Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/09/2026, 21:09

General

  • Target
    2026-09-22_3b94bc716292cd3486771899a8d0722b_darkgate_elex_floxif_glassworm_remcos_stealc_stop.exe
  • Size 6.0MB
  • Sample260922-zzyfvaff45
  • SHA256 6c2c1632ee3db496b333201f2eba1647245deb7aa0488938c84a2aabfb18e614
  • 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) 8 IoCs
  • 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 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 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 10 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\2026-09-22_3b94bc716292cd3486771899a8d0722b_darkgate_elex_floxif_glassworm_remcos_stealc_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-22_3b94bc716292cd3486771899a8d0722b_darkgate_elex_floxif_glassworm_remcos_stealc_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:1836
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Users\Admin\AppData\Local\Temp\IDMShellExt64.dll"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1336
    • 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:3540
      • 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
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3400
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2024 -prefsLen 27099 -prefMapHandle 2028 -prefMapSize 270279 -ipcHandle 2100 -initialChannelId {08cfe7bd-7640-4891-b7fd-0c3380283329} -parentPid 3400 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3400" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
          4⤵
            PID:4484
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2500 -prefsLen 27135 -prefMapHandle 2504 -prefMapSize 270279 -ipcHandle 2512 -initialChannelId {46b7551e-5d9e-4076-b60d-85e0e3dbeb51} -parentPid 3400 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3400" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
            4⤵
              PID:1884
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3816 -prefsLen 25164 -prefMapHandle 3820 -prefMapSize 270279 -jsInitHandle 3824 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3832 -initialChannelId {7292cadc-4b23-4f0e-af7c-acfcbb4ba4aa} -parentPid 3400 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3400" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
              4⤵
              • Checks processor information in registry
              PID:1576
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 4008 -prefsLen 27276 -prefMapHandle 4012 -prefMapSize 270279 -ipcHandle 4080 -initialChannelId {38ae6ab5-9350-4c57-8457-f481a20f74e6} -parentPid 3400 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3400" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
              4⤵
                PID:2272
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3348 -prefsLen 34775 -prefMapHandle 3660 -prefMapSize 270279 -jsInitHandle 4356 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4364 -initialChannelId {ce2dd66a-dafb-4160-994e-a7882bebef7f} -parentPid 3400 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3400" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
                4⤵
                • Checks processor information in registry
                PID:2664
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 4224 -prefsLen 35012 -prefMapHandle 4244 -prefMapSize 270279 -ipcHandle 2976 -initialChannelId {02a81b3c-5d78-4b85-a18b-fce74c5b0877} -parentPid 3400 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3400" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
                4⤵
                • Checks processor information in registry
                PID:5360
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 1640 -prefsLen 32900 -prefMapHandle 5104 -prefMapSize 270279 -jsInitHandle 5108 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4852 -initialChannelId {87e751c8-acb4-4d43-8a31-19c3900bc643} -parentPid 3400 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3400" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
                4⤵
                • Checks processor information in registry
                PID:5388
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5312 -prefsLen 32900 -prefMapHandle 5316 -prefMapSize 270279 -jsInitHandle 5320 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5328 -initialChannelId {6d370858-fad2-4477-818d-8ad155681f7d} -parentPid 3400 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3400" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
                4⤵
                • Checks processor information in registry
                PID:5400
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5372 -prefsLen 32900 -prefMapHandle 5376 -prefMapSize 270279 -jsInitHandle 5380 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5384 -initialChannelId {5ff88fae-a77b-4baf-be88-c4bc58fab942} -parentPid 3400 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3400" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
                4⤵
                • Checks processor information in registry
                PID:5408
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5840 -prefsLen 32952 -prefMapHandle 5940 -prefMapSize 270279 -jsInitHandle 5944 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5884 -initialChannelId {7c518198-723d-48e4-965b-2907a9caf718} -parentPid 3400 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3400" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 10 tab
                4⤵
                • Checks processor information in registry
                PID:5964
          • 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:4612
          • 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:3724
          • 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:4476
          • 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:4084

        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

              AABAB860D2646FDCEACF8AAC0CD412654CE5E4C0

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\r7rqhbuk.default-release\cache2\entries\AABAB860D2646FDCEACF8AAC0CD412654CE5E4C0
              • Size 16KB
              • SHA256 4da3212043fbfc0ed566819f2acfe0973953b64b3172b68f631d854129452295
              • 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\r7rqhbuk.default-release\datareporting\glean\db\data.safe.tmp
              • Size 3KB
              • SHA256 0a523cf46a44298b91b98ad1069a4bcff6ac21672c9fb145b7dea2f8ec21662a
              • MD5 SHA1 SHA512 TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r7rqhbuk.default-release\datareporting\glean\db\data.safe.tmp
              • Size 6KB
              • SHA256 5b60f6c1b41a20ef65b77d327af400ad09c0765e9c79ac2b495f0f3ba6abdb3f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r7rqhbuk.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 64a298d7ac4141b4a5652da3b7bfe624b76237e88a58a69a6085e9dd04068c22
              • MD5 SHA1 SHA512 TLSH

              0cd857cd-ac86-4e3e-8027-1b57542d9694

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r7rqhbuk.default-release\datareporting\glean\pending_pings\0cd857cd-ac86-4e3e-8027-1b57542d9694
              • Size 2KB
              • SHA256 117fd0ab1de5c83745665d821a6075fe8da79d66df5cda3cfc6332d96e7c5bed
              • MD5 SHA1 SHA512 TLSH

              2b51ac87-536a-4fc1-a9d5-c96d69a4439d

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r7rqhbuk.default-release\datareporting\glean\pending_pings\2b51ac87-536a-4fc1-a9d5-c96d69a4439d
              • Size 235B
              • SHA256 23dce3dc95fac855de3e3747a50b56a537fa2d3ae2733f3fa68e8ce73e11294b
              • MD5 SHA1 SHA512 TLSH

              6c568129-112f-4a3d-844f-c925aadc8480

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r7rqhbuk.default-release\datareporting\glean\pending_pings\6c568129-112f-4a3d-844f-c925aadc8480
              • Size 235B
              • SHA256 282f6a0cf31325c948634067e1e6fbe41ed66c3d22a4e146e894baf957e03c49
              • MD5 SHA1 SHA512 TLSH

              8312fa77-c5e6-42b3-98d6-9594421b4c7b

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r7rqhbuk.default-release\datareporting\glean\pending_pings\8312fa77-c5e6-42b3-98d6-9594421b4c7b
              • Size 886B
              • SHA256 ddf43f0ca1507fbdb8fc6d65109b5d651e89cf8e56014191d5edf369b225b244
              • MD5 SHA1 SHA512 TLSH

              c52c9bfb-a8e9-4883-9490-a1cd05672299

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r7rqhbuk.default-release\datareporting\glean\pending_pings\c52c9bfb-a8e9-4883-9490-a1cd05672299
              • Size 883B
              • SHA256 1fec0b870c1c2463d271a31ec498b8a1430f2e368a5f4ce53a16c94bebabb10f
              • MD5 SHA1 SHA512 TLSH

              d76def7f-a1db-46a6-88a6-d16ee4785980

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r7rqhbuk.default-release\datareporting\glean\pending_pings\d76def7f-a1db-46a6-88a6-d16ee4785980
              • Size 15KB
              • SHA256 73e3c3771a165732c4733e1a07931e349d606d0ec13df7c8d909fba3f9f3237a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r7rqhbuk.default-release\extensions.json
              • Size 16KB
              • SHA256 86432338417ba44810dd3e801d48a4cd8a4a6d93412ae2fad316960a4da11f93
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r7rqhbuk.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\r7rqhbuk.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\r7rqhbuk.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\r7rqhbuk.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\r7rqhbuk.default-release\prefs-1.js
              • Size 6KB
              • SHA256 c0e1a1d4a346b0c2d3bb77638be80d78673f6c662bddb9cb2108eed9db38a6d0
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r7rqhbuk.default-release\prefs-1.js
              • Size 8KB
              • SHA256 991159f0ad8925abcbc8396ded641f04e366175e28634dba2a07ce54878cd9fd
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r7rqhbuk.default-release\prefs-1.js
              • Size 6KB
              • SHA256 84d01202d60b89afd9fed9e9570dae1b3997aac249cea3c0335baf0b1d447214
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r7rqhbuk.default-release\prefs.js
              • Size 6KB
              • SHA256 170955e94b509d5188361abd105571649cac1167cc2b0753af6ac398270c152c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r7rqhbuk.default-release\sessionstore-backups\recovery.baklz4
              • Size 4KB
              • SHA256 1705737cb169225bd2200d32f152e0dbd5379e2a84c3af9bdbbf371d15eb0b6f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/1836-22-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/1836-414-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/1836-5-0x00007FFC992B0000-0x00007FFC994A5000-memory.dmp

              memory/1836-3-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/1836-413-0x0000000000F00000-0x00000000014F3000-memory.dmp

              memory/1836-394-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/1836-21-0x0000000000F00000-0x00000000014F3000-memory.dmp

              memory/1836-23-0x00007FFC992B0000-0x00007FFC994A5000-memory.dmp

              memory/1836-17-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/1836-726-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/1836-725-0x0000000000F00000-0x00000000014F3000-memory.dmp

              memory/1836-734-0x0000000000F00000-0x00000000014F3000-memory.dmp

              memory/1836-737-0x0000000010000000-0x0000000010030000-memory.dmp