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
    08/08/2026, 03:58

General

  • Target
    2026-08-08_1f9dc9c64f894768d3eae9d8baf6af40_agent-tesla_backswap_elex_floxif_stop.exe
  • Size 965KB
  • Sample260808-ej1aaahl5x
  • SHA256 33ac4079d4d68230fab502b992bf994b34ddfe1efb0feea0c371b0c294610b97
  • 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) 8 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 8 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 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-08_1f9dc9c64f894768d3eae9d8baf6af40_agent-tesla_backswap_elex_floxif_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-08_1f9dc9c64f894768d3eae9d8baf6af40_agent-tesla_backswap_elex_floxif_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 behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:1968

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

        1g9g6f8p.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\1g9g6f8p.tmp
        • Size 57KB
        • SHA256 d16bb2c1ea2196a91ce3887f49081dc72a27a41d86657da149a19bc050b4703d
        • MD5 SHA1 SHA512 SSDEEP

        2026-08-08_1f9dc9c64f894768d3eae9d8baf6af40_agent-tesla_backswap_elex_floxif_stop.ini

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-08_1f9dc9c64f894768d3eae9d8baf6af40_agent-tesla_backswap_elex_floxif_stop.ini
        • Size 7KB
        • SHA256 70622aff4b22f3a647419d568f65ebc1706cdb25a6cfe4f4193add0f2f416165
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BDE7FF87B0.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\A1D26E2\BDE7FF87B0.tmp
        • Size 889KB
        • SHA256 ff3eaba09c039f9aa30a8e47d03e7d739d92519a9258d62bf5178f4988087e38
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1968-4-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1968-134-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1968-137-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1968-138-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1968-142-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1968-145-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1968-148-0x0000000010000000-0x0000000010030000-memory.dmp