Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/07/2026, 14:14

General

  • Target
    a.html
  • Size 24KB
  • Sample260722-rj3fvsff87
  • SHA256 1654c1c70b15a8eba9bdd092565f30385d0278c2d10a45628716fc9138db8d59
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Drops desktop.ini file(s) 3 IoCs
  • Detected potential entity reuse from brand GOOGLE. 1 IoCs
  • 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 5 IoCs
  • Suspicious use of FindShellTrayWindow 7 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 "C:\Users\Admin\AppData\Local\Temp\a.html"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4772
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url C:\Users\Admin\AppData\Local\Temp\a.html
      2⤵
      • Drops desktop.ini file(s)
      • Detected potential entity reuse from brand GOOGLE.
      • 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:3332
      • 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 2100 -initialChannelId {e2a8ce72-88b9-4f7b-989f-991ca9731f57} -parentPid 3332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3332" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
        3⤵
          PID:3336
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2480 -prefsLen 27135 -prefMapHandle 2484 -prefMapSize 270279 -ipcHandle 2492 -initialChannelId {413af586-3f16-45ea-b315-6ad2b05f250c} -parentPid 3332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3332" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
          3⤵
            PID:3380
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3792 -prefsLen 27276 -prefMapHandle 3796 -prefMapSize 270279 -jsInitHandle 3800 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3808 -initialChannelId {584b0afa-8eab-409b-95c6-9afdf0db2993} -parentPid 3332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3332" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
            3⤵
            • Checks processor information in registry
            PID:2312
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3956 -prefsLen 27276 -prefMapHandle 3960 -prefMapSize 270279 -ipcHandle 4028 -initialChannelId {05c7b7c7-7ce7-42d3-b38f-f63a9d3280f7} -parentPid 3332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3332" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
            3⤵
              PID:2384
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4424 -prefsLen 34775 -prefMapHandle 4428 -prefMapSize 270279 -jsInitHandle 4432 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 1664 -initialChannelId {3f81be9c-1f2f-430d-9924-325e4ecd20ea} -parentPid 3332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3332" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
              3⤵
              • Checks processor information in registry
              PID:4700
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 5032 -prefsLen 34905 -prefMapHandle 4980 -prefMapSize 270279 -ipcHandle 5012 -initialChannelId {934205f7-a403-4291-82f4-70d66f0a6597} -parentPid 3332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3332" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
              3⤵
              • Checks processor information in registry
              PID:4360
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5284 -prefsLen 32900 -prefMapHandle 5276 -prefMapSize 270279 -jsInitHandle 5272 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5224 -initialChannelId {2a93f826-966c-4713-89e8-6a64680a1c4b} -parentPid 3332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3332" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
              3⤵
              • Checks processor information in registry
              PID:564
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5248 -prefsLen 32900 -prefMapHandle 5240 -prefMapSize 270279 -jsInitHandle 5236 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5212 -initialChannelId {6831bba1-4de0-4b43-bafd-a16ddc78af17} -parentPid 3332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3332" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
              3⤵
              • Checks processor information in registry
              PID:4504
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5656 -prefsLen 32900 -prefMapHandle 5660 -prefMapSize 270279 -jsInitHandle 5664 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5672 -initialChannelId {e6dd7251-10b1-4c9c-a7c0-f68daf5a4628} -parentPid 3332 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3332" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
              3⤵
              • Checks processor information in registry
              PID:3908

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              4E3D8FAAF804AAC616BC48BD4AFA8BE284516FCF

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\6apqb380.default-release\cache2\entries\4E3D8FAAF804AAC616BC48BD4AFA8BE284516FCF
              • Size 15KB
              • SHA256 87c800dcf65bdfac4bbde52de74e383a0841154a08c0f8cd9974dc138f473e67
              • MD5 SHA1 SHA512 SSDEEP TLSH

              9512A4488B00CC053350DAC32D417B4A35C11513

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\6apqb380.default-release\cache2\entries\9512A4488B00CC053350DAC32D417B4A35C11513
              • Size 15KB
              • SHA256 381bcbb743f59f02e578c5bd3b7621a0ac25df35a7a84f8bc16a0ecc84d82dd5
              • MD5 SHA1 SHA512 SSDEEP TLSH

              de55dd7d-6a12-4e4c-a240-627129676216.zip

              • Path C:\Users\Admin\AppData\Local\Temp\de55dd7d-6a12-4e4c-a240-627129676216.zip
              • Size 3.7MB
              • SHA256 bc95998470d618938a0fe50570dbed499e4e6215b1edca8a6693192fe6632a81
              • 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

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\db\data.safe.tmp
              • Size 3KB
              • SHA256 8d7f5ccd40911bbce65fdcb0f7c988aec3f4626f322115d9fe114e2d5a90c4d6
              • MD5 SHA1 SHA512 TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\db\data.safe.tmp
              • Size 30KB
              • SHA256 17aa7882f66a1ce925d8f6a13e1f511b9d9bab1c56d0ccef93937b22235927b5
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\db\data.safe.tmp
              • Size 30KB
              • SHA256 914b2473d3969efdeb2a193a86f7e5e49ab067634be82f5cdf3aa9b893aba810
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\db\data.safe.tmp
              • Size 30KB
              • SHA256 26032ad40410e51a3fc7bce7c3014efdd78e07123fc232823aa08f90c7baf6d4
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\db\data.safe.tmp
              • Size 6KB
              • SHA256 ee8857fcbcb79c034db06a5f7f380fcde8d043f3bf2b6b3e6eb9f0332b9f03eb
              • MD5 SHA1 SHA512 SSDEEP TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 482441f9a9e61fc6b99e6c4ca2b22839f9ac2b4bfe8ab71dee4638e41c2ad4bb
              • MD5 SHA1 SHA512 TLSH

              2a6a5441-4cb0-4559-9eb4-2afbafc24677

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\pending_pings\2a6a5441-4cb0-4559-9eb4-2afbafc24677
              • Size 16KB
              • SHA256 9da2f0508452a1d1a3c7c513aa4e333072c093138a43ba1bb036679b54201f08
              • MD5 SHA1 SHA512 SSDEEP TLSH

              47ed8f60-5c00-4351-92ad-b17aaddc47d8

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\pending_pings\47ed8f60-5c00-4351-92ad-b17aaddc47d8
              • Size 235B
              • SHA256 3b39338c278e9cdcc1ff06172d11443a8d22ab7d73a7de1f6910cc5e1ae5eeec
              • MD5 SHA1 SHA512 TLSH

              4fda438d-7f32-4ee9-bdc2-6a99245a1580

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\pending_pings\4fda438d-7f32-4ee9-bdc2-6a99245a1580
              • Size 886B
              • SHA256 2e18c95c2c4a993063bc93c2aef94e6d8400daa71e7c69de243c2529422a505e
              • MD5 SHA1 SHA512 TLSH

              6b6c3a80-02bf-4dd1-8a1a-4d66814c1f6d

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\pending_pings\6b6c3a80-02bf-4dd1-8a1a-4d66814c1f6d
              • Size 2KB
              • SHA256 d8c485528926768bb2f0e97bc96c45d3e2dac8f22200f290ec2eace00566fe3c
              • MD5 SHA1 SHA512 TLSH

              914f1599-5189-43dd-b312-21d4a1866582

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\pending_pings\914f1599-5189-43dd-b312-21d4a1866582
              • Size 235B
              • SHA256 1a125afa05dc87ac40fdb0a84b649157f85ba8e25f7be4f13a3929e1cfeb498c
              • MD5 SHA1 SHA512 TLSH

              a5ece12b-1398-4e54-aeff-36f227c85ef2

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\pending_pings\a5ece12b-1398-4e54-aeff-36f227c85ef2
              • Size 883B
              • SHA256 80be1a25d4e80a0d51b08a1addfeab6c7e1aec1308911265eb0730ea71ffe775
              • MD5 SHA1 SHA512 TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\extensions.json
              • Size 16KB
              • SHA256 42eecb6a0f904d28c8ce6cdc981a39a3ed16acb7dfe3b0968b9be6e9db8a3bcc
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.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\6apqb380.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\6apqb380.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\6apqb380.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\6apqb380.default-release\prefs-1.js
              • Size 12KB
              • SHA256 2b24973855c95152ae49a6a475fec2ecf81cc3eddf3488be06e86ba731ea4bca
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\prefs-1.js
              • Size 6KB
              • SHA256 0c2aa764fea9c61111d16ed46d6e4fc0be6c21db0e66e3dd7f7d5899fb925277
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\prefs-1.js
              • Size 7KB
              • SHA256 bafb405c0afaaff4bba224368e826107fc4f9ccbdc4e700389b562192285f84c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\prefs.js
              • Size 6KB
              • SHA256 5c9712d96881d803588bc18b485db2bf4d6f13e0e9bc2d7eb24b0a52913207f2
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\sessionstore-backups\recovery.baklz4
              • Size 1KB
              • SHA256 36a2ff69b2cfee7c573e4e1f400bffb63feefa58d902c7eaec7e1d29d7e20011
              • MD5 SHA1 SHA512 TLSH

              recovery.jsonlz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\sessionstore-backups\recovery.jsonlz4
              • Size 1KB
              • SHA256 ecccd24056e4f345db7034fa9bff81563f6294d65acb8d5112a84177f3a4eb22
              • MD5 SHA1 SHA512 TLSH

              3870112724rsegmnoittet-es.sqlite

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
              • Size 4.5MB
              • SHA256 702adb1d536219687c9514626bbe04013be1619b6494e4da80b001d5e171cf85
              • MD5 SHA1 SHA512 SSDEEP TLSH

              3870112724rsegmnoittet-es.sqlite

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
              • Size 6.4MB
              • SHA256 30eb44cae0a220a1672fa5cc37886bc80dd68f06349f9129c4cb231ae0afecf1
              • MD5 SHA1 SHA512 SSDEEP TLSH