Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/08/2026, 16:47

General

  • Target
    2026-08-13_4908fc98b089bb132268803bf253b8be_amadey_elex_floxif_smoke-loader_stealc_stop.exe
  • Size 6.8MB
  • Sample260813-varjsavalb
  • SHA256 e744bbf64a794010ed7e92cf8fec93b055f02f5d99ecf341a3f63d3cce72e24c
  • 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 executables referencing virtualization MAC addresses 1 IoCs
  • UPX dump on OEP (original entry point) 6 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-13_4908fc98b089bb132268803bf253b8be_amadey_elex_floxif_smoke-loader_stealc_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-13_4908fc98b089bb132268803bf253b8be_amadey_elex_floxif_smoke-loader_stealc_stop.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3016
    • C:\Users\Admin\AppData\Local\Temp\7zS1539\FileExtractor.exe
      .\FileExtractor.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5180
      • C:\Users\Admin\AppData\Local\Temp\7zS1539\HPDiagnosticCoreUI.exe
        "C:\Users\Admin\AppData\Local\Temp\7zS1539\HPDiagnosticCoreUI.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks SCSI registry key(s)
        • Suspicious use of SetWindowsHookEx
        PID:1296
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5348

    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

          MSOXMLMF.DLL.tmp

          • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\MSOXMLMF.DLL.tmp
          • Size 139KB
          • SHA256 fd08d9301f41a8e4e0eab7f78d22dccd920b2b5e0e5a3a45086ffdede6228719
          • MD5 SHA1 SHA512 SSDEEP TLSH

          FileExtractor.exe

          • Path C:\Users\Admin\AppData\Local\Temp\7zS1539\FileExtractor.exe
          • Size 1.8MB
          • SHA256 6fb68ab225581616b41e4f3a2d7a4b549b7c8a5932794f89dca1d73b42710e9a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          FileExtractor.exe.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\7zS1539\FileExtractor.exe.tmp
          • Size 1.9MB
          • SHA256 559e6eaa9987e61363e1c0935aa04d04eed9b2980e67950e44c4108b43680e2e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          HPDiagnosticCore.dll

          • Path C:\Users\Admin\AppData\Local\Temp\7zS1539\HPDiagnosticCore.dll
          • Size 2.8MB
          • SHA256 935bbe664a5d77131fccfddfa0c85e3798f35b0c61674a7205ac1fe95d2c1b53
          • MD5 SHA1 SHA512 SSDEEP TLSH

          HPDiagnosticCoreUI.exe

          • Path C:\Users\Admin\AppData\Local\Temp\7zS1539\HPDiagnosticCoreUI.exe
          • Size 5.1MB
          • SHA256 e6508312755b4ddfd68c9aee47fc97a5569567024fc65e1701b282cbd34884da
          • MD5 SHA1 SHA512 SSDEEP TLSH

          PSdr.ico

          • Path C:\Users\Admin\AppData\Local\Temp\7zS1539\PSdr.ico
          • Size 33KB
          • SHA256 2112ef030c7a1bb4a1cdee63fd1cff8343e69e9f1553ee1b49725d15f39bbf69
          • MD5 SHA1 SHA512 SSDEEP TLSH

          1033.xml

          • Path C:\Users\Admin\AppData\Local\Temp\7zS1539\strings\1033.xml
          • Size 122KB
          • SHA256 3ef5225d5c074babc9176d1f6fffc041b81aac52aea894c433362e885d2b58d7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          HPDiagnosticCoreUI_PSdrClient.log

          • Path C:\Users\Admin\AppData\Local\Temp\HPDiagnosticCoreUI_PSdrClient.log
          • Size 3KB
          • SHA256 6e469ae81ad8e23d7b739241239c508c27449db386c6da0ea08585d8bfa7bb14
          • MD5 SHA1 SHA512 TLSH

          HPDiagnosticCoreUI_PSdrClient.log

          • Path C:\Users\Admin\AppData\Local\Temp\HPDiagnosticCoreUI_PSdrClient.log
          • Size 5KB
          • SHA256 7d17176492d81bfa806075f21b366171f802e6d286dad65a2e86e5a2d9803899
          • MD5 SHA1 SHA512 SSDEEP TLSH

          HPDiagnosticCoreUI_PSdrServer.log

          • Path C:\Users\Admin\AppData\Local\Temp\HPDiagnosticCoreUI_PSdrServer.log
          • Size 1KB
          • SHA256 ea3f155e0672bd6054aa5c6846dde53abccad26e7d20ee2decefa36ccb5fcaf7
          • MD5 SHA1 SHA512 TLSH

          memory/3016-202-0x0000000010000000-0x0000000010030000-memory.dmp

          memory/3016-210-0x0000000010000000-0x0000000010030000-memory.dmp

          memory/3016-213-0x0000000010000000-0x0000000010030000-memory.dmp

          memory/3016-4-0x0000000010000000-0x0000000010030000-memory.dmp

          memory/3016-226-0x0000000010000000-0x0000000010030000-memory.dmp

          memory/5180-227-0x0000000000470000-0x0000000000644000-memory.dmp