Overview

overview

9

Static

static

3

Noro External.exe

windows10-2004-x64

9

Noro External.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    131s
  • 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, 22:52

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General

  • Target
    Noro External.exe
  • Size 2.4MB
  • Sample261110-2tj3dacb39
  • SHA256 175a3b73e3eba947c89206887973aa4cb3ea8210e3a9bb46da7128db76075ab7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoveryexecution

Malware Config

Signatures

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
    defense_evasion
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
    defense_evasion
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 57 IoCs
    defense_evasion
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Noro External.exe
    "C:\Users\Admin\AppData\Local\Temp\Noro External.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5980
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Noro External.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5868
      • C:\Windows\system32\certutil.exe
        certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Noro External.exe" MD5
        3⤵
          PID:3728
        • C:\Windows\system32\find.exe
          find /i /v "md5"
          3⤵
            PID:4308
          • C:\Windows\system32\find.exe
            find /i /v "certutil"
            3⤵
              PID:4656
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Noro External.exe.del.bat" "
            2⤵
            • Executes a command shell one-liner
            PID:5844

        Network

              MITRE ATT&CK Enterprise v16

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              Downloads

              Noro External.exe.del.bat
              • Path C:\Users\Admin\AppData\Local\Temp\Noro External.exe.del.bat
              • Size 168B
              • SHA256 0076025e39b34082040ca8ba11c9de45711c2a66995a0fad96eba9c143302538
              • MD5 SHA1 SHA512 TLSH
              Submit Download