Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/11/2026, 21:56

General

  • Target
    WonRemote-Agent-Update.exe
  • Size 28.3MB
  • Sample261110-1tpgesdw2v
  • SHA256 387063f08e1cf63e9ddea8fa74e73e17b56741e78d91d4b4768017ad3ced3306
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\WonRemote-Agent-Update.exe
    "C:\Users\Admin\AppData\Local\Temp\WonRemote-Agent-Update.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3236
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\nsmC730.tmp\agent-file-update.ps1" -PayloadRoot "C:\Users\Admin\AppData\Local\Temp\nsmC730.tmp\payload" -InstallerProcessId 3236
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4012

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsmC730.tmp\System.dll
        • Size 12KB
        • SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        agent-file-update.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\nsmC730.tmp\agent-file-update.ps1
        • Size 5KB
        • SHA256 f438d794bc4222903dab38787b9da1e47fa88c4a39880e87dfb11e0abfafe0c3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nsExec.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsmC730.tmp\nsExec.dll
        • Size 7KB
        • SHA256 b121689861b506dbc9c3797b49bc8a90d555cb7db58cb959165cc758391c00bb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4012-30-0x00000000055F0000-0x0000000005656000-memory.dmp

        memory/4012-33-0x00000000057D0000-0x0000000005B2B000-memory.dmp

        memory/4012-27-0x00000000745A0000-0x0000000074D5C000-memory.dmp

        memory/4012-26-0x0000000004E10000-0x000000000545A000-memory.dmp

        memory/4012-28-0x00000000054E0000-0x0000000005502000-memory.dmp

        memory/4012-24-0x0000000000F00000-0x0000000000F36000-memory.dmp

        memory/4012-29-0x0000000005580000-0x00000000055E6000-memory.dmp

        memory/4012-25-0x00000000745A0000-0x0000000074D5C000-memory.dmp

        memory/4012-34-0x0000000005B50000-0x0000000005B6E000-memory.dmp

        memory/4012-35-0x0000000005BB0000-0x0000000005BFC000-memory.dmp

        memory/4012-23-0x00000000745B2000-0x00000000745B3000-memory.dmp

        memory/4012-38-0x0000000006140000-0x000000000615A000-memory.dmp

        memory/4012-37-0x0000000007510000-0x0000000007B8C000-memory.dmp

        memory/4012-40-0x00000000745A0000-0x0000000074D5C000-memory.dmp