Analysis

  • user interaction
    yes
  • max time kernel
    8s
  • max time network
    20s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/08/2026, 10:33

General

  • Target
    unsubscribe.html
  • Size 13KB
  • Sample260804-mlxk6shf32
  • SHA256 12bbf7998c013baa12e71b6badf68c29319bf2624369c4cc4173d85049cb91cc
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
1/10

Malware Config

Signatures

  • Checks processor information in registry 2 TTPs 20 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 40 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\unsubscribe.html"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5280
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url C:\Users\Admin\AppData\Local\Temp\unsubscribe.html
      2⤵
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5344
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 1992 -prefsLen 27097 -prefMapHandle 1996 -prefMapSize 270279 -ipcHandle 2084 -initialChannelId {15be5eba-b840-4da2-b318-0af12346b5e9} -parentPid 5344 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5344" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
        3⤵
          PID:5352
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2448 -prefsLen 27133 -prefMapHandle 2452 -prefMapSize 270279 -ipcHandle 2460 -initialChannelId {16ab14e5-e387-4d56-b199-0682f54fc30c} -parentPid 5344 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5344" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
          3⤵
            PID:2060
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3776 -prefsLen 27274 -prefMapHandle 3780 -prefMapSize 270279 -jsInitHandle 3784 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3792 -initialChannelId {0eb48436-b931-45d3-aa6b-bc55ecb6f604} -parentPid 5344 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5344" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
            3⤵
            • Checks processor information in registry
            PID:5740
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3944 -prefsLen 27274 -prefMapHandle 3948 -prefMapSize 270279 -ipcHandle 4020 -initialChannelId {55863717-6c7a-4738-b050-8230fd1c9fa4} -parentPid 5344 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5344" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
            3⤵
              PID:4168
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4464 -prefsLen 34773 -prefMapHandle 4468 -prefMapSize 270279 -jsInitHandle 4472 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4480 -initialChannelId {4cf6b266-8938-4351-98ea-10f6f67aa8b3} -parentPid 5344 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5344" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
              3⤵
              • Checks processor information in registry
              PID:5880
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 1692 -prefsLen 34929 -prefMapHandle 1540 -prefMapSize 270279 -ipcHandle 2600 -initialChannelId {e7d33906-2e7d-4066-9972-bf1a0044db6c} -parentPid 5344 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5344" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
              3⤵
              • Checks processor information in registry
              PID:2964
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5424 -prefsLen 32952 -prefMapHandle 4032 -prefMapSize 270279 -jsInitHandle 4036 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3056 -initialChannelId {03aa6cca-be3d-4b2e-96cb-2e0332af1e04} -parentPid 5344 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5344" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
              3⤵
              • Checks processor information in registry
              PID:5260
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5348 -prefsLen 32952 -prefMapHandle 5576 -prefMapSize 270279 -jsInitHandle 5580 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5588 -initialChannelId {5331b620-d3fe-4c58-9fc0-bc0a3afd3db7} -parentPid 5344 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5344" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
              3⤵
              • Checks processor information in registry
              PID:3100
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5760 -prefsLen 32952 -prefMapHandle 5764 -prefMapSize 270279 -jsInitHandle 5768 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5776 -initialChannelId {7d836525-9334-457e-aa39-2067027e841c} -parentPid 5344 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5344" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
              3⤵
              • Checks processor information in registry
              PID:3496
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 2832 -prefsLen 35062 -prefMapHandle 5916 -prefMapSize 270279 -jsInitHandle 5792 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5920 -initialChannelId {49f9192e-39e2-4c77-9fe6-63b772d80509} -parentPid 5344 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5344" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 10 tab
              3⤵
              • Checks processor information in registry
              PID:1040
        • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe
          "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe" -ServerName:InputApp.AppXjd5de1g66v206tj52m9d0dtpppx4cgpn.mca
          1⤵
            PID:3944
          • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe
            "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe" -ServerName:InputApp.AppXjd5de1g66v206tj52m9d0dtpppx4cgpn.mca
            1⤵
              PID:4948

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  APPX.lqmwjm8etljv34q69h4czqr5d.tmp

                  • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\Temp\APPX.lqmwjm8etljv34q69h4czqr5d.tmp
                  • Size 2KB
                  • SHA256 4112d529734d33abda74478c199f6ddc5098767e69214a00d80f23d2ea7291ff
                  • MD5 SHA1 SHA512 TLSH

                  APPX.lt1v16hwef0cw0ss7isc8vc4g.tmp

                  • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\Temp\APPX.lt1v16hwef0cw0ss7isc8vc4g.tmp
                  • Size 9KB
                  • SHA256 92a7d7d3b0bfac458ddcef07afcdad3646653ba7f4ad048fdd7a5ec673235923
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  APPX.ug5_xxlbub_u55gbcylx6jf8c.tmp

                  • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\Temp\APPX.ug5_xxlbub_u55gbcylx6jf8c.tmp
                  • Size 1KB
                  • SHA256 b64efcb638291c1e1c132ed5636afbb198031cee44384f3ecf67d82b73accecc
                  • MD5 SHA1 SHA512 TLSH

                  localhost[1].xml

                  • Path C:\Users\Admin\AppData\Local\Packages\microsoftwindows.client.cbs_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\ZSNWVCK2\localhost[1].xml
                  • Size 13B
                  • SHA256 b71e4d17274636b97179ba2d97c742735b6510eb54f22893d3a2daff2ceb28db
                  • MD5 SHA1 SHA512

                  data.safe.tmp

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\qur8qcyx.default-release\datareporting\glean\db\data.safe.tmp
                  • Size 5KB
                  • SHA256 736358b195ff4f5a69c1a46d89411e6369aa1b7075dee0634b8970a410958506
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  data.safe.tmp

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\qur8qcyx.default-release\datareporting\glean\db\data.safe.tmp
                  • Size 6KB
                  • SHA256 1a85410b4243d27b60cac0d2c08399384e8b70a99f5987dd59a2c83234adafbb
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  data.safe.tmp

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\qur8qcyx.default-release\datareporting\glean\db\data.safe.tmp
                  • Size 5KB
                  • SHA256 2bd82dd7796c316b955727ac52c360a0e821ed6a3a98284e766fd417c625cdb4
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  02d87206-92de-45be-a38b-8b9a015857f1

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\qur8qcyx.default-release\datareporting\glean\pending_pings\02d87206-92de-45be-a38b-8b9a015857f1
                  • Size 883B
                  • SHA256 b84ca8a67b35508a5f9959a056ff45bb9788d5a89662aa562fe856f5b59f1b3a
                  • MD5 SHA1 SHA512 TLSH

                  2017a665-1be9-45ec-923e-07ba725879be

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\qur8qcyx.default-release\datareporting\glean\pending_pings\2017a665-1be9-45ec-923e-07ba725879be
                  • Size 16KB
                  • SHA256 69d7a022a5b4315150568e2831c0d5b967e57097385c4ff7e1ad2f4a12ca2767
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  31105b3e-6026-498a-a0e3-962fbd999c5c

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\qur8qcyx.default-release\datareporting\glean\pending_pings\31105b3e-6026-498a-a0e3-962fbd999c5c
                  • Size 235B
                  • SHA256 ea72d6782f67ee3646fd9eb0512926e73da190eb5a780da2dec51dd210ca5855
                  • MD5 SHA1 SHA512 TLSH

                  81488738-9189-4bb6-8783-6751208a98cb

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\qur8qcyx.default-release\datareporting\glean\pending_pings\81488738-9189-4bb6-8783-6751208a98cb
                  • Size 2KB
                  • SHA256 c4e209fd23f3f47bedf643b117171d01a155e71e2809eb05c10b4f5975a8fa49
                  • MD5 SHA1 SHA512 TLSH

                  b832494a-1ec1-458b-9a69-c44224dce8bc

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\qur8qcyx.default-release\datareporting\glean\pending_pings\b832494a-1ec1-458b-9a69-c44224dce8bc
                  • Size 886B
                  • SHA256 84d45374bd7ddc95dd9ae824c066705b660a968934dd368f40a1ecce7417c2b5
                  • MD5 SHA1 SHA512 TLSH

                  c730717b-c325-459f-813e-ffe05da1f23d

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\qur8qcyx.default-release\datareporting\glean\pending_pings\c730717b-c325-459f-813e-ffe05da1f23d
                  • Size 235B
                  • SHA256 c33441f85d58eb13dcfabf6b52998b9bbd630b0ec1cf80e4628a8b353ecdb2f8
                  • MD5 SHA1 SHA512 TLSH

                  prefs.js

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\qur8qcyx.default-release\prefs.js
                  • Size 6KB
                  • SHA256 94f3c6b350d790063bf429e607a3b1d88e77ddce77909bb7b8873cf152138d08
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  prefs.js

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\qur8qcyx.default-release\prefs.js
                  • Size 6KB
                  • SHA256 46a58664abd3f29c0451895775b1b6d72aac2766660d414e673a89be7653ffd1
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  3870112724rsegmnoittet-es.sqlite

                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\qur8qcyx.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
                  • Size 4.5MB
                  • SHA256 2d0e52e76e96a6ac8794c484d08af83d81570534de106050e958243bcc801949
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/4948-634-0x0000017593FE0000-0x00000175940E0000-memory.dmp