Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-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 7 IoCs

    Network activity triggered a Suricata alert

  • Suricata alert: REMCOS RAT Malware Outbound C2 Communication 9 IoCs

    Network activity triggered a Suricata alert

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • NTFS ADS 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 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⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4852
    • 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:452
    • 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
      • 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
      • outlook_office_path
      PID:1440
  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\Documents\OAPLJKTRGTJYHKHG.vbs"
    1⤵
    • Checks computer location settings
    • Executes a VBScript file via the Windows Script Host.
    • Suspicious use of WriteProcessMemory
    PID:3848
    • 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:1876

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        logs.dat

        • Path C:\ProgramData\remcos\logs.dat
        • Size 144B
        • SHA256 afc2cb514817372cff3e059fd4fd94ca7ca2b0fb84d3167127ae06096dfc5a06
        • MD5 SHA1 SHA512 TLSH

        Login Data For Account.tmp

        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data For Account.tmp
        • Size 40KB
        • SHA256 06aeb2f9c1ee642348c091fb27541c143545354c273055ce30832e0f61aedf81
        • MD5 SHA1 SHA512 SSDEEP 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 96061e92f58e4bdcdee73df36183fe3ac64747c81c26f6c83aada8d2aabb1864
        • 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/1440-11-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-12-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-13-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-16-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-22-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-21-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-20-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-19-0x0000000000CE0000-0x0000000000CE1000-memory.dmp

        memory/1440-18-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-17-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-28-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-27-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-26-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-41-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-40-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-39-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-38-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-37-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-36-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-35-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-34-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-33-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-32-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-31-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-30-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-29-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-25-0x0000000002C40000-0x0000000002C41000-memory.dmp

        memory/1440-24-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

        memory/1440-23-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-76-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-75-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-74-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-73-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-72-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-71-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-70-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-69-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-68-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-67-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-66-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-65-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-64-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-63-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-62-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-61-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-60-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-59-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-58-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-57-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-56-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-55-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-54-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-53-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-52-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-51-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-50-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-49-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-48-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-47-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-46-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-45-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-44-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-43-0x000000007FE40000-0x000000007FE50000-memory.dmp

        memory/1440-42-0x000000007FE40000-0x000000007FE50000-memory.dmp