576adfecbaa571149f3daa
              • MD5 SHA1 SHA512 SSDEEP TLSH

              remote-settings-startup-bundle-

              • Path C:\Users\Admin\AppData\Local\Temp\remote-settings-startup-bundle-
              • Size 549KB
              • SHA256 cd5033ba8a5324e99f397173ea74bbad695449c3d055e7d273f0fa911d1b4d25
              • 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

              tmpaddon-1

              • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon-1
              • Size 21.6MB
              • SHA256 7b81444b063f81e77c527c5589e86836cc2f7328deb2772300ccc7dc9e2510c3
              • MD5 SHA1 SHA512 SSDEEP TLSH

              TKANLMJZUO2YA8RFL6IW.temp

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\TKANLMJZUO2YA8RFL6IW.temp
              • Size 7KB
              • SHA256 cba01b6a5d1c42065b730660a3561398f11a2b35c7c4d2cd98db011e69867c22
              • MD5 SHA1 SHA512 SSDEEP TLSH

              bookmarks-2026-08-04_10_1r3QjuuEAyuq8rfdNuSQxGdBu--ovWlb8cdqVdaEI4Q=.jsonlz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\bookmarkbackups\bookmarks-2026-08-04_10_1r3QjuuEAyuq8rfdNuSQxGdBu--ovWlb8cdqVdaEI4Q=.jsonlz4
              • Size 860B
              • SHA256 629340503afc116315e88bea6515c64c731d95afa8e334ec6f73e4be7815f2ab
              • MD5 SHA1 SHA512 TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\db\data.safe.tmp
              • Size 7KB
              • SHA256 6c062e21bbf74104709e559d544d76dcb0991a53f2c61943fda80c417e499ff8
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\db\data.safe.tmp
              • Size 27KB
              • SHA256 05507e63a8799a8cc54bcd9f9e2aba94eab8dfe1d6ed3178b090ae053e947d9a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\db\data.safe.tmp
              • Size 27KB
              • SHA256 4c7b621bfed3dcd8d563b3db608def66ee78ae7787819b0aa98fe0a78c36fdb1
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\db\data.safe.tmp
              • Size 27KB
              • SHA256 2c137ff38eafecc3534ab19dbdfbbb8ea2bbee4d92d21572c1d56dc44a53f8c1
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\db\data.safe.tmp
              • Size 27KB
              • SHA256 78003cb0b3b488b8dc154885300087d8c1dc0e5e03a4d6e2d35fdd4978ed5272
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\db\data.safe.tmp
              • Size 6KB
              • SHA256 228ede7bb7e15cf897970ff3617fe9dda56a97a9ae9e39cbc226678d660d8fc0
              • MD5 SHA1 SHA512 SSDEEP TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 0a428e5e3234f9caf8be0b44af86e8760c595ee46e0117047b90bef704ee3590
              • MD5 SHA1 SHA512 TLSH

              319202dd-1c60-43ec-9321-dd2bb01f4b53

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\pending_pings\319202dd-1c60-43ec-9321-dd2bb01f4b53
              • Size 235B
              • SHA256 c35e2d572d2f13199143422bee6a77fbc2a3f4aa127083a84d473be94882114a
              • MD5 SHA1 SHA512 TLSH

              4739b8e6-d5c4-4e91-8a43-2aaf28d111e1

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\pending_pings\4739b8e6-d5c4-4e91-8a43-2aaf28d111e1
              • Size 2KB
              • SHA256 622dbe1a6fa63e6b48db712cd64ff2efb7ce105b839b219058ad31f71d66b50d
              • MD5 SHA1 SHA512 TLSH

              7b0f5a9d-ff3a-4c4f-a7c2-f264ac839df6

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\pending_pings\7b0f5a9d-ff3a-4c4f-a7c2-f264ac839df6
              • Size 883B
              • SHA256 ab7c00cde5e7c27e8bbfda05ee80e66573fbad2bd6599eb879a2874a8a7395bf
              • MD5 SHA1 SHA512 TLSH

              83d4cc11-a3d4-4b20-9ab7-9e769dbba294

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\pending_pings\83d4cc11-a3d4-4b20-9ab7-9e769dbba294
              • Size 16KB
              • SHA256 e91ce717073c7eb63cbc5ee05d651fb8a9713916b21bbf7147667909a7804b84
              • MD5 SHA1 SHA512 SSDEEP TLSH

              bca1a33b-6438-4ce4-b0a0-442e87ab4ceb

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\pending_pings\bca1a33b-6438-4ce4-b0a0-442e87ab4ceb
              • Size 886B
              • SHA256 3e13b0307c89b05e1e2e0bedb65b53a96266e11f912b31193abc086a88c1bb19
              • MD5 SHA1 SHA512 TLSH

              bf6d5d7c-f10b-4f51-9980-1efd746c6fee

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\pending_pings\bf6d5d7c-f10b-4f51-9980-1efd746c6fee
              • Size 235B
              • SHA256 c129ba145861f8c7393fbac1e401e218c34b6899f9805f1630f35636c5866858
              • MD5 SHA1 SHA512 TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\extensions.json
              • Size 16KB
              • SHA256 e28f2086923bff11c46097a53d7e912b1276d1ae6654352261b636ce4633ad39
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.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\jaarrave.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\jaarrave.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\jaarrave.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\jaarrave.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\jaarrave.default-release\prefs-1.js
              • Size 11KB
              • SHA256 f8725443b87c1627093b78d58b6ecc95002d1797e42ce5e0f0195a2f79bc4c83
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\prefs-1.js
              • Size 6KB
              • SHA256 2c3e1d6fd207d483f7543038d7b97b7d2334ff3189243fb8949b7c5b8423eb76
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\prefs-1.js
              • Size 7KB
              • SHA256 5bed34d54b282028d9727bd0528cfe7c94233f79c2c0c38b842f9e7c898476c3
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\prefs.js
              • Size 6KB
              • SHA256 edc11177a8ccf791480e99f7f74713d637bcfabbb528f98b5733140069bd3695
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\prefs.js
              • Size 6KB
              • SHA256 3e5094c7e02022685935a0e3cc344bb2f3c7101a3555b05b2e519fc0abf1a6e6
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.jsonlz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\sessionstore-backups\recovery.jsonlz4
              • Size 1KB
              • SHA256 71027cbbf91a6553f5c182813ae601540b8ad20f585aab73273f189567be6589
              • MD5 SHA1 SHA512 TLSH