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
    11/10/2026, 15:17

General

  • Target
    구매 문의 Purchase Inquiry_0.js
  • Size 711KB
  • Sample261011-spbe1aca98
  • SHA256 8fd8f83d1ced581a9412d3323591cdff9b2c7e70498719bf15da996056f704aa
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • lxbaserat

Version
  • 1.0.41

Botnet
  • Group1

Campaign
  • 1890e289a8e24876b03f7195f1d5a1e5

C2
  • 64.89.160.127:4561

Attributes
  • directory

    WindowsTelemetry\Logs

  • executable

    client.exe

  • password

    dxwloGHWdUH6yaQyyWMV

Signatures

  • Family: LxBaseRAT

    LxBaseRAT is a .NET remote access trojan with stealer capabilities.

  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\구매 문의 Purchase Inquiry_0.js"
    1⤵
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious use of WriteProcessMemory
    PID:3900
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /tn "ChannelIndex97" /xml "C:\Users\Admin\AppData\Local\Temp\1622449.xml" /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1956
  • C:\Users\Admin\AppData\Local\Temp\diagcoreqb.exe
    "C:\Users\Admin\AppData\Local\Temp\diagcoreqb.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3172
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
      2⤵
        PID:908
    • C:\Windows\system32\wscript.exe
      wscript.exe
      1⤵
        PID:5492

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            1622449.xml

            • Path C:\Users\Admin\AppData\Local\Temp\1622449.xml
            • Size 1KB
            • SHA256 c0800da8fee37877131bd56a88a7b6294e6c9645c788d1883605e667bc70dcd6
            • MD5 SHA1 SHA512 TLSH

            diagcoreqb.exe

            • Path C:\Users\Admin\AppData\Local\Temp\diagcoreqb.exe
            • Size 24KB
            • SHA256 e1e7df8ba2c78fbd150545011c0debbb32f19838aaa9b513f88c1a989adb2487
            • MD5 SHA1 SHA512 SSDEEP TLSH

            receiptqb.dat

            • Path C:\Users\Admin\AppData\Local\Temp\receiptqb.dat
            • Size 285KB
            • SHA256 a51712003a622316d4ba414445a28ed0738dbcd8fbb1f04bd688040e5ec51e97
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/908-11-0x0000000000400000-0x0000000000496000-memory.dmp

            memory/3172-5-0x0000000000410000-0x0000000000411000-memory.dmp

            memory/3172-12-0x0000000000810000-0x0000000000811000-memory.dmp

            memory/3172-10-0x0000000000800000-0x0000000000801000-memory.dmp

            memory/3172-8-0x00000000007E0000-0x00000000007E1000-memory.dmp

            memory/3172-6-0x00000000007C0000-0x00000000007C1000-memory.dmp

            memory/3172-7-0x00000000007D0000-0x00000000007D1000-memory.dmp