Analysis

  • max time kernel
    50s
  • max time network
    49s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    12/08/2026, 04:25

General

  • Target
    https://archive.org/details/ptu-collection
  • Sample260812-e2a34sydqf
Score
1/10

Malware Config

Signatures

  • 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 2 IoCs
  • Suspicious use of FindShellTrayWindow 8 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 "https://archive.org/details/ptu-collection"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1552
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url https://archive.org/details/ptu-collection
      2⤵
      • 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 2088 -initialChannelId {c33bc604-4a71-494c-8aa8-cd0a44ad34e2} -parentPid 3848 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3848" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
        3⤵
          PID:944
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2476 -prefsLen 27135 -prefMapHandle 2480 -prefMapSize 270279 -ipcHandle 2496 -initialChannelId {4b5ba5d1-4d91-4d18-a2cf-b88a3eee2866} -parentPid 3848 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3848" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
          3⤵
            PID:3156
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3832 -prefsLen 25164 -prefMapHandle 3836 -prefMapSize 270279 -jsInitHandle 3840 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3848 -initialChannelId {a834cb17-6b9e-4a67-9796-12f8efc09687} -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:3932
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3996 -prefsLen 27276 -prefMapHandle 4000 -prefMapSize 270279 -ipcHandle 4084 -initialChannelId {ced994c2-565e-4948-8cec-c0d544d0a1b9} -parentPid 3848 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3848" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
            3⤵
              PID:4572
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3112 -prefsLen 34775 -prefMapHandle 3128 -prefMapSize 270279 -jsInitHandle 3200 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4392 -initialChannelId {3d86a215-745c-40c1-9317-86c65561c6fa} -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:4480
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 4916 -prefsLen 35012 -prefMapHandle 4920 -prefMapSize 270279 -ipcHandle 4904 -initialChannelId {cb738f86-9791-4356-99de-2c078bebd7ca} -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:1572
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5040 -prefsLen 32952 -prefMapHandle 5044 -prefMapSize 270279 -jsInitHandle 5048 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5056 -initialChannelId {4a83bdbb-727a-4c08-a000-ce9852cf2de3} -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:3244
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5180 -prefsLen 32952 -prefMapHandle 5184 -prefMapSize 270279 -jsInitHandle 5188 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5196 -initialChannelId {917e921e-6282-486c-a696-05311e7833e3} -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:1960
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5516 -prefsLen 32952 -prefMapHandle 5520 -prefMapSize 270279 -jsInitHandle 5524 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5532 -initialChannelId {effb6195-8e53-460b-a82f-939f11f54b93} -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:4588

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              86DDBDE5E1EAFC4C588EE71FB531985C95CCC542

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\2d5mkwou.default-release\cache2\entries\86DDBDE5E1EAFC4C588EE71FB531985C95CCC542
              • Size 16KB
              • SHA256 8a9a1635fb34548e3f5fe7976dad15d93a3d6fe4b6ea200463fde83c5beb532c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              webext.sc.lz4

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\2d5mkwou.default-release\startupCache\webext.sc.lz4
              • Size 104KB
              • SHA256 3a1fdbdbdfe8fbcddad2551cca2fe476d5854de9d861369c9cb10b70736dc9cf
              • 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\2d5mkwou.default-release\datareporting\glean\db\data.safe.tmp
              • Size 6KB
              • SHA256 4b899dc8a547964c6107dc5caeab9b2c4c032a5d353318703e92767dbf03d241
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2d5mkwou.default-release\datareporting\glean\db\data.safe.tmp
              • Size 7KB
              • SHA256 597b5da271c8b81dc9136b8153b860cb2ed8598536aa0e5ff23f00b22d797e5f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2d5mkwou.default-release\datareporting\glean\db\data.safe.tmp
              • Size 7KB
              • SHA256 fa18cf34c11eccd8a704af00792d5bb0c751b729888b2decb73d393a6a04c830
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2d5mkwou.default-release\datareporting\glean\db\data.safe.tmp
              • Size 4KB
              • SHA256 e38b19eb2865d68ed301000c60e439ef08d80dd5c122ee93cb19de5759870bca
              • MD5 SHA1 SHA512 SSDEEP TLSH

              07653a2f-ad55-46f2-b47b-c7582e303b83

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2d5mkwou.default-release\datareporting\glean\pending_pings\07653a2f-ad55-46f2-b47b-c7582e303b83
              • Size 886B
              • SHA256 7f17b5dbaff9850e4ad3a4a5522ac18d5bee86749810f877b6ca72299a3f1636
              • MD5 SHA1 SHA512 TLSH

              2d88ed4d-02b1-4340-83cd-56c264a2c566

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2d5mkwou.default-release\datareporting\glean\pending_pings\2d88ed4d-02b1-4340-83cd-56c264a2c566
              • Size 883B
              • SHA256 27b4bd06250e26b7f1cee4e97eb96fe543ad7eb1f040d0f4049eb0583291443a
              • MD5 SHA1 SHA512 TLSH

              40d7e3b9-e662-4fe5-89ef-98e440a4b2b7

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2d5mkwou.default-release\datareporting\glean\pending_pings\40d7e3b9-e662-4fe5-89ef-98e440a4b2b7
              • Size 235B
              • SHA256 931134cc3ab2677d622dff4cfe3bf619365f122a5ec68c0cebd5849ab6c44326
              • MD5 SHA1 SHA512 TLSH

              49312e6f-1df0-4713-bb4b-6c15f8755e9f

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2d5mkwou.default-release\datareporting\glean\pending_pings\49312e6f-1df0-4713-bb4b-6c15f8755e9f
              • Size 15KB
              • SHA256 64f9c9d11305e5bb8af750e1709692048828d5450b5ac7aafbe5cf5a43328d9d
              • MD5 SHA1 SHA512 SSDEEP TLSH

              87e13a1a-9bfd-4a9d-8419-79badc7c9abc

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2d5mkwou.default-release\datareporting\glean\pending_pings\87e13a1a-9bfd-4a9d-8419-79badc7c9abc
              • Size 2KB
              • SHA256 22da199be6a9e30bfcb68552d5ec6cd70bfca1d18497256faa74f5915baad0fc
              • MD5 SHA1 SHA512 TLSH

              cf8ee4dc-0a2c-4d60-aedf-d2662ef793c9

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2d5mkwou.default-release\datareporting\glean\pending_pings\cf8ee4dc-0a2c-4d60-aedf-d2662ef793c9
              • Size 235B
              • SHA256 3215f21f51daab203d1932cc6fec7ae34c07ebce8bd0a8d1039318f729e3e849
              • MD5 SHA1 SHA512 TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2d5mkwou.default-release\extensions.json
              • Size 16KB
              • SHA256 538a9769bae6228e9d8c7fa31589e79b29b278c9ab41b2e432e21f96625faf88
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2d5mkwou.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\2d5mkwou.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\2d5mkwou.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\2d5mkwou.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\2d5mkwou.default-release\prefs-1.js
              • Size 6KB
              • SHA256 6efaf8ef90995acc7d11cb839c597fe3b5be6add374c3c785448c53348fbfaac
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2d5mkwou.default-release\prefs.js
              • Size 6KB
              • SHA256 a3beec81de595a90d073f38bde225bd9f1f734e1f7b76c6d9f43618153f404ee
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2d5mkwou.default-release\prefs.js
              • Size 6KB
              • SHA256 349d4fc7d39269f9b93e0d9c3b6f31891ef940a7dd21f315f1030c6999e301ef
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2d5mkwou.default-release\prefs.js
              • Size 7KB
              • SHA256 a549b2e903d2255d571f6e58b7968db3e4ae94e3ede083cad3c2e3f6c4de652e
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2d5mkwou.default-release\sessionstore-backups\recovery.baklz4
              • Size 4KB
              • SHA256 005c662c2f950a63a0989493dfa63bf5e51c6019923b56e987fd488e1eff58c6
              • MD5 SHA1 SHA512 SSDEEP TLSH