Analysis

  • max time kernel
    299s
  • max time network
    230s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/08/2026, 08:15

General

  • Target
    https://go.microsoft.com/fwlink/?LinkID=2091994&clcid=0x410
  • Sample260810-j5k5pseh69
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 6 IoCs
  • Suspicious use of FindShellTrayWindow 10 IoCs
  • Suspicious use of SetWindowsHookEx 4 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://go.microsoft.com/fwlink/?LinkID=2091994&clcid=0x410"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3816
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url https://go.microsoft.com/fwlink/?LinkID=2091994&clcid=0x410
      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:3556
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2032 -prefsLen 27099 -prefMapHandle 2036 -prefMapSize 270279 -ipcHandle 2116 -initialChannelId {e467f075-5c61-416b-bad0-e5429ad6c89e} -parentPid 3556 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3556" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
        3⤵
          PID:4004
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2516 -prefsLen 27135 -prefMapHandle 2520 -prefMapSize 270279 -ipcHandle 2528 -initialChannelId {6df3f6b5-ac53-49e0-8484-663c628cca09} -parentPid 3556 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3556" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
          3⤵
            PID:3312
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3708 -prefsLen 25164 -prefMapHandle 3712 -prefMapSize 270279 -jsInitHandle 3716 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3724 -initialChannelId {1e0dc87c-317d-4384-b7d5-911709aa67b2} -parentPid 3556 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3556" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
            3⤵
            • Checks processor information in registry
            PID:1020
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3872 -prefsLen 27276 -prefMapHandle 3876 -prefMapSize 270279 -ipcHandle 3960 -initialChannelId {ef2e1434-a153-425b-88fb-d5be7e44d1dd} -parentPid 3556 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3556" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
            3⤵
              PID:4344
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 1636 -prefsLen 34775 -prefMapHandle 1668 -prefMapSize 270279 -jsInitHandle 4340 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4348 -initialChannelId {35ddb9be-0683-4441-8137-9d72e9d3ec28} -parentPid 3556 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3556" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
              3⤵
              • Checks processor information in registry
              PID:2876
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 1464 -prefsLen 35012 -prefMapHandle 1656 -prefMapSize 270279 -ipcHandle 5032 -initialChannelId {52c59b49-bdb7-40c9-9446-143505b4d6df} -parentPid 3556 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3556" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
              3⤵
              • Checks processor information in registry
              PID:4860
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4908 -prefsLen 32952 -prefMapHandle 5208 -prefMapSize 270279 -jsInitHandle 5216 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5260 -initialChannelId {500c1918-c53c-473b-a455-06c9e0cb3825} -parentPid 3556 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3556" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
              3⤵
              • Checks processor information in registry
              PID:1852
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5176 -prefsLen 32952 -prefMapHandle 5168 -prefMapSize 270279 -jsInitHandle 5160 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5268 -initialChannelId {3baeec18-faef-45f4-845c-b85d65af5838} -parentPid 3556 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3556" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
              3⤵
              • Checks processor information in registry
              PID:1848
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4860 -prefsLen 32952 -prefMapHandle 5280 -prefMapSize 270279 -jsInitHandle 5284 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5292 -initialChannelId {ae76d907-1a85-4df1-8984-a69f2c1f747f} -parentPid 3556 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3556" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
              3⤵
              • Checks processor information in registry
              PID:1608

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              4E3D8FAAF804AAC616BC48BD4AFA8BE284516FCF

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\nxqdpovk.default-release\cache2\entries\4E3D8FAAF804AAC616BC48BD4AFA8BE284516FCF
              • Size 16KB
              • SHA256 98a46e5d49e6f7d5ca94d1f97c916e78c60a857386ece0375622989e48965196
              • MD5 SHA1 SHA512 SSDEEP TLSH

              86DDBDE5E1EAFC4C588EE71FB531985C95CCC542

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\nxqdpovk.default-release\cache2\entries\86DDBDE5E1EAFC4C588EE71FB531985C95CCC542
              • Size 16KB
              • SHA256 8d0922394118da48eb0c95aae0d4716f2ff00796fd6c5a44b8721dd73a26139c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              tmpaddon

              • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
              • Size 502KB
              • SHA256 87862f4bc8559fbe578389a9501dc01c4c585edb4bb03b238493327296d60171
              • MD5 SHA1 SHA512 SSDEEP TLSH

              tmpaddon

              • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
              • Size 11KB
              • SHA256 ddf3ba4e25a622276755133e0cce5605b83719c7cab3546e09acbfed00d6a986
              • MD5 SHA1 SHA512 SSDEEP TLSH

              01JFSLC2K114C6MHFEXH.temp

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\01JFSLC2K114C6MHFEXH.temp
              • Size 7KB
              • SHA256 9bd2e06176e8da19e9f2ffe4d1c52a5e95bbdda7980c6fde5eca65b316e9d9bf
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nxqdpovk.default-release\datareporting\glean\db\data.safe.tmp
              • Size 6KB
              • SHA256 2a8a469477c552bb173cb29931160f83ce0eadef56cc062856c1667810f1e164
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nxqdpovk.default-release\datareporting\glean\db\data.safe.tmp
              • Size 3KB
              • SHA256 b0b06c730207f47bb81ea05cf6cc8783ac2850b0eee904987f8f865d4c808382
              • MD5 SHA1 SHA512 TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nxqdpovk.default-release\datareporting\glean\db\data.safe.tmp
              • Size 7KB
              • SHA256 f2abbfa452921b72531e6d1acca932ed14e8e010d53dbad01996edf92eff308c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nxqdpovk.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 520181ac4090a6102e07d8ca7dc1a9598c5dacd2ecb75ad2138fb47268f6e4e9
              • MD5 SHA1 SHA512 TLSH

              199878ee-45b1-48d0-974a-b0d1233fb516

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nxqdpovk.default-release\datareporting\glean\pending_pings\199878ee-45b1-48d0-974a-b0d1233fb516
              • Size 2KB
              • SHA256 b14546d4ddf252b032735ed536ebca2ab0443b3b787ec6d343438596b55dd20a
              • MD5 SHA1 SHA512 TLSH

              26f436b0-2abd-4d97-9bcf-dacb7bd2b13f

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nxqdpovk.default-release\datareporting\glean\pending_pings\26f436b0-2abd-4d97-9bcf-dacb7bd2b13f
              • Size 235B
              • SHA256 41ea01afd34e20adc30f6e70dfa588148a25d5955131832a5f220cca7ffe948c
              • MD5 SHA1 SHA512 TLSH

              6b8f3e99-74df-47d8-bf82-b49f63574321

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nxqdpovk.default-release\datareporting\glean\pending_pings\6b8f3e99-74df-47d8-bf82-b49f63574321
              • Size 886B
              • SHA256 b684683b390c8aa2b9e61bcb6c1420ee2e1c48561338199cd9b93f9041734ae1
              • MD5 SHA1 SHA512 TLSH

              9bb8dfd3-5ebe-4609-a46c-3fbe2e186d39

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nxqdpovk.default-release\datareporting\glean\pending_pings\9bb8dfd3-5ebe-4609-a46c-3fbe2e186d39
              • Size 15KB
              • SHA256 9fcab0eb273eeefd39fd7c2e04775ef1ea166d65a3d09af1594292351a1619e2
              • MD5 SHA1 SHA512 SSDEEP TLSH

              b01f4950-ca97-42ae-aafd-c9e4a8795a1d

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nxqdpovk.default-release\datareporting\glean\pending_pings\b01f4950-ca97-42ae-aafd-c9e4a8795a1d
              • Size 235B
              • SHA256 e9759b108b244f716bbb981022842ff688f91dd49ab731d9e4f44969b61d418b
              • MD5 SHA1 SHA512 TLSH

              c61b49e3-3cf1-4144-81fe-35f9313721e7

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nxqdpovk.default-release\datareporting\glean\pending_pings\c61b49e3-3cf1-4144-81fe-35f9313721e7
              • Size 883B
              • SHA256 01e811484be132e22fe54ec45f479d737ceee6d3b4faa9ebb9fe65c437068e06
              • MD5 SHA1 SHA512 TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nxqdpovk.default-release\extensions.json
              • Size 16KB
              • SHA256 88923dc5cada7f8d940c94b958f544228c3a32a7567c367fa862a9a6d4007032
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nxqdpovk.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\nxqdpovk.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\nxqdpovk.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\nxqdpovk.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\nxqdpovk.default-release\prefs-1.js
              • Size 8KB
              • SHA256 3ccd9c86f43613d8d8e5290ad7b495ebc473217d8066a3aaec24e2448a5392c1
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nxqdpovk.default-release\prefs-1.js
              • Size 6KB
              • SHA256 5054abd2c4a04a284c40bc0ab17ad00a6698df56c9ee0835c874694d398f60c5
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nxqdpovk.default-release\prefs-1.js
              • Size 6KB
              • SHA256 95ab13536af70fecef47037956141dda6febb20854ecd32f197875494a1a3fed
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nxqdpovk.default-release\prefs.js
              • Size 6KB
              • SHA256 ac12d8bd52d6c84fc1d37ac6df0543cbde94f40ddfa93493ef6dc68fd6d8f785
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nxqdpovk.default-release\prefs.js
              • Size 6KB
              • SHA256 4d88b7b78eb28d34fc1b1554cdb823a2dec7546ed3f7f3987a6232c19fe4b313
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nxqdpovk.default-release\sessionstore-backups\recovery.baklz4
              • Size 1KB
              • SHA256 2c2b8a69c15b6cd582d351742688336673ccb2c42412d1d22f7528f39fb73f0d
              • MD5 SHA1 SHA512 TLSH