Analysis

  • max time kernel
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/09/2026, 16:10

General

  • Target
    2026-09-26_60e6878a788023005c85dad8309a50c7_elex_floxif_stealc_stop_tofsee.exe
  • Size 310KB
  • Sample260927-tms3psdc78
  • SHA256 d7957bc30ee0dfbc23731198ab07878292afc03932f2ab6677647715ff4d4941
  • 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
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • 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 use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-26_60e6878a788023005c85dad8309a50c7_elex_floxif_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-26_60e6878a788023005c85dad8309a50c7_elex_floxif_stealc_stop_tofsee.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4632

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/4632-4-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4632-6-0x0000000000EC1000-0x0000000000EC2000-memory.dmp

        memory/4632-9-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4632-7-0x0000000000EC0000-0x0000000000EFD000-memory.dmp