Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/11/2026, 08:46

General

  • Target
    Fiyat Teklifi.js
  • Size 3.9MB
  • Sample261114-kpdalact5p
  • SHA256 696a2a46b97a6bb4d5aa5995f69dc6fc31af74a2c091bc623b563f6f748bf466
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Botnet
  • BSAT

C2
  • kingremcos2026.duckdns.org:2404

  • kingremcos2026.duckdns.org:2065

  • kingremcos2026duckdns.com:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-5OGYUD

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Family: DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

  • 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 10 IoCs

    Network activity triggered a Suricata alert

  • Detects DonutLoader 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Registers new Windows logon scripts automatically executed at logon. 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 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.

  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 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.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Fiyat Teklifi.js"
    1⤵
    • Registers new Windows logon scripts automatically executed at logon.
    • Suspicious use of WriteProcessMemory
    PID:3204
    • C:\ProgramData\KKWJIJLWHEEBQJGNIKII\KKWJIJLWHEEBQJGNIKII.exe
      "C:\ProgramData\KKWJIJLWHEEBQJGNIKII\KKWJIJLWHEEBQJGNIKII.exe" "C:\ProgramData\KKWJIJLWHEEBQJGNIKII\KKWJIJLWHEEBQJGNIKII.ini"
      2⤵
      • Suricata alert: REMCOS RAT Malware Inbound C2 Communication
      • Suricata alert: REMCOS RAT Malware Outbound C2 Communication
      • Executes dropped EXE
      • Loads dropped DLL
      • Accesses Microsoft Outlook profiles
      • 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:2800

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        KKWJIJLWHEEBQJGNIKII.exe

        • Path C:\ProgramData\KKWJIJLWHEEBQJGNIKII\KKWJIJLWHEEBQJGNIKII.exe
        • Size 957KB
        • SHA256 bdd2b7236a110b04c288380ad56e8d7909411da93eed2921301206de0cb0dda1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        KKWJIJLWHEEBQJGNIKII.ini

        • Path C:\ProgramData\KKWJIJLWHEEBQJGNIKII\KKWJIJLWHEEBQJGNIKII.ini
        • Size 3KB
        • SHA256 c72a53aac610267bd35cba0a71e1fbd3ab1caeab12c8713321cdf125d30bf8bd
        • MD5 SHA1 SHA512 TLSH

        KKWJIJLWHEEBQJGNIKII.zip

        • Path C:\ProgramData\KKWJIJLWHEEBQJGNIKII\KKWJIJLWHEEBQJGNIKII.zip
        • Size 747KB
        • SHA256 6d124143384a6dd7165f1391588ea40c633bce93d4d7b5ec817d6dc805cfc65b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        environment.ini

        • Path C:\ProgramData\KKWJIJLWHEEBQJGNIKII\environment.ini
        • Size 746KB
        • SHA256 9f397f465eda00faa2a8c03a5c478097dac446d6cacb9248c2d7dcd071986684
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcruntime140.dll

        • Path C:\ProgramData\KKWJIJLWHEEBQJGNIKII\vcruntime140.dll
        • Size 524KB
        • SHA256 e1a946cb639775802a457bd35f4c3fa7cfe0b1e20f1db1c3648b6a4d4d3de013
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logs.dat

        • Path C:\ProgramData\remcos\logs.dat
        • Size 102B
        • SHA256 839f69c6c2dd64583a9db1db97e50436d17db7658028cbbf654326633dd7a78a
        • 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

        memory/2800-440-0x00000000FF210000-0x00000000FF220000-memory.dmp

        memory/2800-67-0x00000000FF210000-0x00000000FF220000-memory.dmp

        memory/2800-425-0x00000000FF210000-0x00000000FF220000-memory.dmp

        memory/2800-63-0x00000000FF210000-0x00000000FF220000-memory.dmp

        memory/2800-372-0x00000000FF210000-0x00000000FF220000-memory.dmp

        memory/2800-352-0x00000000FF210000-0x00000000FF220000-memory.dmp

        memory/2800-88-0x00000000FF210000-0x00000000FF220000-memory.dmp

        memory/2800-62-0x0000000001EB0000-0x0000000001EB1000-memory.dmp

        memory/2800-66-0x00000000046D0000-0x0000000004759000-memory.dmp

        memory/2800-789-0x00000000051B0000-0x000000000523D000-memory.dmp

        memory/2800-793-0x0000000010000000-0x00000000100F7000-memory.dmp

        memory/2800-791-0x0000000010000000-0x00000000100F7000-memory.dmp

        memory/2800-794-0x0000000010000000-0x00000000100F7000-memory.dmp

        memory/2800-64-0x00000000FF210000-0x00000000FF220000-memory.dmp

        memory/2800-802-0x0000000066D80000-0x0000000066E09000-memory.dmp

        memory/2800-65-0x00000000FF210000-0x00000000FF220000-memory.dmp