Analysis

  • user interaction
    yes
  • max time kernel
    22s
  • max time network
    24s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    25/04/2026, 03:40

General

  • Target
    https://spoo.me/yOVzwj
  • Sample260425-d8av9aev5x

Malware Config

Signatures

  • Contacts third-party web service commonly abused for C2 1 TTPs 7 IoCs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 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 "https://spoo.me/yOVzwj"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4608
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url https://spoo.me/yOVzwj
      2⤵
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5084
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 1968 -prefsLen 27097 -prefMapHandle 1972 -prefMapSize 270279 -ipcHandle 2044 -initialChannelId {34b30820-e771-42db-b623-b37a9f2718a2} -parentPid 5084 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5084" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
        3⤵
          PID:4936
        • 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 2436 -initialChannelId {85235bcf-a81a-4919-88ce-5cb1412ead19} -parentPid 5084 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5084" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
          3⤵
            PID:3748
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3800 -prefsLen 25213 -prefMapHandle 3804 -prefMapSize 270279 -jsInitHandle 3808 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3816 -initialChannelId {810e9338-e870-4be2-b120-60a12125a9e3} -parentPid 5084 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5084" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
            3⤵
            • Checks processor information in registry
            PID:4808
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3968 -prefsLen 27323 -prefMapHandle 3972 -prefMapSize 270279 -ipcHandle 4060 -initialChannelId {f528f4d9-c842-44e7-9e24-0312003619ac} -parentPid 5084 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5084" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
            3⤵
              PID:4224
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 2692 -prefsLen 34822 -prefMapHandle 2936 -prefMapSize 270279 -jsInitHandle 3248 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3040 -initialChannelId {b64ea666-2aaf-4e9a-a1f4-cd14bebdd7ae} -parentPid 5084 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5084" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
              3⤵
              • Checks processor information in registry
              PID:2016
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 5072 -prefsLen 35010 -prefMapHandle 5080 -prefMapSize 270279 -ipcHandle 5088 -initialChannelId {9c210397-6564-4013-84ca-116aca5af0d3} -parentPid 5084 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5084" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
              3⤵
              • Checks processor information in registry
              PID:1292
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5436 -prefsLen 32952 -prefMapHandle 3124 -prefMapSize 270279 -jsInitHandle 5468 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5476 -initialChannelId {c0515cec-03a8-4d61-b625-3203bc6f7745} -parentPid 5084 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5084" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
              3⤵
              • Checks processor information in registry
              PID:1484
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5716 -prefsLen 32952 -prefMapHandle 5720 -prefMapSize 270279 -jsInitHandle 5724 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5732 -initialChannelId {a666b913-67b8-4444-ac7b-c2d2260a8806} -parentPid 5084 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5084" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
              3⤵
              • Checks processor information in registry
              PID:3888
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5904 -prefsLen 32952 -prefMapHandle 5908 -prefMapSize 270279 -jsInitHandle 5912 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 2956 -initialChannelId {c66b8eb5-5b58-4804-8209-87db0d36d27a} -parentPid 5084 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5084" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
              3⤵
              • Checks processor information in registry
              PID:1652
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3428 -prefsLen 32952 -prefMapHandle 3816 -prefMapSize 270279 -jsInitHandle 3912 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3900 -initialChannelId {c446d6fe-0366-4dbb-94bd-73c4f5e5c0af} -parentPid 5084 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5084" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 10 tab
              3⤵
              • Checks processor information in registry
              PID:2980

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\datareporting\glean\db\data.safe.tmp
              • Size 5KB
              • SHA256 7438ab17bc6a538fca650e3844325a0ab5c7938d908d981bdd94110ed01904ea
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\datareporting\glean\db\data.safe.tmp
              • Size 7KB
              • SHA256 5ccf622d6b095f66a3d21a8b948f6963092d76552253a6858d3fe8883c7ae1ee
              • MD5 SHA1 SHA512 SSDEEP TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 bcc763f11939e91b8bbd61a4e8e7948e28c25c5bce62ba903ce1c7483787f559
              • MD5 SHA1 SHA512 TLSH

              5889b65d-00ad-4e7c-998b-16329f0f0a76

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\datareporting\glean\pending_pings\5889b65d-00ad-4e7c-998b-16329f0f0a76
              • Size 883B
              • SHA256 a075901d59c7c7547ff8570c3e887edfcec6110993a70e017cd38d5c07ea8c38
              • MD5 SHA1 SHA512 TLSH

              7b3839ad-089f-465d-8516-f92c48c10317

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\datareporting\glean\pending_pings\7b3839ad-089f-465d-8516-f92c48c10317
              • Size 235B
              • SHA256 a6465b980dd5b8adbb2fa025a1e0d85f5e1f48a8e7db53040183be832f0e745e
              • MD5 SHA1 SHA512 TLSH

              9b25ff7a-9d94-496a-b233-397e0980ab25

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\datareporting\glean\pending_pings\9b25ff7a-9d94-496a-b233-397e0980ab25
              • Size 2KB
              • SHA256 7c835fa24b6c4174ed263e9ee769257baacf2d6c976c7e67c9515252aee529cb
              • MD5 SHA1 SHA512 TLSH

              9b600790-6262-4e58-b847-ac2601dcbc4c

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\datareporting\glean\pending_pings\9b600790-6262-4e58-b847-ac2601dcbc4c
              • Size 16KB
              • SHA256 2944b8151089f7a1489f6e40a4347ae2029b3790f6320c636318c3233f21ce0b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              c3069e16-7823-4ffd-a75b-953a23336afc

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\datareporting\glean\pending_pings\c3069e16-7823-4ffd-a75b-953a23336afc
              • Size 235B
              • SHA256 0a84a2679d34919ebbda6ad2cff5afb674f7973a24624eb2c1a8272f09dfa6f7
              • MD5 SHA1 SHA512 TLSH

              c30eeca5-b2b9-4f34-bc81-4bd42e1369a0

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\datareporting\glean\pending_pings\c30eeca5-b2b9-4f34-bc81-4bd42e1369a0
              • Size 886B
              • SHA256 c557306e548f7d2f809bcdfea7ceb06ddbfc087fc68ce681914e50ed35db2dde
              • MD5 SHA1 SHA512 TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\prefs.js
              • Size 6KB
              • SHA256 186529efa370fc73889ba8688a2092df4d0b26e821b67d9a4e4d2d7b57ded08a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\prefs.js
              • Size 6KB
              • SHA256 5b6a212415730e697cafd786a1a0026e20d1baef3fcff584430784c16f7e8c45
              • MD5 SHA1 SHA512 SSDEEP TLSH