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
    15/08/2026, 03:44

General

  • Target
    2026-08-15_67cf8bec6f11a7149a1937fb4452b11c_darkgate_elex_floxif_glassworm_remcos_stop.exe
  • Size 5.8MB
  • Sample260815-eag3cael6t
  • SHA256 569a57d08c3f2448e0e75514eba369d2184ff29c4552d778f6a35a1e0d81b5a4
  • 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) 10 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 10 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 8 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\2026-08-15_67cf8bec6f11a7149a1937fb4452b11c_darkgate_elex_floxif_glassworm_remcos_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-15_67cf8bec6f11a7149a1937fb4452b11c_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:2320
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Users\Admin\AppData\Local\Temp\IDMShellExt64.dll"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2632
    • 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:2604
      • 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:4708
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2020 -prefsLen 27099 -prefMapHandle 2024 -prefMapSize 270279 -ipcHandle 2100 -initialChannelId {94dad922-1a81-4a21-b339-6b323802cdf5} -parentPid 4708 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4708" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
          4⤵
            PID:4824
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2496 -prefsLen 27135 -prefMapHandle 2500 -prefMapSize 270279 -ipcHandle 2508 -initialChannelId {86abd0b9-f539-41d2-a440-12efe94ad2c1} -parentPid 4708 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4708" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
            4⤵
              PID:3200
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3996 -prefsLen 25164 -prefMapHandle 4000 -prefMapSize 270279 -jsInitHandle 4004 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4012 -initialChannelId {c8564f55-b971-4bad-9003-be14732c2fa7} -parentPid 4708 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4708" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
              4⤵
              • Checks processor information in registry
              PID:1564
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 4188 -prefsLen 27276 -prefMapHandle 4192 -prefMapSize 270279 -ipcHandle 4276 -initialChannelId {16766014-5335-4246-80d9-c8b0696d866f} -parentPid 4708 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4708" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
              4⤵
                PID:1624
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3944 -prefsLen 34775 -prefMapHandle 4564 -prefMapSize 270279 -jsInitHandle 4568 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3376 -initialChannelId {2231888d-eac3-42e2-a8a1-616d260534ef} -parentPid 4708 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4708" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
                4⤵
                • Checks processor information in registry
                PID:4080
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 2836 -prefsLen 35012 -prefMapHandle 4832 -prefMapSize 270279 -ipcHandle 4868 -initialChannelId {bbee1779-2a64-4ea6-b7e8-8101cf04726f} -parentPid 4708 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4708" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
                4⤵
                • Checks processor information in registry
                PID:5172
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5104 -prefsLen 35064 -prefMapHandle 5108 -prefMapSize 270279 -jsInitHandle 5112 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5080 -initialChannelId {46cf02af-f116-4c81-bb4a-06b5cd138fd5} -parentPid 4708 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4708" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
                4⤵
                • Checks processor information in registry
                PID:5508
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5484 -prefsLen 32952 -prefMapHandle 4076 -prefMapSize 270279 -jsInitHandle 4104 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4412 -initialChannelId {937b0667-c615-4437-95fa-c37b194148c1} -parentPid 4708 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4708" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
                4⤵
                • Checks processor information in registry
                PID:5844
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4068 -prefsLen 32952 -prefMapHandle 4016 -prefMapSize 270279 -jsInitHandle 4064 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4056 -initialChannelId {12c1fe2c-6b4c-4fbb-9db0-371aa27bb00b} -parentPid 4708 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4708" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
                4⤵
                • Checks processor information in registry
                PID:5852
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5812 -prefsLen 32952 -prefMapHandle 5816 -prefMapSize 270279 -jsInitHandle 5820 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5828 -initialChannelId {395fd00d-3aa9-4212-9142-20dcb4c762b4} -parentPid 4708 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4708" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 10 tab
                4⤵
                • Checks processor information in registry
                PID:5860
          • 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:6120
          • 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:2684
          • 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:3196
          • 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:3132

        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

              86DDBDE5E1EAFC4C588EE71FB531985C95CCC542

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\5hc785nf.default-release\cache2\entries\86DDBDE5E1EAFC4C588EE71FB531985C95CCC542
              • Size 16KB
              • SHA256 73e76d9425497f7d29e86fecf96fae4397cb6840b8d8f7c40091ca9dfea07523
              • 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\5hc785nf.default-release\datareporting\glean\db\data.safe.tmp
              • Size 6KB
              • SHA256 c0ccbe1ea6f9c01801fe43096f4236f0c1dd7fe6a0d1f0380e1c815a24f621b8
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\5hc785nf.default-release\datareporting\glean\db\data.safe.tmp
              • Size 3KB
              • SHA256 b645309c90c144ee1bead1e06e3017e2f610b8abe88f6ad1e45efd8ba7ca835a
              • MD5 SHA1 SHA512 TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\5hc785nf.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 fa2144df51039c5dda56f1d5159778a064e28635f8fc496f3fb99c4b58cb198a
              • MD5 SHA1 SHA512 TLSH

              11e12d6b-324c-46e3-8cb5-ee484dec8e91

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\5hc785nf.default-release\datareporting\glean\pending_pings\11e12d6b-324c-46e3-8cb5-ee484dec8e91
              • Size 15KB
              • SHA256 3dabc88859a3981b861423d3841fad6432f6f4ec1aeeb57c1a8aa89287241d69
              • MD5 SHA1 SHA512 SSDEEP TLSH

              35519fbd-94b2-4549-a192-86e53def2c2c

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\5hc785nf.default-release\datareporting\glean\pending_pings\35519fbd-94b2-4549-a192-86e53def2c2c
              • Size 883B
              • SHA256 26839799d4f6187dd326eee9f000ad9e0df8f17e4308edf6cca22bc6a9bc5c76
              • MD5 SHA1 SHA512 TLSH

              355ebc43-222e-4f0b-8d4c-07b8216ae961

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\5hc785nf.default-release\datareporting\glean\pending_pings\355ebc43-222e-4f0b-8d4c-07b8216ae961
              • Size 886B
              • SHA256 92e5a982214956bb61949105890892e511c3d501294b53805e3c507f09ff63d7
              • MD5 SHA1 SHA512 TLSH

              893ad68d-33ed-4746-b6bb-2444c9a510ce

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\5hc785nf.default-release\datareporting\glean\pending_pings\893ad68d-33ed-4746-b6bb-2444c9a510ce
              • Size 2KB
              • SHA256 4d0642ceb2a296d23944ca8f86a1e058ed603ffe08a9d4191faae9d92599ca43
              • MD5 SHA1 SHA512 TLSH

              cf912e76-46c1-405a-a82b-98c049b440e2

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\5hc785nf.default-release\datareporting\glean\pending_pings\cf912e76-46c1-405a-a82b-98c049b440e2
              • Size 235B
              • SHA256 87ff09f653ed29dcd951e5cb1243e9725893b22c96f42e1bacf9fcc4a2225ee1
              • MD5 SHA1 SHA512 TLSH

              ecc51ef6-b3b7-4db7-9059-d53fc4ef5324

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\5hc785nf.default-release\datareporting\glean\pending_pings\ecc51ef6-b3b7-4db7-9059-d53fc4ef5324
              • Size 235B
              • SHA256 efe69f24473cddb863fbf065a113bd1cb846b6b27964b347729c1bdc37ef6c32
              • MD5 SHA1 SHA512 TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\5hc785nf.default-release\extensions.json
              • Size 16KB
              • SHA256 cb332b294078b0d26148e7d2bd83d507c03335b8b9b1d885d247aae2762448f4
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\5hc785nf.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\5hc785nf.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\5hc785nf.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\5hc785nf.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\5hc785nf.default-release\prefs-1.js
              • Size 8KB
              • SHA256 fe83d790569a108733cb5ea78f9ed4a103c4eba56e6c846a65570aeca38b7b3b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\5hc785nf.default-release\prefs.js
              • Size 6KB
              • SHA256 fda0e9efe41355d761543f9f2e856620eea5c0323dc16dd808756c5e6dfa28f5
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\5hc785nf.default-release\prefs.js
              • Size 6KB
              • SHA256 9f0067e75ac73085d33ac2319041e22b2c61bc483176c8eae6eb729793826e1d
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\5hc785nf.default-release\prefs.js
              • Size 7KB
              • SHA256 61edddf3a89d49534bbc0f297a4aa1f4af5a7918bfd50d2510d821b044f25efb
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\5hc785nf.default-release\sessionstore-backups\recovery.baklz4
              • Size 4KB
              • SHA256 85b0d2c0cc5b0e79b6d06ebaf7574b2c02dc6d2b35d2ac5ee554c99b6063ddd3
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/2320-13-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/2320-14-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/2320-413-0x00000000005A0000-0x0000000000B73000-memory.dmp

              memory/2320-425-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/2320-330-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/2320-12-0x00000000005A0000-0x0000000000B73000-memory.dmp

              memory/2320-424-0x00000000005A0000-0x0000000000B73000-memory.dmp

              memory/2320-414-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/2320-9-0x00000000005A1000-0x00000000005A2000-memory.dmp

              memory/2320-3-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/2320-775-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/2320-782-0x0000000010000000-0x0000000010030000-memory.dmp

              memory/2320-781-0x00000000005A0000-0x0000000000B73000-memory.dmp

              memory/2320-789-0x00000000005A0000-0x0000000000B73000-memory.dmp

              memory/2320-807-0x0000000010000000-0x0000000010030000-memory.dmp