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
    150s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-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) 15 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 1 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 1 IoCs
  • UPX packed file 15 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 45 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 3 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 4 IoCs
    defense_evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 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:5060
    • C:\Users\Admin\AppData\Local\Temp\7zSF2A8.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 behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1488
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • 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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4172
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1900
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 58ADB5C4C9314A30324F4F003F4D73FB
      2⤵
      • Loads dropped DLL
      • Badlisted process makes network request
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1064
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:5316

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e59a223.rbs
        • Path C:\Config.Msi\e59a223.rbs
        • Size 374KB
        • SHA256 e1aac019cd64119a6b8a7064da64183f6051d88b40ae9f84a8b0afef9eadf2ca
        • 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

        setup.exe
        • Path C:\Users\Admin\AppData\Local\Temp\7zSF2A8.tmp\setup.exe
        • Size 389KB
        • SHA256 e3e7fba55bec3b61d0005f9f1bc2bd910b02a7cc7c7842b0009d9cf6adb54489
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        setup.exe.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\7zSF2A8.tmp\setup.exe.tmp
        • Size 465KB
        • SHA256 68ab3368560148865290c15240290e8f9bbc1aea401973994dee0f24ef8db834
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MSIB5F8.tmp
        • Path C:\Windows\Installer\MSIB5F8.tmp
        • Size 28KB
        • SHA256 f6e34a4550e499346f5ab1d245508f16bf765ff24c4988984b89e049ca55737f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        metadata-2
        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 26.1MB
        • SHA256 c2920f71b3c04d978871d028839068d04960d4e48d5908587a1b6f0b606efaac
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        {622aaf02-2e9c-4fbf-b0a2-9203cd001a65}_OnDiskSnapshotProp
        • Path \??\Volume{24fec12f-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{622aaf02-2e9c-4fbf-b0a2-9203cd001a65}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 eb282593a91b7e29cda85c75bf4774cc0fafec208ba0caca19bc6e8f82a4377d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1064-61-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/1064-1459-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/1064-72-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/1064-1436-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/1488-24-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/1488-1463-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/1488-41-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/1488-40-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/1488-49-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/5060-38-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/5060-4-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/5060-43-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/5060-48-0x0000000010000000-0x0000000010030000-memory.dmp
        Download

        memory/5060-1464-0x0000000010000000-0x0000000010030000-memory.dmp
        Download