Overview

overview

10

Static

static

5

2026-10-22...op.exe

windows10-2004-x64

10

2026-10-22...op.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    24/10/2026, 16:49

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General

  • Target
    2026-10-22_363868b269022123b8ce0753826900ac_elex_floxif_stop.exe
  • Size 49.6MB
  • Sample261024-vbterscy3l
  • SHA256 27795952357dcd12be894d7339499b489420ee518a9e1a08167c6206f6f91c2b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoorcryptonedefense_evasiondiscoveryfloxifpackerpersistenceprivilege_escalationransomwarespywaretrojanupx

Malware Config

Signatures

  • Family: Floxif, Floodfix

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

    backdoortrojanfloxif
  • CryptOne packer 1 IoCs

    Detects CryptOne packer defined in NCC blogpost.

    cryptonepacker
  • Detects Floxif payload 1 IoCs
    backdoor
  • UPX dump on OEP (original entry point) 16 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 7 IoCs
  • Badlisted process makes network request 1 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Enumerates connected drives 3 TTPs 47 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • UPX packed file 16 IoCs

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

    upx
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 42 IoCs
  • 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 4 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 5 IoCs

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

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
    defense_evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-22_363868b269022123b8ce0753826900ac_elex_floxif_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-22_363868b269022123b8ce0753826900ac_elex_floxif_stop.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • 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:1900
    • C:\Users\Admin\AppData\Local\Temp\7zSA35F.tmp\setup.exe
      .\setup.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates connected drives
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:4872
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3244
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1488
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding F2B70E67ABAB7315AD4A2FC44684F636
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3536
    • C:\Windows\Installer\MSIC433.tmp
      "C:\Windows\Installer\MSIC433.tmp" "C:\ProgramData\\Google\Google SketchUp 8\SketchUp8.lf"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:1808
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:2028

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e594444.rbs
        • Path C:\Config.Msi\e594444.rbs
        • Size 374KB
        • SHA256 7369887b35824e8cbe45bf9dd8872a66bff4690a5f523e905439411d8e39f616
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        LayOut.exe
        • Path C:\Program Files (x86)\Google\Google SketchUp 8\LayOut\LayOut.exe
        • Size 6.5MB
        • SHA256 bfa58d88314a7a65cf7aced0f983c03e273161b5ede6000105a2838ea51da92a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SketchUp.exe
        • Path C:\Program Files (x86)\Google\Google SketchUp 8\SketchUp.exe
        • Size 16.9MB
        • SHA256 3eae5036fd3693af3cd97bb7a39e0be82f865fe248827e19cd378e8e69743015
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Style Builder.exe
        • Path C:\Program Files (x86)\Google\Google SketchUp 8\Style Builder\Style Builder.exe
        • Size 2.7MB
        • SHA256 96be590462b3f21d379e2ab92abe239605e8ac1157f08f3a4fc6393bc3a417bb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        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

        SketchUp8.lf
        • Path C:\ProgramData\Google\Google SketchUp 8\SketchUp8.lf
        • Size 3KB
        • SHA256 255b182516d9d48c9ed7f7de21a5a76492a58d9dd420a7a8c4d01fc799a2ce8f
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        4DD39726D4B55AC3B4119B35A893323C_0AD56F8C68C2F6D10AF250F7FCBC4168
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\4DD39726D4B55AC3B4119B35A893323C_0AD56F8C68C2F6D10AF250F7FCBC4168
        • Size 5B
        • SHA256 bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128
        • MD5 SHA1 SHA512
        Submit Download

        60E31627FDA0A46932B0E5948949F2A5
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\60E31627FDA0A46932B0E5948949F2A5
        • Size 1KB
        • SHA256 64e94ea72dffb576571358d070cfe7ff5cbd6edb11d86492f818ca73bbaffd5d
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        4DD39726D4B55AC3B4119B35A893323C_0AD56F8C68C2F6D10AF250F7FCBC4168
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\4DD39726D4B55AC3B4119B35A893323C_0AD56F8C68C2F6D10AF250F7FCBC4168
        • Size 408B
        • SHA256 9988ab1d4b0489e982c938ce1bc6a42ba6ffb7ea5c463c1444902840fdeccd75
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        60E31627FDA0A46932B0E5948949F2A5
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\60E31627FDA0A46932B0E5948949F2A5
        • Size 182B
        • SHA256 98d7ef643ed07099f81d419add0f27d10d494db38c0a97d7131e13234048ff25
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        D47DBD2F9E3365FBBE008D71FB06716F_4DD1053BCC726DA41115FFF4C7D6E9CC
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D47DBD2F9E3365FBBE008D71FB06716F_4DD1053BCC726DA41115FFF4C7D6E9CC
        • Size 404B
        • SHA256 6b6b196e951e7c3f1c1ea3a2fa2d989eb1fc25d28331db531ece7e0b95ac0847
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        setup.exe
        • Path C:\Users\Admin\AppData\Local\Temp\7zSA35F.tmp\setup.exe
        • Size 389KB
        • SHA256 e3e7fba55bec3b61d0005f9f1bc2bd910b02a7cc7c7842b0009d9cf6adb54489
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        setup.exe.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\7zSA35F.tmp\setup.exe.tmp
        • Size 465KB
        • SHA256 480d6108b16ebc6235e495fc213c5198af352ba6b7774631813d688af5c924c7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MSI5450.tmp
        • Path C:\Windows\Installer\MSI5450.tmp
        • Size 28KB
        • SHA256 f6e34a4550e499346f5ab1d245508f16bf765ff24c4988984b89e049ca55737f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MSIC433.tmp
        • Path C:\Windows\Installer\MSIC433.tmp
        • Size 108KB
        • SHA256 d6237f186f1bd1e803318190170022d73b54e340c233cd5c91a3cc6cc62bc922
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ALLFSAF8a.ocx
        • Path C:\Windows\SysWOW64\ALLFSAF8a.ocx
        • Size 3KB
        • SHA256 dbdc67a974e8f4d596cb4cbe8780551cdb57c0fd2a5c7ec2aaadf8e2fbf5cba2
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        ALLFSAF8a.ocx
        • Path C:\Windows\SysWOW64\ALLFSAF8a.ocx
        • Size 3KB
        • SHA256 afd69a19d35c09b5fea7893565ea13b7630d8b90673377e6cab2bb28627c34ae
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        metadata-2
        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 24.1MB
        • SHA256 dfda91b4d2452a318e85ee72f5a6f5c8461eb9fe335866625f2989d9d8cbf253
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        {6966a8ac-377b-45e4-88ad-ef640cdd069e}_OnDiskSnapshotProp
        • Path \??\Volume{efdbfdc7-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{6966a8ac-377b-45e4-88ad-ef640cdd069e}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 109b9fbb2819c7236c47522f9c28095a9196b8733fec25d834f728bb3000c043
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1808-1492-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/1808-1516-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/1900-65-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/1900-44-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/1900-4-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/1900-1521-0x0000000077860000-0x00000000778C3000-memory.dmp
        Download

        memory/1900-45-0x0000000077860000-0x00000000778C3000-memory.dmp
        Download

        memory/1900-1520-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/1900-43-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/1900-42-0x0000000077860000-0x00000000778C3000-memory.dmp
        Download

        memory/1900-40-0x0000000077875000-0x0000000077876000-memory.dmp
        Download

        memory/1900-48-0x0000000077860000-0x00000000778C3000-memory.dmp
        Download

        memory/1900-53-0x0000000077860000-0x00000000778C3000-memory.dmp
        Download

        memory/1900-50-0x0000000077860000-0x00000000778C3000-memory.dmp
        Download

        memory/1900-52-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/3536-99-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/3536-1488-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/3536-90-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/4872-23-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/4872-47-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/4872-1519-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/4872-66-0x0000000010000000-0x0000000010030000-memory.dmp
        Download