Analysis

  • max time kernel
    149s
  • 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
    26/10/2026, 03:45

General

  • Target
    Quotation.JS.js
  • Size 4.9MB
  • Sample261026-ea9glaby21
  • SHA256 04d9c053e5cff50a9eb0e974dd7b2b6a7065099329ba5073c769b4fe17f654f4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Suricata alert: REMCOS RAT Malware Inbound C2 Communication 8 IoCs

    Network activity triggered a Suricata alert

  • Suricata alert: REMCOS RAT Malware Outbound C2 Communication 13 IoCs

    Network activity triggered a Suricata alert

  • UAC bypass 3 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 4 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • 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.

  • 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.

  • Modifies registry class 3 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 3 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\Quotation.JS.js
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:828
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c echo. > "C:\Users\Admin\AppData\Local\Temp\Quotation.JS.js:Zone.Identifier"
      2⤵
      • Executes a command shell one-liner
      • NTFS ADS
      PID:3592
    • C:\Users\Admin\Documents\GHKHYJTGRTKJLPAO.exe
      "C:\Users\Admin\Documents\GHKHYJTGRTKJLPAO.exe" C:\Users\Admin\Documents\OAPLJKTRGTJYHKHG
      2⤵
      • Suricata alert: REMCOS RAT Malware Inbound C2 Communication
      • Suricata alert: REMCOS RAT Malware Outbound C2 Communication
      • UAC bypass
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      • outlook_office_path
      PID:1768
  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\Documents\OAPLJKTRGTJYHKHG.vbs"
    1⤵
    • Executes a VBScript file via the Windows Script Host.
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5964
    • C:\Users\Admin\Documents\GHKHYJTGRTKJLPAO.exe
      "C:\Users\Admin\Documents\GHKHYJTGRTKJLPAO.exe" "C:\Users\Admin\Documents\OAPLJKTRGTJYHKHG"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      PID:2076

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        logs.dat

        • Path C:\ProgramData\remcos\logs.dat
        • Size 144B
        • SHA256 85303fa3ae61c08b0b6bdcdfed1708e94fbaf3175f4fede3f68d5e5813ff046e
        • MD5 SHA1 SHA512 TLSH

        GHKHYJTGRTKJLPAO.exe

        • Path C:\Users\Admin\Documents\GHKHYJTGRTKJLPAO.exe
        • Size 499KB
        • SHA256 d447a06cba8d3dbe80e09d73dd64576836b258961ee0d3ba56cf26cea7962b49
        • MD5 SHA1 SHA512 SSDEEP TLSH

        GHKHYJTGRTKJLPAO.mui

        • Path C:\Users\Admin\Documents\GHKHYJTGRTKJLPAO.mui
        • Size 2B
        • SHA256 3e1e967e9b793e908f8eae83c74dba9bcccce6a5535b4b462bd9994537bfe15c
        • MD5 SHA1 SHA512

        OAPLJKTRGTJYHKHG

        • Path C:\Users\Admin\Documents\OAPLJKTRGTJYHKHG
        • Size 1.3MB
        • SHA256 2f35a9ab0a71f78b564ea08cdc5d308f069240a09cc2c0e606f7d2654cc1adda
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OAPLJKTRGTJYHKHG.vbs

        • Path C:\Users\Admin\Documents\OAPLJKTRGTJYHKHG.vbs
        • Size 234B
        • SHA256 dc45d85680b41dbf654bde6f31e566e6ea4553fcf006238fd1174fb6bcab12c2
        • MD5 SHA1 SHA512 TLSH

        memory/1768-11-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-12-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-22-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-21-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-19-0x0000000000D80000-0x0000000000D81000-memory.dmp

        memory/1768-20-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-18-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-16-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-17-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-13-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-24-0x0000000000D90000-0x0000000000D91000-memory.dmp

        memory/1768-26-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-28-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-27-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-25-0x0000000000DA0000-0x0000000000DA1000-memory.dmp

        memory/1768-23-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-41-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-76-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-74-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-73-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-72-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-71-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-70-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-69-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-68-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-67-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-66-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-65-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-64-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-63-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-62-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-61-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-60-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-59-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-58-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-57-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-56-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-55-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-54-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-53-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-52-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-42-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-75-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-51-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-50-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-49-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-48-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-47-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-46-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-45-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-44-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-43-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-40-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-39-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-38-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-37-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-36-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-35-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-34-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-33-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-32-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-31-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-30-0x000000007FE90000-0x000000007FEA0000-memory.dmp

        memory/1768-29-0x000000007FE90000-0x000000007FEA0000-memory.dmp