Analysis

  • max time kernel
    150s
  • max time network
    155s
  • 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, 05:03

General

  • Target
    2026-08-09_b1dcb8cd4966052f91e7c9af961fcd49_amadey_elex_floxif_manuscrypt_rhadamanthys_smoke-loader_stop.exe
  • Size 39.7MB
  • Sample260809-fp34ssgg64
  • SHA256 3b2fe549334f10a6764b47c64668e5059bf822cdb5445cbac80b330e42653ad6
  • 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) 7 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.

  • UPX packed file 7 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-09_b1dcb8cd4966052f91e7c9af961fcd49_amadey_elex_floxif_manuscrypt_rhadamanthys_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-09_b1dcb8cd4966052f91e7c9af961fcd49_amadey_elex_floxif_manuscrypt_rhadamanthys_smoke-loader_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
    • Suspicious use of WriteProcessMemory
    PID:4236
    • C:\Users\Admin\AppData\Local\Temp\WZSE0.TMP\L485_x64_250JAUsHomeExportAsiaML\WINX64\SETUP\SETUP64.EXE
      .\L485_x64_250JAUsHomeExportAsiaML\WINX64\SETUP\SETUP64.EXE /RG:W
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1612

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

        epstplog.txt

        • Path C:\ProgramData\epstplog.txt
        • Size 5KB
        • SHA256 27dbd4b2f9c4f9b7db90b8c0e342a340dc02631536c419336016eff3f582a972
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SETUP64.EXE

        • Path C:\Users\Admin\AppData\Local\Temp\WZSE0.TMP\L485_x64_250JAUsHomeExportAsiaML\WINX64\SETUP\SETUP64.EXE
        • Size 1.3MB
        • SHA256 1a6ce2f96e32d730cdc73f49f96cebd46c9b8b28ef144e2f74d1f1caaa34191e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SETUP64.dat

        • Path C:\Users\Admin\AppData\Local\Temp\WZSE0.TMP\L485_x64_250JAUsHomeExportAsiaML\WINX64\SETUP\SETUP64.dat
        • Size 562KB
        • SHA256 d8c9a035ebe864ced6c946d3a8d4b5f582b9091e2dd0f25dcc323d99bc2cadda
        • MD5 SHA1 SHA512 SSDEEP TLSH

        epsetup.eif

        • Path C:\Users\Admin\AppData\Local\Temp\WZSE0.TMP\L485_x64_250JAUsHomeExportAsiaML\WINX64\SETUP\epsetup.eif
        • Size 73KB
        • SHA256 b16e205b4b3fe3d0afcbbd00f5e87c35b1bf3c8384b493a5e4becefb6f5ddae1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        E_WF1RME.CAT

        • Path \??\c:\users\admin\appdata\local\temp\wzse0.tmp\l485_x64_250jaushomeexportasiaml\winx64\E_WF1RME.CAT
        • Size 44KB
        • SHA256 480f60dc90de80ac68efd95119dc23a74caadef17a780f380b27fd70be8200fa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e_wf1rme.inf

        • Path \??\c:\users\admin\appdata\local\temp\wzse0.tmp\l485_x64_250jaushomeexportasiaml\winx64\e_wf1rme.inf
        • Size 11KB
        • SHA256 1bc656ecc8635aaf5682bbbeca8cec61714c0d93a75a1c5e8ff9b06f1efde5b8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4236-223-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4236-4-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4236-227-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4236-229-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4236-231-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4236-235-0x0000000010000000-0x0000000010030000-memory.dmp