Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 04:51

General

  • Target
    2026-08-08_936e0bc087bcc693595ecfa8ffb4b1a7_darkgate_elex_floxif_glassworm_remcos_stop.exe
  • Size 5.9MB
  • Sample260808-fg4qcs1ajc
  • SHA256 7b24b7f1d49a8a033350a556990856b255fb9247ce8b1ad630cfa116ef317d14
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

  • Detects Floxif payload 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 3 IoCs
  • Detects executables containing SQL queries to confidential data stores. Observed in infostealers 3 IoCs
  • UPX dump on OEP (original entry point) 8 IoCs
  • A potential corporate email address has been identified in the URL: [email protected]
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 21 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 22 IoCs
  • Modifies registry class 16 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 42 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:\Users\Admin\AppData\Local\Temp\2026-08-08_936e0bc087bcc693595ecfa8ffb4b1a7_darkgate_elex_floxif_glassworm_remcos_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-08_936e0bc087bcc693595ecfa8ffb4b1a7_darkgate_elex_floxif_glassworm_remcos_stop.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Installs/modifies Browser Helper Object
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4416
    • C:\Windows\system32\regsvr32.exe
      C:\Windows\Sysnative\regsvr32.exe /s "C:\Users\Admin\AppData\Local\Temp\IDMShellExt64.dll"
      2⤵
        PID:5548
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" https://www.internetdownloadmanager.com/support/installffextfrommozillasite.html
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2372
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" https://www.internetdownloadmanager.com/support/installffextfrommozillasite.html
          3⤵
          • Checks processor information in registry
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:560
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 1800 -prefsLen 27097 -prefMapHandle 1928 -prefMapSize 270279 -ipcHandle 2028 -initialChannelId {3a87f954-d973-4571-8d1a-0b38a45295c5} -parentPid 560 -crashReporter "\\.\pipe\gecko-crash-server-pipe.560" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
            4⤵
              PID:3904
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2440 -prefsLen 27133 -prefMapHandle 2444 -prefMapSize 270279 -ipcHandle 2452 -initialChannelId {beaed2bb-ee9a-47fb-9294-af1d53c0b251} -parentPid 560 -crashReporter "\\.\pipe\gecko-crash-server-pipe.560" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
              4⤵
                PID:2432
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3640 -prefsLen 25164 -prefMapHandle 3644 -prefMapSize 270279 -jsInitHandle 3648 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3656 -initialChannelId {834d79ef-9b3a-43d4-8520-f30de8cc1aaa} -parentPid 560 -crashReporter "\\.\pipe\gecko-crash-server-pipe.560" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
                4⤵
                • Checks processor information in registry
                PID:1868
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3836 -prefsLen 27274 -prefMapHandle 3840 -prefMapSize 270279 -ipcHandle 3648 -initialChannelId {62fe6a5f-c80b-4683-964f-9292c285d055} -parentPid 560 -crashReporter "\\.\pipe\gecko-crash-server-pipe.560" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
                4⤵
                  PID:2404
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4640 -prefsLen 34773 -prefMapHandle 4656 -prefMapSize 270279 -jsInitHandle 4660 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4668 -initialChannelId {4863e5ef-e92c-4db3-8e80-061cd745ae74} -parentPid 560 -crashReporter "\\.\pipe\gecko-crash-server-pipe.560" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
                  4⤵
                  • Checks processor information in registry
                  PID:5108
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 5128 -prefsLen 35010 -prefMapHandle 5132 -prefMapSize 270279 -ipcHandle 5140 -initialChannelId {4ad2f417-dce5-4525-890d-115b61265613} -parentPid 560 -crashReporter "\\.\pipe\gecko-crash-server-pipe.560" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
                  4⤵
                  • Checks processor information in registry
                  PID:1436
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4428 -prefsLen 35062 -prefMapHandle 4432 -prefMapSize 270279 -jsInitHandle 4436 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4820 -initialChannelId {ea074086-53bd-4251-8193-350776258a71} -parentPid 560 -crashReporter "\\.\pipe\gecko-crash-server-pipe.560" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
                  4⤵
                  • Checks processor information in registry
                  PID:4904
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5716 -prefsLen 32952 -prefMapHandle 4968 -prefMapSize 270279 -jsInitHandle 2488 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3744 -initialChannelId {f38da8ff-16fa-4ecf-ab53-86a3ca45f18b} -parentPid 560 -crashReporter "\\.\pipe\gecko-crash-server-pipe.560" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
                  4⤵
                  • Checks processor information in registry
                  PID:1256
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5820 -prefsLen 32952 -prefMapHandle 5824 -prefMapSize 270279 -jsInitHandle 5828 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5836 -initialChannelId {4acc5f7e-7544-40c7-ac84-2a73c323483a} -parentPid 560 -crashReporter "\\.\pipe\gecko-crash-server-pipe.560" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
                  4⤵
                  • Checks processor information in registry
                  PID:5128
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 6020 -prefsLen 32952 -prefMapHandle 5828 -prefMapSize 270279 -jsInitHandle 5824 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 6040 -initialChannelId {f9dd3e01-cb3d-411c-8915-6cc086ad454e} -parentPid 560 -crashReporter "\\.\pipe\gecko-crash-server-pipe.560" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 10 tab
                  4⤵
                  • Checks processor information in registry
                  PID:5920

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                symsrv.dll

                • Path C:\Program Files\Common Files\System\symsrv.dll
                • Size 67KB
                • SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
                • MD5 SHA1 SHA512 SSDEEP TLSH

                symsrv.dll.000

                • Path C:\Program Files\Common Files\System\symsrv.dll.000
                • Size 114B
                • SHA256 aefc503b1ed462d7b6280228a7b5b710792273b78934426f88325341ac5b5a92
                • MD5 SHA1 SHA512 TLSH

                webext.sc.lz4

                • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\jh02jw2g.default-release\startupCache\webext.sc.lz4
                • Size 104KB
                • SHA256 8d8afdd5249354506248f629ff5ddc09111f99a35f7ac06d4f02853b4dca9795
                • 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\jh02jw2g.default-release\datareporting\glean\db\data.safe.tmp
                • Size 7KB
                • SHA256 40163bbbae98496b9a21f8c5ca933f625b4c4701d722e5bcc919490430ae4ec8
                • MD5 SHA1 SHA512 SSDEEP TLSH

                events

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\datareporting\glean\events\events
                • Size 1KB
                • SHA256 d0a716be1c397d456007b3380b68227197bb6d0bdd48d9496c266ff3f5f0f609
                • MD5 SHA1 SHA512 TLSH

                1a307493-3bf7-4efe-8dd3-769443c92f06

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\datareporting\glean\pending_pings\1a307493-3bf7-4efe-8dd3-769443c92f06
                • Size 883B
                • SHA256 ffc4558ef1899a1321c7d0f80feb06bf3d1aeadecedbc6b9bd6ab482645b4b54
                • MD5 SHA1 SHA512 TLSH

                1ec11886-c0b9-4eb0-bbaf-3a74051508ed

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\datareporting\glean\pending_pings\1ec11886-c0b9-4eb0-bbaf-3a74051508ed
                • Size 886B
                • SHA256 ad8bdca2c38142149983b53fbd1868191094bad046c72752765114f46c53eb11
                • MD5 SHA1 SHA512 TLSH

                50ea2aa3-b7c3-42c3-8034-83b082f0866e

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\datareporting\glean\pending_pings\50ea2aa3-b7c3-42c3-8034-83b082f0866e
                • Size 235B
                • SHA256 e249235c8b081b6e1569860164c971443ef4c7e815ed9bba4ee421ff7db5cbee
                • MD5 SHA1 SHA512 TLSH

                91d4d8ad-b705-4c22-93e2-741d97e967e1

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\datareporting\glean\pending_pings\91d4d8ad-b705-4c22-93e2-741d97e967e1
                • Size 16KB
                • SHA256 ba9cb03637bda7b5961d82dc6799a62121bad7981f7d42d7ade8071ecdca193c
                • MD5 SHA1 SHA512 SSDEEP TLSH

                a4c1bf4b-2852-4f77-9119-092a87e380d7

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\datareporting\glean\pending_pings\a4c1bf4b-2852-4f77-9119-092a87e380d7
                • Size 235B
                • SHA256 f76703b72a4833091b1a31b437f594a6ad0459c37b9fda864755568d404591d9
                • MD5 SHA1 SHA512 TLSH

                bd9d79ef-7351-4a51-89b3-6d0b46cb852d

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\datareporting\glean\pending_pings\bd9d79ef-7351-4a51-89b3-6d0b46cb852d
                • Size 2KB
                • SHA256 7ae7b56dfe6fa6a15b1cd9472b8f7e94b152384578c35b9e873199f365f6574e
                • MD5 SHA1 SHA512 TLSH

                extensions.json

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\extensions.json
                • Size 16KB
                • SHA256 7ba9460e73188ebcdb3fb14b7a5cf657600d5d832cd8806f66d1b252021cc760
                • MD5 SHA1 SHA512 SSDEEP TLSH

                gmpopenh264.dll

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.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\jh02jw2g.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\jh02jw2g.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\jh02jw2g.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\jh02jw2g.default-release\prefs-1.js
                • Size 7KB
                • SHA256 dc92fecc73407a9113bbb743d9bfa016bf45ad7c0c8bfd705c3531ef69b43257
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prefs.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\prefs.js
                • Size 6KB
                • SHA256 5431a50f9d58c8e4aca7fe6abf704872dc6b4d20dcea2e2f8347ceaa70768dea
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prefs.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\prefs.js
                • Size 6KB
                • SHA256 88c835c4c86ca350dc40b9f8acbb3c4cfc27a660004edb2aaab5608279775038
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prefs.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\prefs.js
                • Size 6KB
                • SHA256 67a537625024f1e9a697d9dfaacf52342fd2e99bbf02bb60b37a7028b0eb3453
                • MD5 SHA1 SHA512 SSDEEP TLSH

                recovery.baklz4

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jh02jw2g.default-release\sessionstore-backups\recovery.baklz4
                • Size 4KB
                • SHA256 9842193d2d28427975ddd359af9c2b8a960e45b606e7eeef4b39b1014a578cd5
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/4416-420-0x0000000010000000-0x0000000010030000-memory.dmp

                memory/4416-5-0x0000000000C61000-0x0000000000C62000-memory.dmp

                memory/4416-340-0x0000000010000000-0x0000000010030000-memory.dmp

                memory/4416-10-0x0000000010000000-0x0000000010030000-memory.dmp

                memory/4416-11-0x0000000000C60000-0x0000000001236000-memory.dmp

                memory/4416-419-0x0000000000C60000-0x0000000001236000-memory.dmp

                memory/4416-3-0x0000000010000000-0x0000000010030000-memory.dmp

                memory/4416-403-0x0000000000C60000-0x0000000001236000-memory.dmp

                memory/4416-404-0x0000000010000000-0x0000000010030000-memory.dmp

                memory/4416-12-0x0000000010000000-0x0000000010030000-memory.dmp

                memory/4416-546-0x0000000010000000-0x0000000010030000-memory.dmp