Analysis

  • user interaction
    yes
  • max time kernel
    148s
  • max time network
    163s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/09/2026, 15:04

General

  • Target
    resources/public/Xeno.dll
  • Size 2.3MB
  • Sample260919-sf2wlaszfx
  • SHA256 c015896a88b7dd391c1fcfb612d18ec2585ed74162d197f09c2f22bc9aa5545d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10

Malware Config

Signatures

  • Drops desktop.ini file(s) 3 IoCs
  • Checks processor information in registry 2 TTPs 21 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 21 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:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\resources\public\Xeno.dll,#1
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:3560
  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4276
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      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:244
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 1948 -prefsLen 27097 -prefMapHandle 1952 -prefMapSize 270279 -ipcHandle 2036 -initialChannelId {2ad8e64e-9423-4748-84ed-ff9da65e2cf0} -parentPid 244 -crashReporter "\\.\pipe\gecko-crash-server-pipe.244" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
        3⤵
          PID:3668
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2412 -prefsLen 27133 -prefMapHandle 2416 -prefMapSize 270279 -ipcHandle 2428 -initialChannelId {f65abf18-29f0-4b35-8b4d-c3374233b598} -parentPid 244 -crashReporter "\\.\pipe\gecko-crash-server-pipe.244" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
          3⤵
            PID:4348
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3672 -prefsLen 27274 -prefMapHandle 3676 -prefMapSize 270279 -jsInitHandle 3680 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3688 -initialChannelId {60b95b3e-5061-481b-98a1-fbdc5dd175da} -parentPid 244 -crashReporter "\\.\pipe\gecko-crash-server-pipe.244" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
            3⤵
            • Checks processor information in registry
            PID:4196
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3836 -prefsLen 27274 -prefMapHandle 3840 -prefMapSize 270279 -ipcHandle 3916 -initialChannelId {e428ed99-e2bb-4dd4-a6fe-986e48ce1d13} -parentPid 244 -crashReporter "\\.\pipe\gecko-crash-server-pipe.244" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
            3⤵
              PID:4268
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 2980 -prefsLen 34773 -prefMapHandle 2860 -prefMapSize 270279 -jsInitHandle 2864 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 1268 -initialChannelId {0f20c478-b93e-42f7-b9d4-fde7752ff768} -parentPid 244 -crashReporter "\\.\pipe\gecko-crash-server-pipe.244" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
              3⤵
              • Checks processor information in registry
              PID:2744
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 3256 -prefsLen 35010 -prefMapHandle 2832 -prefMapSize 270279 -ipcHandle 3084 -initialChannelId {1143270f-9dce-4ca0-9ea7-038fcd8f50b3} -parentPid 244 -crashReporter "\\.\pipe\gecko-crash-server-pipe.244" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
              3⤵
              • Checks processor information in registry
              PID:2820
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 1600 -prefsLen 32952 -prefMapHandle 5360 -prefMapSize 270279 -jsInitHandle 5400 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 2656 -initialChannelId {d88ea07e-9e54-4b20-90e4-c64c13be06e3} -parentPid 244 -crashReporter "\\.\pipe\gecko-crash-server-pipe.244" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
              3⤵
              • Checks processor information in registry
              PID:3200
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5476 -prefsLen 32952 -prefMapHandle 5472 -prefMapSize 270279 -jsInitHandle 5468 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4864 -initialChannelId {78ee5863-b987-4bd3-b44e-b677f298e813} -parentPid 244 -crashReporter "\\.\pipe\gecko-crash-server-pipe.244" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
              3⤵
              • Checks processor information in registry
              PID:756
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5812 -prefsLen 32952 -prefMapHandle 5816 -prefMapSize 270279 -jsInitHandle 5820 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5828 -initialChannelId {fb2b3d7a-9fb5-4417-a7a0-994d03df39a3} -parentPid 244 -crashReporter "\\.\pipe\gecko-crash-server-pipe.244" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
              3⤵
              • Checks processor information in registry
              PID:3680
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4780 -prefsLen 36664 -prefMapHandle 4768 -prefMapSize 270279 -jsInitHandle 4772 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 6476 -initialChannelId {692b596a-a1cc-4260-8ec8-8a439b0ebfae} -parentPid 244 -crashReporter "\\.\pipe\gecko-crash-server-pipe.244" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 10 tab
              3⤵
              • Checks processor information in registry
              PID:4616

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              AABAB860D2646FDCEACF8AAC0CD412654CE5E4C0

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\ej9v93ms.default-release\cache2\entries\AABAB860D2646FDCEACF8AAC0CD412654CE5E4C0
              • Size 16KB
              • SHA256 396e8c26db458750dac1383f7fad28db39e227a35cb6c2ee3739b7bb417b20c3
              • MD5 SHA1 SHA512 SSDEEP TLSH

              c7a28ebf-5a54-4ef5-be7b-17ee77909a46.zip

              • Path C:\Users\Admin\AppData\Local\Temp\c7a28ebf-5a54-4ef5-be7b-17ee77909a46.zip
              • Size 3.8MB
              • SHA256 7ec6431ba74ff3ef7328a596543aeb1c16d5d8276949d8b945f159d867b7dbb4
              • 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\ej9v93ms.default-release\datareporting\glean\db\data.safe.tmp
              • Size 34KB
              • SHA256 d71675ed93bc984a52f5578ba2329706f5417e016ee1c9f783dfe24b26788bb7
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\datareporting\glean\db\data.safe.tmp
              • Size 34KB
              • SHA256 3a6a03de91a8878085335f758de5b52a918da66d7a9bfda8b922af770269876e
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\datareporting\glean\db\data.safe.tmp
              • Size 5KB
              • SHA256 9313bb3d1cb0224a391c1b53c09b2da2329160bd74dd735bc8975c13e9be11ae
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\datareporting\glean\db\data.safe.tmp
              • Size 6KB
              • SHA256 21da7ae089a43fe2bfcd0a342e3714c3730916b35c248d268e7094a1f374f350
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\datareporting\glean\db\data.safe.tmp
              • Size 7KB
              • SHA256 ad4dc1f04a0a8efeaef21ec945afd6e2b36089cff5c43be7057bc5cb7bed6287
              • MD5 SHA1 SHA512 SSDEEP TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 b0e52f6b6d8aa9b1be57233f4065e5ef0829ad29aa193c136d91c453ea3b4e7a
              • MD5 SHA1 SHA512 TLSH

              02e42763-8600-49fe-90c3-a96d74941e24

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\datareporting\glean\pending_pings\02e42763-8600-49fe-90c3-a96d74941e24
              • Size 883B
              • SHA256 30e307f4e3a535367cf03e2c34a0bc2bbd6d9173c0c799adaefafc0cb953fd1b
              • MD5 SHA1 SHA512 TLSH

              5d1826fa-9f6b-48e3-b6f1-c383bf60640c

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\datareporting\glean\pending_pings\5d1826fa-9f6b-48e3-b6f1-c383bf60640c
              • Size 2KB
              • SHA256 3ab696365dffa4a1c30f5e763c75a70ba83522f5e99cc3a7600d92b181bf10e4
              • MD5 SHA1 SHA512 TLSH

              6b59e7b9-34eb-4c2f-a6de-e4ed59f3e904

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\datareporting\glean\pending_pings\6b59e7b9-34eb-4c2f-a6de-e4ed59f3e904
              • Size 235B
              • SHA256 d2e7a93383b02f8a0f5d9d261a11a2e42e32d0f49a1e64995fe6200517aef9e8
              • MD5 SHA1 SHA512 TLSH

              8620c873-cb40-4f09-ad2f-c3dcc03c4f3e

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\datareporting\glean\pending_pings\8620c873-cb40-4f09-ad2f-c3dcc03c4f3e
              • Size 235B
              • SHA256 8891d09a3867ccdc13fed1f908418bc8af50427390d145ec58414ee99994d783
              • MD5 SHA1 SHA512 TLSH

              c92e8da8-f30d-4212-84d3-e0316f922c57

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\datareporting\glean\pending_pings\c92e8da8-f30d-4212-84d3-e0316f922c57
              • Size 16KB
              • SHA256 0eb3c9eb6dd38b4cabe3c8860ee2d27123bb41f9a46977ee7312181477f35be0
              • MD5 SHA1 SHA512 SSDEEP TLSH

              d129d3e6-cf8e-43b1-8a71-a181893e67e5

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\datareporting\glean\pending_pings\d129d3e6-cf8e-43b1-8a71-a181893e67e5
              • Size 886B
              • SHA256 070aa6a2499c92e524f9fd67ec9208a6d2485c6930bfa7a741ae51b08baee4c8
              • MD5 SHA1 SHA512 TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\extensions.json
              • Size 16KB
              • SHA256 1cf8e6c1ff96f547b9a7b9af6254d6150eeb4d0214eb1056a955b29702c166eb
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.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\ej9v93ms.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\ej9v93ms.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\ej9v93ms.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\ej9v93ms.default-release\prefs-1.js
              • Size 6KB
              • SHA256 7b73b33235b8575852612495d5d27d97f9a520940c711eb3f9d664483dfc1622
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\prefs-1.js
              • Size 11KB
              • SHA256 a6e7809134f18723d57d13d8407029a4703e691ead146c2b22fe35ee2ab6aed7
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\prefs.js
              • Size 6KB
              • SHA256 5b09780ff2da9b76c13161b085384b7be994923f69939bd0abaf4aec631631c0
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\prefs.js
              • Size 7KB
              • SHA256 c0206510a6a449ff0b58924f508126619cfe3ebbd83ca810de9ad758e5883d52
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\prefs.js
              • Size 12KB
              • SHA256 e9d1c9fcc948feadc27e9ef225020d93e34235feb9ecd75864c26a57fd42ce76
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\prefs.js
              • Size 8KB
              • SHA256 c35a172554b1622b0cc043a86b127cfbf9ed6c063d884da8bd857aee2df80397
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\sessionstore-backups\recovery.baklz4
              • Size 1KB
              • SHA256 becd376322bc103cc21bad4614b4f84c95eca265cf6b149d6a3625ab7d5a3927
              • MD5 SHA1 SHA512 TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\sessionstore-backups\recovery.baklz4
              • Size 993B
              • SHA256 738e22600adb0d7c5e0d8ce2e29f813d5466216ac615eacaa8093db81d245b79
              • MD5 SHA1 SHA512 TLSH

              recovery.jsonlz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ej9v93ms.default-release\sessionstore-backups\recovery.jsonlz4
              • Size 4KB
              • SHA256 edb9258d41b4432e3224c6647b9b124943d784c265ba29966ae836d48393c9c0
              • MD5 SHA1 SHA512 SSDEEP TLSH