Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    31/03/2026, 05:02

General

  • Target
    2026-03-31_29b79c41e14710fdbaca95a27401c582_coinminer_elex_luca-stealer_mespinoza_njrat_remcos.exe
  • Size 1.4MB
  • Sample260331-fpljraev2q
  • SHA256 bbeb50deceacb2353b29fb923094f80b2f6549fb3ee316e52d1fe735d7de366a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 4.9.4 Pro

Botnet
  • RemoteHost

C2
  • rmcnewlistening.duckdns.org:14645

Attributes
  • audio_folder

    MicRecords

  • 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-AK1F22

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • Custom signature
    Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 14 IoCs
  • 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-03-31_29b79c41e14710fdbaca95a27401c582_coinminer_elex_luca-stealer_mespinoza_njrat_remcos.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-03-31_29b79c41e14710fdbaca95a27401c582_coinminer_elex_luca-stealer_mespinoza_njrat_remcos.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:4892

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4892-0-0x0000000000400000-0x0000000000582000-memory.dmp

        memory/4892-1-0x0000000000400000-0x0000000000582000-memory.dmp

        memory/4892-2-0x0000000000400000-0x0000000000582000-memory.dmp

        memory/4892-3-0x0000000000400000-0x0000000000582000-memory.dmp

        memory/4892-4-0x0000000000400000-0x0000000000582000-memory.dmp

        memory/4892-5-0x0000000000400000-0x0000000000582000-memory.dmp

        memory/4892-6-0x0000000000400000-0x0000000000582000-memory.dmp

        memory/4892-7-0x0000000000400000-0x0000000000582000-memory.dmp

        memory/4892-8-0x0000000000400000-0x0000000000582000-memory.dmp

        memory/4892-9-0x0000000000400000-0x0000000000582000-memory.dmp

        memory/4892-10-0x0000000000400000-0x0000000000582000-memory.dmp

        memory/4892-11-0x0000000000400000-0x0000000000582000-memory.dmp

        memory/4892-12-0x0000000000400000-0x0000000000582000-memory.dmp

        memory/4892-13-0x0000000000400000-0x0000000000582000-memory.dmp