Analysis

  • max time kernel
    40s
  • max time network
    23s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/10/2026, 14:12

General

  • Target
    K-Lite_Codec_Pack_2000_Standard.exe
  • Size 39.3MB
  • Sample261002-rhzctazz4j
  • SHA256 1cc18f454a836ae59db6305ae08bd8b0001ba5ecc5679a60841dd5d794a2ce52
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Inno Setup is an open-source installation builder for Windows applications. 2 IoCs

    Inno Setup installer

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\K-Lite_Codec_Pack_2000_Standard.exe
    "C:\Users\Admin\AppData\Local\Temp\K-Lite_Codec_Pack_2000_Standard.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5892
    • C:\Users\Admin\AppData\Local\Temp\is-T6H8D.tmp\K-Lite_Codec_Pack_2000_Standard.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-T6H8D.tmp\K-Lite_Codec_Pack_2000_Standard.tmp" /SL5="$500E0,40222011,446464,C:\Users\Admin\AppData\Local\Temp\K-Lite_Codec_Pack_2000_Standard.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      PID:3672

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        detect_speakerconfig.dll

        • Path C:\Users\Admin\AppData\Local\Temp\is-0MCVH.tmp\detect_speakerconfig.dll
        • Size 67KB
        • SHA256 b8644e445548d7af65f4619e3acbed248f94e65c69fe88262837f49e77e00960
        • MD5 SHA1 SHA512 SSDEEP TLSH

        klcp_gpu_info.dll

        • Path C:\Users\Admin\AppData\Local\Temp\is-0MCVH.tmp\klcp_gpu_info.dll
        • Size 75KB
        • SHA256 96cbabac80d34411ae2efcadea9ce858454bbd6b5a02c211a195cb23dbd8cebd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        K-Lite_Codec_Pack_2000_Standard.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-T6H8D.tmp\K-Lite_Codec_Pack_2000_Standard.tmp
        • Size 2.4MB
        • SHA256 8559f0ca2bfe390985d4bec0467bac359447625c9cd18415ca8b8c5442850e6d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3672-6-0x00000000025A0000-0x00000000025A1000-memory.dmp

        memory/3672-21-0x0000000000400000-0x000000000067D000-memory.dmp

        memory/3672-22-0x00000000025A0000-0x00000000025A1000-memory.dmp

        memory/3672-24-0x0000000000400000-0x000000000067D000-memory.dmp

        memory/3672-26-0x0000000000400000-0x000000000067D000-memory.dmp

        memory/5892-1-0x0000000000400000-0x000000000047B000-memory.dmp

        memory/5892-20-0x0000000000400000-0x000000000047B000-memory.dmp