Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/08/2026, 02:45

General

  • Target
    2026-08-14_f5a3f0fb42012baa9c54846ac411075d_agent-tesla_backswap_elex_floxif_remcos_stop.exe
  • Size 867KB
  • Sample260814-c8yfwabl41
  • SHA256 4a1c75244ac2de297d1a7e1ff822f4fdd355b3f6950da6f14069c2659e0a1dd2
  • 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\2026-08-14_f5a3f0fb42012baa9c54846ac411075d_agent-tesla_backswap_elex_floxif_remcos_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-14_f5a3f0fb42012baa9c54846ac411075d_agent-tesla_backswap_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:4708

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        symsrv.dll

        • Path C:\Program Files\Common Files\System\symsrv.dll
        • Size 67KB
        • SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
        • MD5 SHA1 SHA512 SSDEEP TLSH

        4a7w0s8r.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\4a7w0s8r.tmp
        • Size 20KB
        • SHA256 8c9ad246e10ee64dfa5f1893f844ad6764dad6e2e2300413ea6562a3f234fdb6
        • MD5 SHA1 SHA512 SSDEEP

        A74298C1264.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\A1D26E2\A74298C1264.tmp
        • Size 791KB
        • SHA256 aac1123f17f8569a36bf93876cea30e15103fd2379b401a79129a2a6e7285ac2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4708-4-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4708-34-0x0000000010000000-0x0000000010030000-memory.dmp