Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/06/2026, 12:45

General

  • Target
    2026-06-04_062fecf04d60bd4f63a587c09410e9e1_elex_floxif_rhadamanthys_stop_tofsee.exe
  • Size 2.6MB
  • Sample260604-pza1faey7s
  • SHA256 b469cb1dbcac68cccd9e60551c42583bf9b96641c053051a4c01e3a36e19bd35
  • 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
  • Custom signature
    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 3 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.

  • Drops file in System32 directory 16 IoCs
  • UPX packed file 6 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 5 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.

  • Checks SCSI registry key(s) 3 TTPs 26 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-04_062fecf04d60bd4f63a587c09410e9e1_elex_floxif_rhadamanthys_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-04_062fecf04d60bd4f63a587c09410e9e1_elex_floxif_rhadamanthys_stop_tofsee.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:2108
    • C:\Users\Admin\AppData\Local\Temp\e4284b2b481c74321c3be2aaf23218d4\usb-redirector-customer-module-gui.exe
      "C:\Users\Admin\AppData\Local\Temp\e4284b2b481c74321c3be2aaf23218d4\usb-redirector-customer-module-gui.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      PID:2764
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch -p -s DeviceInstall
    1⤵
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "4" "0" "C:\Users\Admin\AppData\Local\Temp\{08845a71-aebb-5f46-8cc1-097e0b19dce9}\ttechusbd.inf" "9" "4d511a66f" "0000000000000140" "WinSta0\Default" "0000000000000160" "208" "C:\Users\Admin\AppData\Local\Temp\e4284b2b481c74321c3be2aaf23218d4"
      2⤵
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Modifies data under HKEY_USERS
      PID:2976
  • C:\Users\Admin\AppData\Local\Temp\e4284b2b481c74321c3be2aaf23218d4\usbredirectortechcsrv.exe
    C:\Users\Admin\AppData\Local\Temp\e4284b2b481c74321c3be2aaf23218d4\usbredirectortechcsrv.exe
    1⤵
    • Executes dropped EXE
    PID:4124
  • C:\Users\Admin\AppData\Local\Temp\e4284b2b481c74321c3be2aaf23218d4\amd64\ttechpnptls.sys
    C:\Users\Admin\AppData\Local\Temp\e4284b2b481c74321c3be2aaf23218d4\amd64\ttechpnptls.sys
    1⤵
    • Executes dropped EXE
    PID:4984

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

        TTECHU~1.CAT

        • Path C:\Users\Admin\AppData\Local\Temp\E4284B~1\TTECHU~1.CAT
        • Size 11KB
        • SHA256 6e9ee89f3528fac6343e12dd172db8be6fc075f595e5f47cd208ecc8700683c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ttechusbd.sys

        • Path C:\Users\Admin\AppData\Local\Temp\E4284B~1\amd64\ttechusbd.sys
        • Size 48KB
        • SHA256 1373d3d69644d95c16cf2f1f17cb637a9bf9f6eb1b681e37913f69b15bb46680
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ttechpnptls.sys

        • Path C:\Users\Admin\AppData\Local\Temp\e4284b2b481c74321c3be2aaf23218d4\amd64\ttechpnptls.sys
        • Size 56KB
        • SHA256 0f4e0f179692911469d2c390feb5e7e83da4d318689688f9d532b718ae952f0d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ttechusbd.inf

        • Path C:\Users\Admin\AppData\Local\Temp\e4284b2b481c74321c3be2aaf23218d4\ttechusbd.inf
        • Size 2KB
        • SHA256 793e8e83b4d363c6336f663733f80be980c7051b7c7c18a984afc12ce1f92903
        • MD5 SHA1 SHA512 TLSH

        usb-redirector-customer-module-gui.exe

        • Path C:\Users\Admin\AppData\Local\Temp\e4284b2b481c74321c3be2aaf23218d4\usb-redirector-customer-module-gui.exe
        • Size 1.6MB
        • SHA256 130db293d102235ce86d68c5d987be2e4d937ed0fecde928bf913f7fd570801d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        usbredirectortechcsrv.exe

        • Path C:\Users\Admin\AppData\Local\Temp\e4284b2b481c74321c3be2aaf23218d4\usbredirectortechcsrv.exe
        • Size 848KB
        • SHA256 77d4f1f024e936401d9f48a2612bd1f2d8de6042c7399dec64405e1ea4b9f7e9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2108-90-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/2108-85-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/2108-86-0x0000000000350000-0x000000000039B000-memory.dmp

        memory/2108-6-0x0000000000351000-0x0000000000352000-memory.dmp

        memory/2108-94-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/2108-3-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/2108-99-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4984-84-0x0000000000010000-0x0000000000020000-memory.dmp