Overview

overview

5

Static

static

5

Loader_Free.exe

windows10-2004-x64

5

Loader_Free.exe

windows11-ltsc_2024-x64

5

Analysis

  • user interaction
    yes
  • max time kernel
    900s
  • max time network
    467s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    18/10/2026, 19:36

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General

  • Target
    Loader_Free.exe
  • Size 6.1MB
  • Sample261018-ya9bdacd44
  • SHA256 8cf1f896a25d7d830f0dbaa72bed11528b057ca64fe43da82e6c9abbd46a9128
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
5/10
defense_evasiondiscoveryexecutionupx

Malware Config

Signatures

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 1 IoCs
    defense_evasion
  • UPX packed file 2 IoCs

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

    upx
  • Executes a command shell one-liner 1 TTPs 1 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 2 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Loader_Free.exe
    "C:\Users\Admin\AppData\Local\Temp\Loader_Free.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3712
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Loader_Free.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4912
      • C:\Windows\system32\certutil.exe
        certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Loader_Free.exe" MD5
        3⤵
          PID:3340
        • C:\Windows\system32\find.exe
          find /i /v "md5"
          3⤵
            PID:3016
          • C:\Windows\system32\find.exe
            find /i /v "certutil"
            3⤵
              PID:4196
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k GPSvcGroup
          1⤵
            PID:4032
          • C:\Windows\System32\SecurityHealthHost.exe
            \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
            1⤵
              PID:2600

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  memory/3712-0-0x00007FF6101B9000-0x00007FF610564000-memory.dmp
                  Download

                  memory/3712-1-0x00007FFF5ECB0000-0x00007FFF5ECB2000-memory.dmp
                  Download

                  memory/3712-2-0x00007FFF5ECC0000-0x00007FFF5ECC2000-memory.dmp
                  Download

                  memory/3712-3-0x00007FF6100B0000-0x00007FF610B82000-memory.dmp
                  Download

                  memory/3712-7-0x00007FF6101B9000-0x00007FF610564000-memory.dmp
                  Download

                  memory/3712-8-0x00007FF6100B0000-0x00007FF610B82000-memory.dmp
                  Download