Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 06:52

General

  • Target
    2026-08-09_4e2f64599e20e88118c59b2e0fe64b7f_elex_floxif_remcos_stop.exe
  • Size 577KB
  • Sample260809-hm64sasfpd
  • SHA256 bcb0a16a3a046bbea284ae5b940aed11dea04f3922953dd1ebce14b766a79873
  • 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
  • UPX dump on OEP (original entry point) 3 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 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 3 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 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-09_4e2f64599e20e88118c59b2e0fe64b7f_elex_floxif_remcos_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-09_4e2f64599e20e88118c59b2e0fe64b7f_elex_floxif_remcos_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
    PID:1212
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4784

    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

          memory/1212-4-0x0000000010000000-0x0000000010030000-memory.dmp

          memory/1212-12-0x0000000010000000-0x0000000010030000-memory.dmp