Overview

overview

10

Static

static

5

2026-10-19...ry.exe

windows10-2004-x64

10

2026-10-19...ry.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/10/2026, 14:50

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General

  • Target
    2026-10-19_82789fa89e4a16f015b6fa959b02efb0_elex_floxif_hijackloader_mimic_pay2key_wannacry.exe
  • Size 15.5MB
  • Sample261020-r7nbvaca49
  • SHA256 2c99cba29caa42e66d9523ff731e41e76c480e2293b0c5d7ebec6f66a882c517
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoorbootkitdefense_evasiondiscoveryexecutionfloxifpersistenceprivilege_escalationtrojanupx

Malware Config

Signatures

  • Family: Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

    backdoortrojanfloxif
  • Detects Floxif payload 1 IoCs
    backdoor
  • UPX dump on OEP (original entry point) 7 IoCs
  • Drops file in Drivers directory 4 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.

    persistenceprivilege_escalation
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Drops file in System32 directory 19 IoCs
  • UPX packed file 7 IoCs

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

    upx
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 5 IoCs
  • Direct Volume Access: Opens a physical disk for reading 1 TTPs 1 IoCs

    Opens a raw handle to a physical disk, which bypasses file system access controls and is used for disk inspection, anti-VM checks and privilege checks.

    defense_evasion
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 8 IoCs

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

    execution
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

    discovery
  • Checks SCSI registry key(s) 3 TTPs 52 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-19_82789fa89e4a16f015b6fa959b02efb0_elex_floxif_hijackloader_mimic_pay2key_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-19_82789fa89e4a16f015b6fa959b02efb0_elex_floxif_hijackloader_mimic_pay2key_wannacry.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4536
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c @pushd "C:\Users\Admin\AppData\Local\Temp\R-DriveImage" >nul 2>&1 & CALL "C:\Users\Admin\AppData\Local\Temp\R-DriveImage\unlock.bat"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2356
      • C:\Windows\system32\reg.exe
        reg delete "HKLM\SOFTWARE\WOW6432Node\R-TT\R-DriveImage" /v "L8" /f
        3⤵
          PID:1328
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c @pushd "C:\Users\Admin\AppData\Local\Temp\R-DriveImage" >nul 2>&1 & CALL "C:\Users\Admin\AppData\Local\Temp\R-DriveImage\hosts.bat"
        2⤵
        • Drops file in Drivers directory
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:3692
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c find /i /c " mail.r-tt.com" C:\Windows\system32\drivers\etc\hosts
          3⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:2400
          • C:\Windows\system32\find.exe
            find /i /c " mail.r-tt.com" C:\Windows\system32\drivers\etc\hosts
            4⤵
              PID:2508
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c find /i /c " www.mail.r-tt.com" C:\Windows\system32\drivers\etc\hosts
            3⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:4884
            • C:\Windows\system32\find.exe
              find /i /c " www.mail.r-tt.com" C:\Windows\system32\drivers\etc\hosts
              4⤵
                PID:4220
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c find /i /c " secure.r-tt.com" C:\Windows\system32\drivers\etc\hosts
              3⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:2088
              • C:\Windows\system32\find.exe
                find /i /c " secure.r-tt.com" C:\Windows\system32\drivers\etc\hosts
                4⤵
                  PID:2160
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c find /i /c " www.secure.r-tt.com" C:\Windows\system32\drivers\etc\hosts
                3⤵
                • Executes a command shell one-liner
                • Suspicious use of WriteProcessMemory
                PID:2992
                • C:\Windows\system32\find.exe
                  find /i /c " www.secure.r-tt.com" C:\Windows\system32\drivers\etc\hosts
                  4⤵
                    PID:3044
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /c find /i /c " r-tt.com" C:\Windows\system32\drivers\etc\hosts
                  3⤵
                  • Executes a command shell one-liner
                  • Suspicious use of WriteProcessMemory
                  PID:4664
                  • C:\Windows\system32\find.exe
                    find /i /c " r-tt.com" C:\Windows\system32\drivers\etc\hosts
                    4⤵
                      PID:3376
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /c find /i /c " www.r-tt.com" C:\Windows\system32\drivers\etc\hosts
                    3⤵
                    • Executes a command shell one-liner
                    • Suspicious use of WriteProcessMemory
                    PID:5508
                    • C:\Windows\system32\find.exe
                      find /i /c " www.r-tt.com" C:\Windows\system32\drivers\etc\hosts
                      4⤵
                        PID:6020
                  • C:\Users\Admin\AppData\Local\Temp\2026-10-19_82789fa89e4a16f015b6fa959b02efb0_elex_floxif_hijackloader_mimic_pay2key_wannacry.exe
                    "C:\Users\Admin\AppData\Local\Temp\2026-10-19_82789fa89e4a16f015b6fa959b02efb0_elex_floxif_hijackloader_mimic_pay2key_wannacry.exe" -sfxwaitall:0 "R-DriveImage64.exe"
                    2⤵
                    • Loads dropped DLL
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    PID:4892
                    • C:\Users\Admin\AppData\Local\Temp\R-DriveImage\R-DriveImage64.exe
                      "C:\Users\Admin\AppData\Local\Temp\R-DriveImage\R-DriveImage64.exe"
                      3⤵
                      • Executes dropped EXE
                      • Writes to the Master Boot Record (MBR)
                      • Drops file in System32 directory
                      • Drops file in Windows directory
                      • Direct Volume Access: Opens a physical disk for reading
                      • Reads the TCP/IP host and domain name from the registry
                      • Checks SCSI registry key(s)
                      • Checks processor information in registry
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of FindShellTrayWindow
                      • Suspicious use of SetWindowsHookEx
                      PID:5680
                • C:\Windows\system32\DrvInst.exe
                  DrvInst.exe "4" "0" "C:\Users\Admin\AppData\Local\Temp\{7b2de3cf-821c-8e44-a133-2529a0e14652}\rdrvmp.inf" "9" "4ad91a28f" "0000000000000178" "WinSta0\Default" "0000000000000174" "208" "c:\users\admin\appdata\local\temp\r-driveimage"
                  1⤵
                  • Drops file in System32 directory
                  • Drops file in Windows directory
                  • Checks SCSI registry key(s)
                  • Modifies data under HKEY_USERS
                  PID:1356
                • C:\Windows\system32\DrvInst.exe
                  DrvInst.exe "2" "211" "ROOT\SCSIADAPTER\0000" "C:\Windows\System32\DriverStore\FileRepository\rdrvmp.inf_amd64_64ebf537f8ba35b1\rdrvmp.inf" "oem1.inf:e209c3786b7defa0:RdrVmp_Device:1.0.0.2:root\rdrvmp," "4ad91a28f" "0000000000000180" "2ab3"
                  1⤵
                  • Drops file in Drivers directory
                  • Drops file in Windows directory
                  • Checks SCSI registry key(s)
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4972
                • C:\Windows\system32\RdrVmpUninstall64.exe
                  C:\Windows\system32\RdrVmpUninstall64.exe
                  1⤵
                  • Executes dropped EXE
                  PID:5916

                Network

                      MITRE ATT&CK Enterprise v16

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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
                      Submit Download

                      symsrv.dll.000
                      • Path C:\Program Files\Common Files\System\symsrv.dll.000
                      • Size 114B
                      • SHA256 aefc503b1ed462d7b6280228a7b5b710792273b78934426f88325341ac5b5a92
                      • MD5 SHA1 SHA512 TLSH
                      Submit Download

                      R-DriveImage64.exe
                      • Path C:\Users\Admin\AppData\Local\Temp\R-DriveImage\R-DriveImage64.exe
                      • Size 45.7MB
                      • SHA256 246cd3c53ad4d038dadf5d5d514c6236eb50755bee5a0db3c36b8c0f5cbe0482
                      • MD5 SHA1 SHA512 SSDEEP TLSH
                      Submit Download

                      RdrVmp.inf
                      • Path C:\Users\Admin\AppData\Local\Temp\R-DriveImage\RdrVmp.inf
                      • Size 1KB
                      • SHA256 ffc4a3fc97fb51119da7bd49e073488e6226d5eb298b63326d9b6ebd0a800216
                      • MD5 SHA1 SHA512 TLSH
                      Submit Download

                      RdrVmpUninstall64.exe
                      • Path C:\Users\Admin\AppData\Local\Temp\R-DriveImage\RdrVmpUninstall64.exe
                      • Size 143KB
                      • SHA256 7710555f693028d6ae40e270815eada3005f74bb3c0a765af70d051d6a63459d
                      • MD5 SHA1 SHA512 SSDEEP TLSH
                      Submit Download

                      hosts.bat
                      • Path C:\Users\Admin\AppData\Local\Temp\R-DriveImage\hosts.bat
                      • Size 787B
                      • SHA256 1b751af3392b2564f1b440d5fc21080c97cf5e18177fc208a0b03991a1fb7164
                      • MD5 SHA1 SHA512 TLSH
                      Submit Download

                      rportable.rec
                      • Path C:\Users\Admin\AppData\Local\Temp\R-DriveImage\rportable.rec
                      • Size 345B
                      • SHA256 907dc5b2175b944fa97a8c0e9f40e2d7560210fa2ccf1f9cec31076e99ddde39
                      • MD5 SHA1 SHA512 TLSH
                      Submit Download

                      unlock.bat
                      • Path C:\Users\Admin\AppData\Local\Temp\R-DriveImage\unlock.bat
                      • Size 97B
                      • SHA256 1c369e78610a88731416b600d6cf9396913a5b53696c3034301ee4ce554a8ae4
                      • MD5 SHA1 SHA512 TLSH
                      Submit Download

                      rdrvmp.inf_amd64_64ebf537f8ba35b1.ini
                      • Path C:\Windows\System32\DriverStore\FileRepository\rdrvmp.inf_amd64_64ebf537f8ba35b1.ini
                      • Size 417B
                      • SHA256 ace4d2f2bc6a6a8fcdbc09ce03befbcd54254df5bf6c6d8b3fa58da636b384a6
                      • MD5 SHA1 SHA512 TLSH
                      Submit Download

                      hosts
                      • Path C:\Windows\system32\drivers\etc\hosts
                      • Size 1KB
                      • SHA256 1571cbc1acf5813d26b43ad02e455ea5553197643a117f3cf248fe27c2d90412
                      • MD5 SHA1 SHA512 TLSH
                      Submit Download

                      hosts
                      • Path C:\Windows\system32\drivers\etc\hosts
                      • Size 1KB
                      • SHA256 f48d00357572cd7bea3fa2a3a5bc695868cb5a50a7d54b373785ed414d1c448e
                      • MD5 SHA1 SHA512 TLSH
                      Submit Download

                      hosts
                      • Path C:\Windows\system32\drivers\etc\hosts
                      • Size 1KB
                      • SHA256 49dab52270275fe4e133832fccef0d18c42cfbf3c0480a2a3d88d568d419403c
                      • MD5 SHA1 SHA512 TLSH
                      Submit Download

                      hosts
                      • Path C:\Windows\system32\drivers\etc\hosts
                      • Size 1KB
                      • SHA256 a481db453c745e71afd93270cbda048fbb03470d16a574a165e5c92b3e3dcfb7
                      • MD5 SHA1 SHA512 TLSH
                      Submit Download

                      hosts
                      • Path C:\Windows\system32\drivers\etc\hosts
                      • Size 1KB
                      • SHA256 547775ec81331208aa53f18d0bce92f1bce6c2dae124acf7bf2071706b1d80e0
                      • MD5 SHA1 SHA512 TLSH
                      Submit Download

                      RdrVmp.sys
                      • Path \??\c:\users\admin\appdata\local\temp\R-DRIV~1\amd64\RdrVmp.sys
                      • Size 33KB
                      • SHA256 db6e8a1c51c97d182f1b253fd589128dc02ae892a77981643632acf466f9b138
                      • MD5 SHA1 SHA512 SSDEEP TLSH
                      Submit Download

                      rdrvmp.cat
                      • Path \??\c:\users\admin\appdata\local\temp\r-driveimage\rdrvmp.cat
                      • Size 8KB
                      • SHA256 bee8a3d5f677f2bf35fbaad6db1fa2c4ca0e6254012ae4222e5f2e10ec2a50f3
                      • MD5 SHA1 SHA512 SSDEEP TLSH
                      Submit Download

                      memory/4536-97-0x0000000010000000-0x0000000010030000-memory.dmp
                      Download

                      memory/4536-3-0x0000000010000000-0x0000000010030000-memory.dmp
                      Download

                      memory/4536-102-0x0000000010000000-0x0000000010030000-memory.dmp
                      Download

                      memory/4536-105-0x0000000010000000-0x0000000010030000-memory.dmp
                      Download

                      memory/4892-53-0x0000000010000000-0x0000000010030000-memory.dmp
                      Download

                      memory/4892-99-0x0000000010000000-0x0000000010030000-memory.dmp
                      Download