Analysis

  • user interaction
    yes
  • max time kernel
    63s
  • max time network
    67s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    20/04/2026, 07:50

General

  • Target
    https://snowstream.vercel.app/
  • Sample260420-jpf6tact2j
Score
6/10

Malware Config

Signatures

  • Drops desktop.ini file(s) 3 IoCs
  • Checks processor information in registry 2 TTPs 26 IoCs

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

  • Modifies registry class 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 51 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://snowstream.vercel.app/"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4888
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url https://snowstream.vercel.app/
      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:4332
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 1964 -prefsLen 27097 -prefMapHandle 1968 -prefMapSize 270279 -ipcHandle 2040 -initialChannelId {382bc219-5a61-4b65-8a26-8315e756f988} -parentPid 4332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4332" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
        3⤵
          PID:2184
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2424 -prefsLen 27133 -prefMapHandle 2428 -prefMapSize 270279 -ipcHandle 2436 -initialChannelId {d44b95cc-5591-4aa2-b24f-ddddae814bd5} -parentPid 4332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4332" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
          3⤵
            PID:2880
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3904 -prefsLen 25164 -prefMapHandle 3908 -prefMapSize 270279 -jsInitHandle 3912 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3920 -initialChannelId {99c58725-7c3a-41da-9fab-073af14bd555} -parentPid 4332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4332" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
            3⤵
            • Checks processor information in registry
            PID:4284
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 4056 -prefsLen 27274 -prefMapHandle 4060 -prefMapSize 270279 -ipcHandle 4132 -initialChannelId {ff020b79-c771-429e-9d1e-8b4472d3cd39} -parentPid 4332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4332" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
            3⤵
              PID:1232
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 2828 -prefsLen 34773 -prefMapHandle 2708 -prefMapSize 270279 -jsInitHandle 2712 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 1652 -initialChannelId {c4a7900b-ce91-48ff-a3cf-1c770b89e45c} -parentPid 4332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4332" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
              3⤵
              • Checks processor information in registry
              PID:444
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 5064 -prefsLen 35010 -prefMapHandle 5068 -prefMapSize 270279 -ipcHandle 5040 -initialChannelId {66ce2bcd-7793-4ca8-8a7a-90193fd4a7c6} -parentPid 4332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4332" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
              3⤵
              • Checks processor information in registry
              PID:3292
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5568 -prefsLen 32952 -prefMapHandle 5652 -prefMapSize 270279 -jsInitHandle 5656 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 2868 -initialChannelId {c5ba17ed-1875-4181-a222-4a824424dd3b} -parentPid 4332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4332" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
              3⤵
              • Checks processor information in registry
              PID:956
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5756 -prefsLen 32952 -prefMapHandle 5760 -prefMapSize 270279 -jsInitHandle 5764 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5768 -initialChannelId {b89ee949-0eaf-4002-bf67-f3cd7151f2ed} -parentPid 4332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4332" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
              3⤵
              • Checks processor information in registry
              PID:3540
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5944 -prefsLen 32952 -prefMapHandle 5948 -prefMapSize 270279 -jsInitHandle 5952 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5956 -initialChannelId {7dea54af-1f6e-4f10-8c9a-8f88912b32d7} -parentPid 4332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4332" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
              3⤵
              • Checks processor information in registry
              PID:3204
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 6192 -prefsLen 32952 -prefMapHandle 5292 -prefMapSize 270279 -jsInitHandle 6392 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 2624 -initialChannelId {46c64ef3-d85f-4c0a-bf8f-c7bf0ee4abd3} -parentPid 4332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4332" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 10 tab
              3⤵
              • Checks processor information in registry
              PID:4960
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5660 -prefsLen 32952 -prefMapHandle 5676 -prefMapSize 270279 -jsInitHandle 5672 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5688 -initialChannelId {8ae15f34-ee96-4850-b6b9-34709132d9ac} -parentPid 4332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4332" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 11 tab
              3⤵
              • Checks processor information in registry
              PID:5088
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 1 -prefsHandle 6620 -prefsLen 38314 -prefMapHandle 6624 -prefMapSize 270279 -ipcHandle 6632 -initialChannelId {e57b3746-6df6-4e96-9ea3-c9d2274a2b9d} -parentPid 4332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4332" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 12 utility
              3⤵
              • Checks processor information in registry
              PID:800
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 2 -prefsHandle 6776 -prefsLen 39756 -prefMapHandle 6780 -prefMapSize 270279 -ipcHandle 6604 -initialChannelId {bf6695b1-063b-410c-bbe5-129f9d7bebdd} -parentPid 4332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4332" -appDir "C:\Program Files\Mozilla Firefox\browser" - 13 utility
              3⤵
              • Checks processor information in registry
              PID:3248

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              1208D57AB480854979743C844DDA67C66A0624E3

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\85vpkkl6.default-release\cache2\entries\1208D57AB480854979743C844DDA67C66A0624E3
              • Size 35KB
              • SHA256 4d17382ef0bcd2973a2a20c1c6ac4f160ca918d3d21b0ce03dded081084d10b0
              • MD5 SHA1 SHA512 SSDEEP TLSH

              CD1C116DEEE8F4F97C1806976E10E7E2B349E486

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\85vpkkl6.default-release\cache2\entries\CD1C116DEEE8F4F97C1806976E10E7E2B349E486
              • Size 13KB
              • SHA256 7b09ecf89d158a0502afad70baab67521d139d3c4e1ba9d465d675e1387fd503
              • MD5 SHA1 SHA512 SSDEEP TLSH

              webext.sc.lz4

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\85vpkkl6.default-release\startupCache\webext.sc.lz4
              • Size 104KB
              • SHA256 c9c4b7c0698d9dcd6396b8b759ee2421315a7260c6702788c93d5dcc6f4b127f
              • 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

              AlternateServices.bin

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\AlternateServices.bin
              • Size 16KB
              • SHA256 c05881d750826f7326c629d969218dc74302143605294b57fb82f13635dbab9a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              AlternateServices.bin

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\AlternateServices.bin
              • Size 10KB
              • SHA256 d56d51eb2a0c949302770330ac7e4847a4713109d232b3543f378fb52189a579
              • 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 3ac3d9d046eec28154c6e6567994c7c3b20f08620f8ddd8ac28e7ecf498a23d3
              • 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 81KB
              • SHA256 f5bf079e7a04f1f90f9afa04476c63dc6e1586c6e9feec16d681b07ccbfe2a72
              • 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 5KB
              • SHA256 d729e0a8351cd746bbbe754b08e367ddfaa31c6347a86784b5ada186dbb29ca0
              • 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 21ce27c35c157ba1ca6181f8880549539dc569c86945794e2a99734ff20a8d31
              • MD5 SHA1 SHA512 TLSH

              02e1bdc1-7f0c-4d2a-b115-d0e754ced61d

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\datareporting\glean\pending_pings\02e1bdc1-7f0c-4d2a-b115-d0e754ced61d
              • Size 235B
              • SHA256 47168dc12ef077544c41bbe0d4b7056f0954ac1246e7c32b6a8b8e97b01f59be
              • MD5 SHA1 SHA512 TLSH

              4f6d4749-67c8-4709-a260-4c84c2cfb500

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\datareporting\glean\pending_pings\4f6d4749-67c8-4709-a260-4c84c2cfb500
              • Size 16KB
              • SHA256 a43365dac97e9a07f47aeca34403b452b13e2cef0c0a754ecd86f9024634a282
              • MD5 SHA1 SHA512 SSDEEP TLSH

              59d7e646-0235-4986-a48d-7ac0f86dd2fd

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\datareporting\glean\pending_pings\59d7e646-0235-4986-a48d-7ac0f86dd2fd
              • Size 883B
              • SHA256 9a0493a00d6196b49790f1193eb23ba1947b1c8ebb90ca9981df2285575c4500
              • MD5 SHA1 SHA512 TLSH

              df0bf699-5922-4690-bf27-2476abcf9b7c

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\datareporting\glean\pending_pings\df0bf699-5922-4690-bf27-2476abcf9b7c
              • Size 886B
              • SHA256 73665e9d24d9b176c19ecfdaea63f9bf0f4cc821d6bf52d8be8b86da69ca10a8
              • MD5 SHA1 SHA512 TLSH

              e70422d4-33a1-43eb-ad46-ebd48967c3f0

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\datareporting\glean\pending_pings\e70422d4-33a1-43eb-ad46-ebd48967c3f0
              • Size 2KB
              • SHA256 534d7536ed4d7e36e57176f3a79be982f87898bf7e17cdd000f538939c0f75a8
              • MD5 SHA1 SHA512 TLSH

              f7ef80ab-7072-4aec-bb1e-77b5f322192b

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\datareporting\glean\pending_pings\f7ef80ab-7072-4aec-bb1e-77b5f322192b
              • Size 235B
              • SHA256 f1092e0ccbcedccbd58349894b303f16e9f4b9a1516fcd1897e8f645cdcbd240
              • MD5 SHA1 SHA512 TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\extensions.json
              • Size 16KB
              • SHA256 585a393d1813344382f38407d8ca87a4edc8c24ab0a3d86496447e3138162321
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.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\85vpkkl6.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\85vpkkl6.default-release\gmp-widevinecdm\4.10.2934.0\manifest.json
              • Size 1001B
              • SHA256 25ac9b79df29fa869b4c9f4ca3bdbc3a85f6122f5a8efab5a1216d577099becc
              • MD5 SHA1 SHA512 TLSH

              widevinecdm.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\gmp-widevinecdm\4.10.2934.0\widevinecdm.dll
              • Size 18.9MB
              • SHA256 875a76af5b19622842c9b37fe77dce10ee83f27adbdcfcde9c814d4e1226d023
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\prefs-1.js
              • Size 12KB
              • SHA256 d43ad05ff3430ac4db6e9ebdfa2a214b37e587608758f6ff812479652847ac08
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\prefs.js
              • Size 6KB
              • SHA256 fceb62a255c07317e9e5597578b2b5eb79f983d861d5a91e7845d16778076f74
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\prefs.js
              • Size 7KB
              • SHA256 5e8dd7fc434993b0b942c27f4c120db4e03c0130c13c470f80302fc8419e77b6
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\prefs.js
              • Size 6KB
              • SHA256 85c3cfa8367ff8afc1facc8821509a5864ccf6bc29aab9ceeaafc16edfe87bd8
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\prefs.js
              • Size 6KB
              • SHA256 8a706f12beb524e26f22d581ab46fd45a4ed0c9c00be54cc79d953ddb2748b02
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\sessionstore-backups\recovery.baklz4
              • Size 740KB
              • SHA256 f7d52e5bb4ce195cf81c0a53719501b24f4bfdbeec1820cd3115addb930895f7
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\sessionstore-backups\recovery.baklz4
              • Size 739KB
              • SHA256 0926efd5609efd884426fc7308f81cd914a42a6ad51a98a0fcd3fe2677dead54
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.jsonlz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\sessionstore-backups\recovery.jsonlz4
              • Size 740KB
              • SHA256 b4d306b7278ca6c90c0a96a98787bf405f085b7b7944fbba915a3b857e36c7ee
              • MD5 SHA1 SHA512 SSDEEP TLSH

              3870112724rsegmnoittet-es.sqlite

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
              • Size 5.9MB
              • SHA256 3ac156bf412ade255b2305bdb4afac3b1298d0c7cd38fef3b55c116efac1ae24
              • MD5 SHA1 SHA512 SSDEEP TLSH

              3870112724rsegmnoittet-es.sqlite

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
              • Size 5.9MB
              • SHA256 9e69cd1d21c597126a39db1dc177156a5a177476e44e8c36f70de8298f1450a1
              • MD5 SHA1 SHA512 SSDEEP TLSH

              3870112724rsegmnoittet-es.sqlite

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\85vpkkl6.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
              • Size 3.2MB
              • SHA256 c533f0af9ae07a04821d6e6f8d0a56fa7c18af29c6b28e0b1aca9bd4972106b9
              • MD5 SHA1 SHA512 SSDEEP TLSH