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, 17:22

General

  • Target
    2026-08-08_b9011b7ffcd33ccd7f70e0b49d3c81df_elex_floxif_wannacry.exe
  • Size 644KB
  • Sample260808-vxm5wa1fld
  • SHA256 aef14df59624d90af0e3a12cb00125f08dfa0cf943cf2d2422e7419f900cfa4a
  • 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) 14 IoCs
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 7 IoCs
  • Enumerates connected drives 3 TTPs 4 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 14 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 18 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-08_b9011b7ffcd33ccd7f70e0b49d3c81df_elex_floxif_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-08_b9011b7ffcd33ccd7f70e0b49d3c81df_elex_floxif_wannacry.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:4456
    • C:\Users\Admin\AppData\Local\Temp\2026-08-08_b9011b7ffcd33ccd7f70e0b49d3c81df_elex_floxif_wannacry.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-08-08_b9011b7ffcd33ccd7f70e0b49d3c81df_elex_floxif_wannacry.exe" -sfxwaitall:0 "main.cmd"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4440
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\main.cmd" "
        3⤵
        • Loads dropped DLL
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5068
        • C:\Windows\SysWOW64\mode.com
          mode con cols=80 lines=25
          4⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:428
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" dir ..\NTaufix/ad 2>nul"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4092
        • C:\Windows\SysWOW64\find.exe
          find /i "NTaufix"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3176
        • C:\Windows\SysWOW64\reg.exe
          reg query HKCU\Console\%SystemRoot%_system32_cmd.exe /v QuickEdit
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:3900
        • C:\Windows\SysWOW64\reg.exe
          reg query HKCU\Console /v QuickEdit
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:4920
        • C:\Windows\SysWOW64\reg.exe
          reg add HKCU\Console\%SystemRoot%_system32_cmd.exe /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:4556
        • C:\Windows\SysWOW64\reg.exe
          reg add HKCU\Console\%SystemRoot%_system32_cmd.exe /v QuickEdit /t REG_DWORD /d 0 /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2700
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c NTBOOTautofix.cmd
          4⤵
          • Loads dropped DLL
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:5116
          • C:\Windows\system32\mode.com
            mode con cols=80 lines=25
            5⤵
              PID:3800
            • C:\Users\Admin\AppData\Local\Temp\NTaufix\ConsExt.exe
              ConsExt /crv 0
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              PID:3936
            • C:\Windows\system32\reg.exe
              reg unload HKLM\BCD00000000
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:3692
            • C:\Windows\system32\reg.exe
              reg unload HKLM\BCD00000001
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:4528
            • C:\Windows\system32\reg.exe
              reg unload HKLM\BCD00000002
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:1252
            • C:\Windows\system32\reg.exe
              reg unload HKLM\BCD00000003
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:6024
            • C:\Windows\system32\reg.exe
              REG QUERY "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion" /v InstallDate
              5⤵
                PID:5904
              • C:\Windows\system32\find.exe
                find /i "InstallDate"
                5⤵
                  PID:2632
                • C:\Users\Admin\AppData\Local\Temp\NTaufix\bschk.exe
                  bschk /nt60 sys
                  5⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:1248
                • C:\Windows\system32\find.exe
                  find "\\" autofixx.tmp
                  5⤵
                    PID:968
                  • C:\Windows\system32\find.exe
                    find ":"
                    5⤵
                      PID:5492
                    • C:\Users\Admin\AppData\Local\Temp\NTaufix\sc.exe
                      sc
                      5⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      • Enumerates connected drives
                      • Launches sc.exe
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of AdjustPrivilegeToken
                      PID:2604
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /S /D /c" ver"
                      5⤵
                      • System Location Discovery: System Language Discovery
                      PID:2988
                    • C:\Windows\system32\find.exe
                      find "6."
                      5⤵
                        PID:1748
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /S /D /c" ver"
                        5⤵
                        • System Location Discovery: System Language Discovery
                        PID:5836
                      • C:\Windows\system32\find.exe
                        find "5."
                        5⤵
                          PID:2148
                        • C:\Windows\system32\reg.exe
                          REG QUERY "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion" /v ProductName
                          5⤵
                            PID:2888
                          • C:\Windows\system32\find.exe
                            find /i "ProductName"
                            5⤵
                              PID:4468
                            • C:\Windows\system32\chcp.com
                              chcp 936
                              5⤵
                                PID:5908
                              • C:\Users\Admin\AppData\Local\Temp\NTaufix\bschk.exe
                                bschk /nt60 sys
                                5⤵
                                • Executes dropped EXE
                                • System Location Discovery: System Language Discovery
                                PID:1212
                              • C:\Windows\system32\find.exe
                                find "\\"
                                5⤵
                                  PID:5932
                                • C:\Windows\system32\find.exe
                                  find ":"
                                  5⤵
                                    PID:956
                                  • C:\Users\Admin\AppData\Local\Temp\NTaufix\be.exe
                                    be /export D:\boot\BCD1
                                    5⤵
                                    • Executes dropped EXE
                                    • System Location Discovery: System Language Discovery
                                    • Suspicious use of AdjustPrivilegeToken
                                    PID:1696
                                  • C:\Windows\system32\attrib.exe
                                    attrib -r -h -s D:\boot\BCD1.*
                                    5⤵
                                    • Views/modifies file attributes
                                    PID:1496

                          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

                                BOOTFONT.BIN

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\BOOTFONT.BIN
                                • Size 639KB
                                • SHA256 a51f2722dee9d025d9374adde64cb4c4bcff7fa6476700e3a5dc2f868be37031
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                ConsExt.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\ConsExt.exe
                                • Size 196KB
                                • SHA256 4a26dc01b9297a14cc193d8412dc26404272c4953749ebe4543eb4112cc37b67
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                NTBOOTautofix.cmd

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\NTBOOTautofix.cmd
                                • Size 59KB
                                • SHA256 74c9dcece037df74c9d1c541c717e1c20ef9eecf0d89ace2db9516ae6b00d451
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                NTDETECT.COM

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\NTDETECT.COM
                                • Size 46KB
                                • SHA256 17ed3744ff8cb847ef89d0e42111e6ba27bd688b160a594a3abef078e05c4868
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                NTLDR1

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\NTLDR1
                                • Size 253KB
                                • SHA256 3e18835b433e11574289e90943cf32041d4cc93d02a3142e7ea8b0b0628745fc
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                NTLDRC

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\NTLDRC
                                • Size 8KB
                                • SHA256 53dc8fccfd10b727a5f720e25dfa7af196a96bfb03030ad718627fd880d2ea7e
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                NTLDRE

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\NTLDRE
                                • Size 8KB
                                • SHA256 1f112c7b2034e51368472cecce95f97528ded6a8490cda74b7ba68025f619018
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                attrib5.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\attrib5.exe
                                • Size 12KB
                                • SHA256 cba924415f9d08abe02724f07115a165698c55010540fb14f382949726aff68d
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                bb.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\bb.exe
                                • Size 143KB
                                • SHA256 bed30b55a157cdb87215b99cdf603c556f633a91467c6145ea40b62718ad83bb
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                be.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\be.exe
                                • Size 288KB
                                • SHA256 28c47b5017260ec82ae70456455953f6deac2d6b6590cec206f9ab8c5d3fde50
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                bs.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\bs.exe
                                • Size 95KB
                                • SHA256 c8ff090cecda0c966a050f1c5b3f5b84c92d181ac48bf52402dc41ada65877cc
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                bschk.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\bschk.exe
                                • Size 95KB
                                • SHA256 5a33fd6b8471d94e01e29f6445eaf8b34ff24a5e5a1dea79aa810f3a6a291f9f
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                bsmbr.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\bsmbr.exe
                                • Size 95KB
                                • SHA256 d298ed0554fdd176a839272637327e92395099cb962a12c5c48b586857d7893d
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                chcp5.com

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\chcp5.com
                                • Size 7KB
                                • SHA256 23b5bc6d24b813f2c2f2720be6842dcefcc4edf8b170863bb4c6ea4df639fd94
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                chz_fix.bcd

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\chz_fix.bcd
                                • Size 1KB
                                • SHA256 eeb8fb3583b58ed632886670fc8792f0209aed52d6aed9e6740073261fbc87c1
                                • MD5 SHA1 SHA512 TLSH

                                chzdp.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\chzdp.exe
                                • Size 4KB
                                • SHA256 4c53893202a51c14f040cdb70f86c522ecff3cf9718eed29576269e713581d4c
                                • MD5 SHA1 SHA512 TLSH

                                find5.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\find5.exe
                                • Size 9KB
                                • SHA256 22d52947622cd4212066447c5a26ce348ae1b8fc56ba24e53199e1c7bc02bed0
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                main.cmd

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\main.cmd
                                • Size 1KB
                                • SHA256 71c922089127799fb41124c9c9b7801511b65cb2865bee3c0c32bebc3748d788
                                • MD5 SHA1 SHA512 TLSH

                                mv.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\mv.exe
                                • Size 9KB
                                • SHA256 0c607c353799084f75da13477be884f9781ebd3e15a28d57e6bbdef0d6ab6bc6
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                ntbootautofix.ico

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\ntbootautofix.ico
                                • Size 766B
                                • SHA256 00dceba0d640ad7fa0330265633705d731788e519bb696a903f3ea7b4b35d2ed
                                • MD5 SHA1 SHA512 TLSH

                                reg5.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\reg5.exe
                                • Size 63KB
                                • SHA256 37ce5e1b08362ba9be71fac7aafadf7d687f85c309b9bd17987da1f5ff4f9475
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                sc.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\sc.exe
                                • Size 4KB
                                • SHA256 36caa213a29a70270a220e5c5f9a1471b1b3498dd31293260b521a23e7df1f2b
                                • MD5 SHA1 SHA512 TLSH

                                autofixx.tmp

                                • Path C:\Users\Admin\AppData\Local\Temp\NTaufix\autofixx.tmp
                                • Size 241B
                                • SHA256 81043131a65a75c6191a58ca19701d884d78185e1b66feb64420323b932a3781
                                • MD5 SHA1 SHA512 TLSH

                                memory/428-58-0x0000000010000000-0x0000000010030000-memory.dmp

                                memory/428-60-0x0000000010000000-0x0000000010030000-memory.dmp

                                memory/2604-100-0x0000000010000000-0x0000000010030000-memory.dmp

                                memory/2604-102-0x0000000010000000-0x0000000010030000-memory.dmp

                                memory/3936-92-0x0000000010000000-0x0000000010030000-memory.dmp

                                memory/4440-87-0x0000000010000000-0x0000000010030000-memory.dmp

                                memory/4440-53-0x0000000010000000-0x0000000010030000-memory.dmp

                                memory/4456-3-0x0000000010000000-0x0000000010030000-memory.dmp

                                memory/4456-112-0x0000000010000000-0x0000000010030000-memory.dmp

                                memory/5068-86-0x0000000010000000-0x0000000010030000-memory.dmp

                                memory/5068-56-0x0000000010000000-0x0000000010030000-memory.dmp

                                memory/5116-89-0x0000000010000000-0x0000000010030000-memory.dmp

                                memory/5116-110-0x0000000010000000-0x0000000010030000-memory.dmp