Overview

overview

5

Static

static

3

ff.exe

windows10-2004-x64

5

ff.exe

windows11-ltsc_2024-x64

5

Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/06/2026, 01:04

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General

  • Target
    ff.exe
  • Size 17.7MB
  • Sample260620-bex3ksdy41
  • SHA256 5dd9937a006c0c927752ad68e28279a1408c9fc6e9be5e4bb844b25c5a424299
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
5/10
defense_evasion

Malware Config

Signatures

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff.exe
    "C:\Users\Admin\AppData\Local\Temp\ff.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:6044
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\ff.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3316
      • C:\Windows\system32\certutil.exe
        certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\ff.exe" MD5
        3⤵
          PID:3976
        • C:\Windows\system32\find.exe
          find /i /v "md5"
          3⤵
            PID:5536
          • C:\Windows\system32\find.exe
            find /i /v "certutil"
            3⤵
              PID:2024
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c start cmd /C "color b && title Error && echo You need to run the KeyAuthApp.init(); function before any other KeyAuth functions && timeout /t 5"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4584
            • C:\Windows\system32\cmd.exe
              cmd /C "color b && title Error && echo You need to run the KeyAuthApp.init(); function before any other KeyAuth functions && timeout /t 5"
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:2280
              • C:\Windows\system32\timeout.exe
                timeout /t 5
                4⤵
                • Delays execution with timeout.exe
                PID:4252

        Network

              MITRE ATT&CK Matrix

              Replay Monitor

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              Downloads

              memory/6044-0-0x00007FF7E46D5000-0x00007FF7E56EA000-memory.dmp
              Download

              memory/6044-1-0x00007FF7E4580000-0x00007FF7E68A5000-memory.dmp
              Download

              memory/6044-3-0x00007FFD52F80000-0x00007FFD52F82000-memory.dmp
              Download

              memory/6044-4-0x00007FF7E4580000-0x00007FF7E68A5000-memory.dmp
              Download

              memory/6044-2-0x00007FFD52F70000-0x00007FFD52F72000-memory.dmp
              Download

              memory/6044-8-0x00007FF7E4580000-0x00007FF7E68A5000-memory.dmp
              Download

              memory/6044-9-0x00007FF7E46D5000-0x00007FF7E56EA000-memory.dmp
              Download

              memory/6044-10-0x00007FF7E4580000-0x00007FF7E68A5000-memory.dmp
              Download