Analysis

  • max time kernel
    175s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    01/08/2026, 16:26

General

  • Target
    Brokkr-windows-arm64.exe
  • Size 28.0MB
  • Sample260801-txpg9sde47
  • SHA256 04f2d2126977c7d1a95bec4987c9f76a0e9cfc1958ce1e4882a867219c2e40ea
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 55 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Brokkr-windows-arm64.exe
    C:\Users\Admin\AppData\Local\Temp\Brokkr-windows-arm64.exe /S
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1936

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsa4533.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 a921cc9cc4af332be96186d60d2539cb413dfa44cfd73e85687f9338505ff85e
        • MD5 SHA1 SHA512 TLSH