Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    13/08/2026, 15:35

General

  • Target
    2026-08-13_128e59739c3383407276e671b1019bab_darkgate_elex_floxif_glassworm_remcos_stop.exe
  • Size 5.9MB
  • Sample260813-s1rlcsswaz
  • SHA256 614c64b31f7db1b4af0ca4d8cf203418b922e7cb0eab7e829685635940b6bfb8
  • 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 5 IoCs
  • Detects executables containing SQL queries to confidential data stores. Observed in infostealers 5 IoCs
  • UPX dump on OEP (original entry point) 9 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 9 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 6 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 20 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 8 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 11 IoCs
  • Suspicious use of WriteProcessMemory 46 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\2026-08-13_128e59739c3383407276e671b1019bab_darkgate_elex_floxif_glassworm_remcos_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-13_128e59739c3383407276e671b1019bab_darkgate_elex_floxif_glassworm_remcos_stop.exe"
    1⤵
    • Checks computer location settings
    • 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:4108
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Users\Admin\AppData\Local\Temp\IDMShellExt64.dll"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2688
    • 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:2640
      • 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:3912
        • 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 2084 -initialChannelId {443c0085-63cf-4d04-b754-b1499eab41ff} -parentPid 3912 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3912" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
          4⤵
            PID:3952
          • 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 {028e14f7-ade4-49ea-971d-9d852bd9ed0d} -parentPid 3912 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3912" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
            4⤵
              PID:1764
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3732 -prefsLen 25164 -prefMapHandle 3736 -prefMapSize 270279 -jsInitHandle 3740 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3748 -initialChannelId {a4f68fac-690a-4885-b147-ea51cd2080f6} -parentPid 3912 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3912" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
              4⤵
              • Checks processor information in registry
              PID:4732
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3892 -prefsLen 27276 -prefMapHandle 3896 -prefMapSize 270279 -ipcHandle 3964 -initialChannelId {dc7072bd-3db5-412f-9bb3-02d6e40a50c1} -parentPid 3912 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3912" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
              4⤵
                PID:1568
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4324 -prefsLen 34775 -prefMapHandle 4328 -prefMapSize 270279 -jsInitHandle 4332 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 1628 -initialChannelId {11ba7cd4-a028-44ef-bd93-4472ed8d604d} -parentPid 3912 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3912" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
                4⤵
                • Checks processor information in registry
                PID:3128
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 4844 -prefsLen 35012 -prefMapHandle 4840 -prefMapSize 270279 -ipcHandle 4832 -initialChannelId {53086b08-8d0a-4a41-84cd-1be127c3819f} -parentPid 3912 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3912" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
                4⤵
                • Checks processor information in registry
                PID:5516
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4952 -prefsLen 32900 -prefMapHandle 4956 -prefMapSize 270279 -jsInitHandle 4960 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4968 -initialChannelId {197811cd-8e2c-4abe-8142-56523a3c6f10} -parentPid 3912 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3912" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
                4⤵
                • Checks processor information in registry
                PID:5580
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5092 -prefsLen 32900 -prefMapHandle 5096 -prefMapSize 270279 -jsInitHandle 5100 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5104 -initialChannelId {a312abca-a520-4c73-933f-2225121ffd55} -parentPid 3912 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3912" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
                4⤵
                • Checks processor information in registry
                PID:5588
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5408 -prefsLen 32952 -prefMapHandle 5412 -prefMapSize 270279 -jsInitHandle 5416 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4956 -initialChannelId {1f53ae30-1efd-4f15-ba6d-984e14dfc9a6} -parentPid 3912 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3912" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
                4⤵
                • Checks processor information in registry
                PID:5600
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5628 -prefsLen 32952 -prefMapHandle 5632 -prefMapSize 270279 -jsInitHandle 5636 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5644 -initialChannelId {9bf08df2-8d02-416b-b8cd-fe9d0eba3a6f} -parentPid 3912 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3912" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 10 tab
                4⤵
                • Checks processor information in registry
                PID:5620
          • C:\Windows\SysWOW64\regsvr32.exe
            "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\IDMShellExt64.dll"
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2068
          • C:\Windows\SysWOW64\regsvr32.exe
            "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\IDMIECC64.dll"
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2412
          • C:\Windows\SysWOW64\regsvr32.exe
            "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\IDMGetAll64.dll"
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1068
          • C:\Windows\SysWOW64\regsvr32.exe
            "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\downlWithIDM64.dll"
            2⤵
            • System Location Discovery: System Language Discovery
            PID:3120

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              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\ho495kqa.default-release\startupCache\webext.sc.lz4
              • Size 104KB
              • SHA256 ced86ca2a038e1f30644474fa964413980d134020c31abdbb62c215bd4552aa3
              • 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\ho495kqa.default-release\datareporting\glean\db\data.safe.tmp
              • Size 6KB
              • SHA256 5e6c668f6e62cde74ad83342f5f08a1042c22b3a96bc76d5913f916739dadf7f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ho495kqa.default-release\datareporting\glean\db\data.safe.tmp
              • Size 7KB
              • SHA256 8baa82b84e8d064e02710cab384f6f4f371dceaacf60decdefc23cb7931ff9b4
              • MD5 SHA1 SHA512 SSDEEP TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ho495kqa.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 eba590c3c246ee936994aed44206ab1c4c5938b15df81b117b3524ef112323ee
              • MD5 SHA1 SHA512 TLSH

              22318184-42f6-47c2-b063-3990c0029ec0

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ho495kqa.default-release\datareporting\glean\pending_pings\22318184-42f6-47c2-b063-3990c0029ec0
              • Size 16KB
              • SHA256 f44b74a2a450c230a3f4f794715a8ecaf1dd8264ffd91c6b4b21e3a2071e9cd6
              • MD5 SHA1 SHA512 SSDEEP TLSH

              45ae00ab-5bed-498e-b85f-40c53bb3a1c3

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ho495kqa.default-release\datareporting\glean\pending_pings\45ae00ab-5bed-498e-b85f-40c53bb3a1c3
              • Size 886B
              • SHA256 3f6ef78d1f5243294abc52781769aaa1c524a94de9d5e8d625b90741cf034c52
              • MD5 SHA1 SHA512 TLSH

              9d32d603-01bc-4a27-8bcb-70ee9b08aaf6

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ho495kqa.default-release\datareporting\glean\pending_pings\9d32d603-01bc-4a27-8bcb-70ee9b08aaf6
              • Size 883B
              • SHA256 1dca7f702279b77e58dae2acfc712f292cb8cd9d9d4e30df6e43c213a26b66c9
              • MD5 SHA1 SHA512 TLSH

              ba13ea2a-9de5-4ac9-a070-1501ab69a7eb

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ho495kqa.default-release\datareporting\glean\pending_pings\ba13ea2a-9de5-4ac9-a070-1501ab69a7eb
              • Size 2KB
              • SHA256 069ff4675be349fabf54878061468136fc1e7a25bdf17b936b7ab1439d4421e9
              • MD5 SHA1 SHA512 TLSH

              cccfdde1-f29f-420f-aeca-592716865290

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ho495kqa.default-release\datareporting\glean\pending_pings\cccfdde1-f29f-420f-aeca-592716865290
              • Size 235B
              • SHA256 25c9dd81067c1b10e7b9b0d048ec4af0d178a6554d7a0830d69e6378525b55c0
              • MD5 SHA1 SHA512 TLSH

              f833794b-83f6-4f18-b714-9f47c1d37cbf

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ho495kqa.default-release\datareporting\glean\pending_pings\f833794b-83f6-4f18-b714-9f47c1d37cbf
              • Size 235B
              • SHA256 4b536740405f31ffc31b91332f6f26b23be38c2f39fcecccf4657b4d199f0560
              • MD5 SHA1 SHA512 TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ho495kqa.default-release\extensions.json
              • Size 16KB
              • SHA256 5ecb612e4801ae02482f40a8c3e563435de480ac5c00b20009e7ee512a595ca6
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ho495kqa.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\ho495kqa.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\ho495kqa.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\ho495kqa.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\ho495kqa.default-release\prefs-1.js
              • Size 7KB
              • SHA256 558712c2e18a6e8531ecc548fa0961f233f41ec3d2d62577c4b36acd3cd284d2
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ho495kqa.default-release\prefs-1.js
              • Size 6KB
              • SHA256 47de6e94f78bfea07e718ebf8c495d490da42b3657896c4a504a9169a84a9a48
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ho495kqa.default-release\prefs.js
              • Size 6KB
              • SHA256 81deb86e79fb261c32f86e8e866b34d7c678fa418192271e390a2f34c60a005c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ho495kqa.default-release\sessionstore-backups\recovery.baklz4
              • Size 4KB
              • SHA256 b319614ce3982c4b36532f8e12a5b9ec26d4ec856655b7570495d6524af4f4c3
              • MD5 SHA1 SHA512 SSDEEP TLSH

              3870112724rsegmnoittet-es.sqlite

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ho495kqa.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
              • Size 4.1MB
              • SHA256 711bf3ccc9705722e95fc8202153ca6101f51f76e590a0096f67c7c02334e9fe
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/4108-11-0x0000000000270000-0x0000000000846000-memory.dmp

              memory/4108-430-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4108-411-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4108-280-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4108-429-0x0000000000270000-0x0000000000846000-memory.dmp

              memory/4108-410-0x0000000000270000-0x0000000000846000-memory.dmp

              memory/4108-12-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4108-3-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4108-10-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4108-5-0x0000000000271000-0x0000000000272000-memory.dmp

              memory/4108-547-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4108-585-0x0000000000270000-0x0000000000846000-memory.dmp

              memory/4108-593-0x0000000000270000-0x0000000000846000-memory.dmp

              memory/4108-597-0x0000000010000000-0x0000000010030000-memory.dmp