Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/10/2026, 20:36

General

  • Target
    2026-10-01_5aa417981afd471dfd85da58208d3639_elex_remcos_rhadamanthys_stop.exe
  • Size 2.0MB
  • Sample261003-zdq5msxane
  • SHA256 2d40ff2c47138020f4e811f58a338751d780fd4cf5985183a3e66fcc84381e4b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 1 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-01_5aa417981afd471dfd85da58208d3639_elex_remcos_rhadamanthys_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-01_5aa417981afd471dfd85da58208d3639_elex_remcos_rhadamanthys_stop.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4116

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/4116-0-0x0000000002B70000-0x0000000002CF9000-memory.dmp

        memory/4116-2-0x0000000002D00000-0x0000000002D85000-memory.dmp

        memory/4116-6-0x0000000002D00000-0x0000000002D85000-memory.dmp

        memory/4116-7-0x0000000002D00000-0x0000000002D85000-memory.dmp

        memory/4116-13-0x0000000003AC0000-0x0000000003AC1000-memory.dmp