Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    116s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/11/2026, 16:58

General

  • Target
    kyrx.exe
  • Size 5.9MB
  • Sample261107-vg4spaev3k
  • SHA256 49f2ce4f4bb657d6832a55d286b5f5957e9f78ac6ccf2115e1a9c2ae37248f6f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Creates a file in the Startup directory 1 TTPs 1 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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.

  • 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\kyrx.exe
    "C:\Users\Admin\AppData\Local\Temp\kyrx.exe"
    1⤵
    • Creates a file in the Startup directory
    • Reads the TCP/IP host and domain name from the registry
    PID:3532

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.losershaha.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-1704430598-3087477806-3297458608-1000\desktop.ini.losershaha.tmp
        • Size 157B
        • SHA256 d696e5796579c2dd91a9bcd82d19634650a77daab10a17f764821de8f8f8c920
        • MD5 SHA1 SHA512 TLSH

        ConfirmUse.ico.losershaha.tmp

        • Path C:\Users\Admin\Downloads\ConfirmUse.ico.losershaha.tmp
        • Size 475KB
        • SHA256 995954bc3e11563f312f740d74d7e856e982a6e84f8e659fd3d7e58b7ed06295
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ConvertTest.DVR-MS.losershaha.tmp

        • Path C:\Users\Admin\Downloads\ConvertTest.DVR-MS.losershaha.tmp
        • Size 778KB
        • SHA256 828f4293306860aaebbdf396f6e2848b8d74cfa99a3aa6846104f38ec68a5427
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ProtectUnregister.vb.losershaha.tmp

        • Path C:\Users\Admin\Downloads\ProtectUnregister.vb.losershaha.tmp
        • Size 864KB
        • SHA256 6f3f4d3ff3c46415edd7005a5540a53d2c3cb17151189f405f0725b739ac5fae
        • MD5 SHA1 SHA512 SSDEEP TLSH