Analysis

  • max time kernel
    148s
  • max time network
    122s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 04:43

General

  • Target
    2026-07-05_ea48a30141b7c0b4761111e16d7ec30b_elex_floxif_remcos_stop.exe
  • Size 1.4MB
  • Sample260705-fb9dnahw3s
  • SHA256 024804487e0437430c521eaf5777701d52767071ec18154b0f45d4c8c4add34a
  • 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) 7 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 2 IoCs
  • Loads dropped DLL 9 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • UPX packed file 7 IoCs

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

  • Drops file in Program Files directory 9 IoCs
  • 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.

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-05_ea48a30141b7c0b4761111e16d7ec30b_elex_floxif_remcos_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-05_ea48a30141b7c0b4761111e16d7ec30b_elex_floxif_remcos_stop.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:4264
    • C:\Program Files (x86)\Intel\Intel(R) Integrated Clock Controller Service\ICCProxy.exe
      "C:\Program Files (x86)\Intel\Intel(R) Integrated Clock Controller Service\ICCProxy.exe" /service
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:2672
  • C:\Program Files (x86)\Intel\Intel(R) Integrated Clock Controller Service\ICCProxy.exe
    "C:\Program Files (x86)\Intel\Intel(R) Integrated Clock Controller Service\ICCProxy.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3368

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        IntelICCS.log

        • Path C:\Intel\Logs\IntelICCS.log
        • Size 904B
        • SHA256 27ab92a7205674fe88d7cf2c67868cb5ef43afd296da814dd28a9123c7f6d0b6
        • MD5 SHA1 SHA512 TLSH

        IntelICCS.log

        • Path C:\Intel\Logs\IntelICCS.log
        • Size 4KB
        • SHA256 eecdda602275004205050a9e7997dd5a1098e4cb7b66c9f50df9b45ead8a5fbb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ICCProxy.exe.tmp

        • Path C:\Program Files (x86)\Intel\Intel(R) Integrated Clock Controller Service\ICCProxy.exe.tmp
        • Size 242KB
        • SHA256 003dc537f33433fc46310b17803e1de4c7f7049228e682caacc81d3cc7910482
        • MD5 SHA1 SHA512 SSDEEP TLSH

        symsrv.dll

        • Path C:\Program Files\Common Files\System\symsrv.dll
        • Size 67KB
        • SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ICCProxy.exe

        • Path C:\Windows\Temp\IIFB7A3.tmp\ICC_PROXY\ICCProxy.exe
        • Size 165KB
        • SHA256 e312dd068e51dbf96a8232d7d1c9f158652fda23649655f1102928b320795091
        • MD5 SHA1 SHA512 SSDEEP TLSH

        license.txt

        • Path C:\Windows\Temp\IIFB7A3.tmp\Lang\en-US\license.txt
        • Size 9KB
        • SHA256 e34ba4f8d3bba4c68bc0ba941a3cc6424f0e81d6bd883b4d424bc363b3386aa2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.exe.dll

        • Path C:\Windows\Temp\IIFB7A3.tmp\Lang\en-US\setup.exe.dll
        • Size 17KB
        • SHA256 86f97668b5f2efe0c67c049a60f0e781c2a2d3de1e3c752816da9d24b30058b7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2672-128-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/2672-129-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3368-135-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3368-150-0x0000000000020000-0x000000000004D000-memory.dmp

        memory/3368-152-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4264-142-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4264-4-0x0000000010000000-0x0000000010030000-memory.dmp