Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/07/2026, 01:39

General

  • Target
    freefn.exe
  • Size 384KB
  • Sample260712-b284csd16x
  • SHA256 61bd12a88e8a8a612b7341100ca58d9ddb2fa45f46508c0717bfd9495f25c978
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10

Malware Config

Signatures

  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • Executes dropped EXE 1 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\freefn.exe
    "C:\Users\Admin\AppData\Local\Temp\freefn.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4316
    • C:\Users\Admin\AppData\Local\Temp\freefn.exe
      "C:\Users\Admin\AppData\Local\Temp\freefn.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4880
      • C:\Users\Admin\AppData\Local\Temp\kdmapper_Release.exe
        "C:\Users\Admin\AppData\Local\Temp\kdmapper_Release.exe" "C:\Users\Admin\AppData\Local\Temp\SofMain1337.sys"
        3⤵
        • Sets service image path in registry
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: LoadsDriver
        • Suspicious use of AdjustPrivilegeToken
        PID:1836
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c cls
        3⤵
          PID:5648

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          kdmapper_Release.exe

          • Path C:\Users\Admin\AppData\Local\Temp\kdmapper_Release.exe
          • Size 150KB
          • SHA256 5142e2689d47e9f84c831598331db3632f0c268f99bbb7b9cd70543227838776
          • MD5 SHA1 SHA512 SSDEEP TLSH