Analysis

  • max time kernel
    150s
  • 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
    12/08/2026, 15:52

General

  • Target
    2026-08-12_91ca46058a1657bdddafad0c79bd55c6_darkgate_elex_floxif_glassworm_remcos_stop.exe
  • Size 5.9MB
  • Sample260812-ta18jsdf34
  • SHA256 11f39105826d97942a925e2d7af2c57bc9ad7254719a0391a65ceac3854430ee
  • 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) 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 15 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\2026-08-12_91ca46058a1657bdddafad0c79bd55c6_darkgate_elex_floxif_glassworm_remcos_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-12_91ca46058a1657bdddafad0c79bd55c6_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:4888
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Users\Admin\AppData\Local\Temp\IDMShellExt64.dll"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2536
    • 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:4452
      • 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:2508
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2012 -prefsLen 27099 -prefMapHandle 2016 -prefMapSize 270279 -ipcHandle 2088 -initialChannelId {1eaf4b34-32df-4dae-a223-86df2597b360} -parentPid 2508 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2508" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
          4⤵
            PID:4460
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2484 -prefsLen 27135 -prefMapHandle 2488 -prefMapSize 270279 -ipcHandle 2496 -initialChannelId {17aea308-1bdf-440c-8517-7af2d72ca271} -parentPid 2508 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2508" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
            4⤵
              PID:1752
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3848 -prefsLen 25164 -prefMapHandle 3852 -prefMapSize 270279 -jsInitHandle 3856 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3864 -initialChannelId {5658c00d-6ac3-4901-8d32-af4830003e74} -parentPid 2508 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2508" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
              4⤵
              • Checks processor information in registry
              PID:3364
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 4016 -prefsLen 27276 -prefMapHandle 4020 -prefMapSize 270279 -ipcHandle 4112 -initialChannelId {1584cc8f-07b4-4c18-8cd3-647fa597191a} -parentPid 2508 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2508" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
              4⤵
                PID:4524
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4512 -prefsLen 34775 -prefMapHandle 4516 -prefMapSize 270279 -jsInitHandle 4520 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4528 -initialChannelId {07f861b5-9e64-435c-8187-a7a3e39bce12} -parentPid 2508 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2508" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
                4⤵
                • Checks processor information in registry
                PID:2472
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 4472 -prefsLen 35012 -prefMapHandle 1668 -prefMapSize 270279 -ipcHandle 3444 -initialChannelId {6ec1282b-0666-4cd9-a7f1-23d8f6167d2e} -parentPid 2508 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2508" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
                4⤵
                • Checks processor information in registry
                PID:2448
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5024 -prefsLen 32900 -prefMapHandle 5052 -prefMapSize 270279 -jsInitHandle 5056 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5064 -initialChannelId {69a2fcd2-e3dc-4fe9-8e5f-757b8aad2b90} -parentPid 2508 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2508" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
                4⤵
                • Checks processor information in registry
                PID:4612
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5128 -prefsLen 32900 -prefMapHandle 5132 -prefMapSize 270279 -jsInitHandle 5136 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5144 -initialChannelId {769ac2b4-b2a5-4d3f-ab6d-5d54e5445f39} -parentPid 2508 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2508" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
                4⤵
                • Checks processor information in registry
                PID:4520
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5488 -prefsLen 32952 -prefMapHandle 5492 -prefMapSize 270279 -jsInitHandle 5496 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5504 -initialChannelId {c9fb9ded-05d0-46c1-91e3-656281f0848c} -parentPid 2508 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2508" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
                4⤵
                • Checks processor information in registry
                PID:3892
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3884 -prefsLen 36639 -prefMapHandle 3980 -prefMapSize 270279 -jsInitHandle 3944 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 2948 -initialChannelId {30e17bf1-fb8e-43cf-95a1-5091eeaf67bb} -parentPid 2508 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2508" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 10 tab
                4⤵
                • Checks processor information in registry
                PID:2940
          • 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:4564
          • 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:4064
          • 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:1832
          • 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:4036

        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

              86DDBDE5E1EAFC4C588EE71FB531985C95CCC542

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\n6kourw2.default-release\cache2\entries\86DDBDE5E1EAFC4C588EE71FB531985C95CCC542
              • Size 16KB
              • SHA256 e5e27cfeaa76075785e761112e87f1ac0b7b37e3eead3000413b4209a40152c3
              • 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\n6kourw2.default-release\datareporting\glean\db\data.safe.tmp
              • Size 3KB
              • SHA256 9dd25c1148ccada12eda3237ef9390333580e784dc3c198a326abf54fee2d4d2
              • MD5 SHA1 SHA512 TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6kourw2.default-release\datareporting\glean\db\data.safe.tmp
              • Size 7KB
              • SHA256 5cf5419963d1255b119ad3e9be0c75ae83d6f0aee8fd033433fc01fa14757213
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6kourw2.default-release\datareporting\glean\db\data.safe.tmp
              • Size 6KB
              • SHA256 b219718a39be0b87945d83536b6dfb5fafdc9b23dc392ab5cde863f13cb4f7b3
              • MD5 SHA1 SHA512 SSDEEP TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6kourw2.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 86e54bf720cdc3a3f14e187eda862ebab4d10356dd5029a094f3eef0d84555ee
              • MD5 SHA1 SHA512 TLSH

              233b3534-d480-413d-9dad-f195ea27c1c0

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6kourw2.default-release\datareporting\glean\pending_pings\233b3534-d480-413d-9dad-f195ea27c1c0
              • Size 2KB
              • SHA256 509fb0e2e848439bb9002b7d2ec2730cbc27b64fe97066f9be5f9bda3238c077
              • MD5 SHA1 SHA512 TLSH

              615e490f-41e9-488a-8818-4ee89887b341

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6kourw2.default-release\datareporting\glean\pending_pings\615e490f-41e9-488a-8818-4ee89887b341
              • Size 16KB
              • SHA256 c9e0db6051665c8c15310dbb02068c3582ae2f79f9f48f0b679ab4c761da9935
              • MD5 SHA1 SHA512 SSDEEP TLSH

              75f9c45a-c8b3-4e36-a441-db30031fce91

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6kourw2.default-release\datareporting\glean\pending_pings\75f9c45a-c8b3-4e36-a441-db30031fce91
              • Size 235B
              • SHA256 a20d90a5ba8a29f9eaa666085be6b6f7ee03f8787feec18ac989fa30311cf164
              • MD5 SHA1 SHA512 TLSH

              77e2da51-6d29-4c3c-bfda-59700bd845be

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6kourw2.default-release\datareporting\glean\pending_pings\77e2da51-6d29-4c3c-bfda-59700bd845be
              • Size 235B
              • SHA256 0aa8a39950e2b27c2dcf0382c190fe563073d6d4867a982e2985da28abc9193e
              • MD5 SHA1 SHA512 TLSH

              99f90690-26c7-44e1-9637-56eb7e84edf6

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6kourw2.default-release\datareporting\glean\pending_pings\99f90690-26c7-44e1-9637-56eb7e84edf6
              • Size 886B
              • SHA256 5bc1885cad28db5d6966dd433372fde83c7ebfd55e3ae04ff8f7eded2c6f4b75
              • MD5 SHA1 SHA512 TLSH

              c04856ad-d979-4883-9957-81515e1410ad

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6kourw2.default-release\datareporting\glean\pending_pings\c04856ad-d979-4883-9957-81515e1410ad
              • Size 883B
              • SHA256 0f20c81749035e1836f3613b4fa0778df73792cf16419b82452d97421035d298
              • MD5 SHA1 SHA512 TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6kourw2.default-release\extensions.json
              • Size 16KB
              • SHA256 3e8670399b515f9ed8879aa2ae8e970346f81194c6604e1efc684e1405ffc72f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6kourw2.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\n6kourw2.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\n6kourw2.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\n6kourw2.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\n6kourw2.default-release\prefs-1.js
              • Size 6KB
              • SHA256 fbb38f54c43c2c290182ebff116bc42904554ad0b45d0bd5e6932cd254e0afbb
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6kourw2.default-release\prefs-1.js
              • Size 8KB
              • SHA256 fb9e7c0eee29bf9d1afd490ddc7841c59ba699559c7555cef4407566146e7fd2
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6kourw2.default-release\prefs-1.js
              • Size 6KB
              • SHA256 7b41adb4a715e24c205966094de923de77cbc633c1b10eccaa8efbeb3043afac
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6kourw2.default-release\prefs.js
              • Size 6KB
              • SHA256 f17ebf2c1b0933adfa3adfc16ed85a21f63f5ae7ef30ec63f7f82049012f0d98
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6kourw2.default-release\prefs.js
              • Size 7KB
              • SHA256 6678e0dcf293f15b8a682a33c9d15574c4bef9e7825f25ca4f6eb0b2bebec1aa
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6kourw2.default-release\sessionstore-backups\recovery.baklz4
              • Size 1KB
              • SHA256 6b6ad7aa03dcbb4f2f7bbb7dcfc2a3b8aa8d4e21679ff0e4632d08eef2b3e4f8
              • MD5 SHA1 SHA512 TLSH

              memory/4888-10-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4888-7-0x0000000000651000-0x0000000000652000-memory.dmp

              memory/4888-12-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4888-11-0x0000000000650000-0x0000000000C26000-memory.dmp

              memory/4888-360-0x0000000000650000-0x0000000000C26000-memory.dmp

              memory/4888-3-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4888-361-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4888-501-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4888-341-0x0000000000650000-0x0000000000C26000-memory.dmp

              memory/4888-342-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4888-302-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/4888-771-0x0000000000650000-0x0000000000C26000-memory.dmp

              memory/4888-774-0x0000000010000000-0x0000000010030000-memory.dmp