Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/07/2026, 17:39

General

  • Target
    2026-07-20_6083a923cfcc57a2ffd7995f82b8bcad_darkgate_elex_floxif_glassworm_remcos_stop.exe
  • Size 5.8MB
  • Sample260720-v79rmabw5w
  • SHA256 bbb2971863ca653fe58bd4fbd4b8132f4b5a7a1a8c2660c535879329e7f8dfe0
  • 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 4 IoCs
  • Detects executables containing SQL queries to confidential data stores. Observed in infostealers 4 IoCs
  • UPX dump on OEP (original entry point) 7 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 7 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 2 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 8 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\2026-07-20_6083a923cfcc57a2ffd7995f82b8bcad_darkgate_elex_floxif_glassworm_remcos_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-20_6083a923cfcc57a2ffd7995f82b8bcad_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:4624
    • 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:2572
    • 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:2836
      • 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:4572
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 1952 -prefsLen 27097 -prefMapHandle 1956 -prefMapSize 270279 -ipcHandle 2040 -initialChannelId {5c8bce8b-bbf8-4605-9089-13921b490c99} -parentPid 4572 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4572" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
          4⤵
            PID:5548
          • 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 {0a5c39e7-a76e-446d-a16f-d335482a8330} -parentPid 4572 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4572" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
            4⤵
              PID:4216
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3868 -prefsLen 25213 -prefMapHandle 3872 -prefMapSize 270279 -jsInitHandle 3876 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3884 -initialChannelId {6df48dc4-fa99-4797-bcbc-4443dae7eb12} -parentPid 4572 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4572" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
              4⤵
              • Checks processor information in registry
              PID:564
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 4036 -prefsLen 27323 -prefMapHandle 4040 -prefMapSize 270279 -ipcHandle 4104 -initialChannelId {9a75255f-5a58-437e-9a5a-a3e53de04062} -parentPid 4572 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4572" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
              4⤵
                PID:3596
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4484 -prefsLen 34822 -prefMapHandle 4488 -prefMapSize 270279 -jsInitHandle 4492 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4500 -initialChannelId {3d69d5d1-9908-4ebe-899e-71f2dca14266} -parentPid 4572 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4572" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
                4⤵
                • Checks processor information in registry
                PID:2988
              • 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 {380eaf7e-8c9c-40e6-acd8-53977aca4d6b} -parentPid 4572 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4572" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
                4⤵
                • Checks processor information in registry
                PID:3052
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5508 -prefsLen 32952 -prefMapHandle 5480 -prefMapSize 270279 -jsInitHandle 1596 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5504 -initialChannelId {9f338b22-5aff-4259-9f4a-91523435dae6} -parentPid 4572 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4572" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
                4⤵
                • Checks processor information in registry
                PID:1352
              • 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 {c26bfe93-b4e3-42f5-a711-e8d21e2956a4} -parentPid 4572 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4572" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
                4⤵
                • Checks processor information in registry
                PID:908
              • 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 5832 -initialChannelId {877b1711-7c5a-4b46-8f36-0f1cfda36c63} -parentPid 4572 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4572" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
                4⤵
                • Checks processor information in registry
                PID:4604
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5812 -prefsLen 32952 -prefMapHandle 6112 -prefMapSize 270279 -jsInitHandle 6168 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 2592 -initialChannelId {b4a5d0bb-a116-43d4-aa0b-7bfd1abd5bd0} -parentPid 4572 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4572" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 10 tab
                4⤵
                • Checks processor information in registry
                PID:2052

        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

              4E3D8FAAF804AAC616BC48BD4AFA8BE284516FCF

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\fiyrtffj.default-release\cache2\entries\4E3D8FAAF804AAC616BC48BD4AFA8BE284516FCF
              • Size 15KB
              • SHA256 4d7fccec9e20f7e16cc01ebfefe967c6950a5cb8ac7dcd3cd9103df37179c1c6
              • MD5 SHA1 SHA512 SSDEEP TLSH

              9512A4488B00CC053350DAC32D417B4A35C11513

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\fiyrtffj.default-release\cache2\entries\9512A4488B00CC053350DAC32D417B4A35C11513
              • Size 15KB
              • SHA256 9ce49cffdf45a30de68a418e44d81320de58369e3cc2919f9a8d9d08f6cf9dd0
              • 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\fiyrtffj.default-release\datareporting\glean\db\data.safe.tmp
              • Size 7KB
              • SHA256 067542cd1902c481d9190b96a3c34fd291804ab0302b8c7f0babc445a8591cec
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fiyrtffj.default-release\datareporting\glean\db\data.safe.tmp
              • Size 6KB
              • SHA256 10ac4ac5bff0d5e5fc5a6c3573f8b3a2b262b0f919a37de84986a7910171ef01
              • MD5 SHA1 SHA512 SSDEEP TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fiyrtffj.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 8d423fbad42c17183e291ca71755bb8378b9e3e511a8edf7ccd83e703705392f
              • MD5 SHA1 SHA512 TLSH

              0b8ea49c-7494-449e-a88b-a43cb1b82e32

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fiyrtffj.default-release\datareporting\glean\pending_pings\0b8ea49c-7494-449e-a88b-a43cb1b82e32
              • Size 883B
              • SHA256 5ac1ec1c54f66009f14a207b36618a80d286285c3ecb0bbaaf09784197870227
              • MD5 SHA1 SHA512 TLSH

              28a63b8c-47af-4c05-bd73-c4b817a37816

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fiyrtffj.default-release\datareporting\glean\pending_pings\28a63b8c-47af-4c05-bd73-c4b817a37816
              • Size 2KB
              • SHA256 b4050913f557529bd7dbfa93310e279b77f9e3655692281e7f34dca1378f81d8
              • MD5 SHA1 SHA512 TLSH

              50669bf0-2389-4111-97c7-e5d91f0d1efa

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fiyrtffj.default-release\datareporting\glean\pending_pings\50669bf0-2389-4111-97c7-e5d91f0d1efa
              • Size 235B
              • SHA256 93b5eee904355ee474d4ee17dcdab1fcb2e882210a49dc82be3b5942ca1f6a49
              • MD5 SHA1 SHA512 TLSH

              6fcd3333-58b1-4f77-bf0a-37e8cf2034d3

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fiyrtffj.default-release\datareporting\glean\pending_pings\6fcd3333-58b1-4f77-bf0a-37e8cf2034d3
              • Size 886B
              • SHA256 2b26eb7a40fae8e89049140e83d95a4e675958cbed01e1d0b0a9b1c6471d712a
              • MD5 SHA1 SHA512 TLSH

              7eda486d-c7e4-4e7d-b374-4abc1452cb45

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fiyrtffj.default-release\datareporting\glean\pending_pings\7eda486d-c7e4-4e7d-b374-4abc1452cb45
              • Size 16KB
              • SHA256 c37f6f3b756acf59760d469a6f828d42d42d1e677af85e83eae29ae37e9e8eac
              • MD5 SHA1 SHA512 SSDEEP TLSH

              f63fc12e-815c-41d5-8448-2904cc53aed7

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fiyrtffj.default-release\datareporting\glean\pending_pings\f63fc12e-815c-41d5-8448-2904cc53aed7
              • Size 235B
              • SHA256 ab1d632bf486ab0a9f2f7ff789e6bc5eb312f3c59fb1ee1c9b3c411b10e158d3
              • MD5 SHA1 SHA512 TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fiyrtffj.default-release\extensions.json
              • Size 16KB
              • SHA256 4798504790314984d19103de825868ff270ad321c992eefa9803fb1c287f1cd2
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fiyrtffj.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\fiyrtffj.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\fiyrtffj.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\fiyrtffj.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\fiyrtffj.default-release\prefs-1.js
              • Size 6KB
              • SHA256 62da9fe9018bc8d6a1c2a57eaa42c31e1360155278c0cf6bbaf35f3d5caa782f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fiyrtffj.default-release\prefs-1.js
              • Size 8KB
              • SHA256 1ae835bcdf754acdfe4883541b93e572d788351e684d69f65cf47f6d727f5c83
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fiyrtffj.default-release\prefs.js
              • Size 6KB
              • SHA256 f6f0b1e54d21077f51b1dc8a0ce58373fd0221c695f26aada906feb4496a7b8c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\fiyrtffj.default-release\sessionstore-backups\recovery.baklz4
              • Size 1KB
              • SHA256 79523fd3cbea59364f892260794337d944eabb7d0a1db9b091274d1034a11fc5
              • MD5 SHA1 SHA512 TLSH

              memory/4624-400-0x0000000000E00000-0x00000000013CB000-memory.dmp

              memory/4624-14-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4624-13-0x0000000000E00000-0x00000000013CB000-memory.dmp

              memory/4624-340-0x0000000000E00000-0x00000000013CB000-memory.dmp

              memory/4624-12-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4624-341-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4624-321-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4624-3-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4624-9-0x0000000000E01000-0x0000000000E02000-memory.dmp

              memory/4624-703-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4624-718-0x0000000000E00000-0x00000000013CB000-memory.dmp