Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/08/2026, 04:31

General

  • Target
    2026-08-14_4c6c3afabcf926ffe98f0d46da0ccdc0_elex_emotet_floxif_icedid_sakula_stop.exe
  • Size 2.7MB
  • Sample260814-e5c2wacp8y
  • SHA256 63ff630f467cc27e2bb8bb303dea541212202d2b5bf372a8dd6a4dbb20b42edb
  • 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) 6 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • 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.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • UPX packed file 6 IoCs

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

  • Drops file in Program Files directory 2 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 behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-14_4c6c3afabcf926ffe98f0d46da0ccdc0_elex_emotet_floxif_icedid_sakula_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-14_4c6c3afabcf926ffe98f0d46da0ccdc0_elex_emotet_floxif_icedid_sakula_stop.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1504
  • C:\Windows\temp\cpuz150\cpuz150_x64.sys
    C:\Windows\temp\cpuz150\cpuz150_x64.sys
    1⤵
    • Executes dropped EXE
    PID:1548

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

        cpuz150_x64.sys

        • Path C:\Windows\Temp\cpuz150\cpuz150_x64.sys
        • Size 43KB
        • SHA256 e7ebf97a50828f00d7e70140aff5ece77c1eb728be0d9bfceccbebd14b958271
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1504-3-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1504-11-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1504-15-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1504-20-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1504-21-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1548-18-0x0000000000010000-0x000000000001B000-memory.dmp