Analysis

  • max time kernel
    149s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 12:15

General

  • Target
    PO2789543.js
  • Size 4.5MB
  • Sample260701-pfejhsfx71
  • SHA256 d3f1a59bea524704c1075e1821932ae3af1d5bc1fab47983394b0371fc8f15f5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.2.5 Pro

Botnet
  • RemoteHost

C2
  • 130.12.182.29:2404

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-ODANG1

  • 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
  • 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
  • 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).

  • Modifies registry class 3 IoCs
  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 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.

  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\PO2789543.js
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:716
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 15 /tn PO2789543 /tr C:\Users\Admin\Documents\PO2789543.url
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:432
      • C:\Windows\system32\schtasks.exe
        schtasks /create /sc minute /mo 15 /tn PO2789543 /tr C:\Users\Admin\Documents\PO2789543.url
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:6620
    • C:\Users\Admin\Documents\RFEHOKMETYPCVCPL.PIF
      "C:\Users\Admin\Documents\RFEHOKMETYPCVCPL.PIF" C:\Users\Admin\Documents\RFEHOKMETYPCVCPL.ttf
      2⤵
      • Suricata alert: REMCOS RAT Malware Inbound C2 Communication
      • Suricata alert: REMCOS RAT Malware Outbound C2 Communication
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      PID:5824
  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\PO2789543.js"
    1⤵
    • Modifies registry class
    PID:4168

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        logs.dat

        • Path C:\ProgramData\remcos\logs.dat
        • Size 152B
        • SHA256 f719f0421cc337ff34601be3a816cc2f53223b859d73ce2193066bd6437e1a85
        • MD5 SHA1 SHA512 TLSH

        RFEHOKMETYPCVCPL.PIF

        • Path C:\Users\Admin\Documents\RFEHOKMETYPCVCPL.PIF
        • Size 467KB
        • SHA256 52f0c0230b580e2fdf53a378b5c6d0db9829af900dae43e0df8f18635cd9f0c1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RFEHOKMETYPCVCPL.ttf

        • Path C:\Users\Admin\Documents\RFEHOKMETYPCVCPL.ttf
        • Size 977KB
        • SHA256 4dc402ddf03475ec601241eeb987cc6b081e098da27c0ad613e7a1c9fc0dd635
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5824-10-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-11-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-12-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-13-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-18-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-17-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-16-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-15-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-14-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-19-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-21-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-20-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-22-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-25-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-27-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-26-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-24-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-23-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-29-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-28-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-30-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-43-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-54-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-53-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-52-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-51-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-50-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-49-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-48-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-47-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-46-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-44-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-42-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-41-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-40-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-39-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-45-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-38-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-37-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-36-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-35-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-34-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-33-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-32-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-31-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5824-55-0x0000000016280000-0x0000000017280000-memory.dmp

        memory/5824-56-0x0000000002CD0000-0x0000000002D7B000-memory.dmp

        memory/5824-58-0x0000000180000000-0x000000018012D000-memory.dmp

        memory/5824-61-0x0000000180000000-0x000000018012D000-memory.dmp

        memory/5824-65-0x0000000180000000-0x000000018012D000-memory.dmp

        memory/5824-64-0x0000000180000000-0x000000018012D000-memory.dmp

        memory/5824-63-0x0000000180000000-0x000000018012D000-memory.dmp

        memory/5824-62-0x0000000180000000-0x000000018012D000-memory.dmp

        memory/5824-60-0x0000000180000000-0x000000018012D000-memory.dmp

        memory/5824-71-0x0000000180000000-0x000000018012D000-memory.dmp

        memory/5824-74-0x0000000180000000-0x000000018012D000-memory.dmp

        memory/5824-72-0x0000000180000000-0x000000018012D000-memory.dmp

        memory/5824-70-0x0000000180000000-0x000000018012D000-memory.dmp

        memory/5824-69-0x0000000180000000-0x000000018012D000-memory.dmp

        memory/5824-68-0x0000000180000000-0x000000018012D000-memory.dmp

        memory/5824-67-0x0000000180000000-0x000000018012D000-memory.dmp

        memory/5824-66-0x0000000180000000-0x000000018012D000-memory.dmp

        memory/5824-73-0x0000000180000000-0x000000018012D000-memory.dmp

        memory/5824-76-0x0000000000400000-0x000000000047B000-memory.dmp