Overview

overview

10

Static

static

10

2026-11-10...ar.exe

windows10-2004-x64

10

2026-11-10...ar.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • 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
    11/11/2026, 15:57

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    2026-11-10_ef2e87a2b40d768683aeec923086dec2_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
  • Size 645KB
  • Sample261111-teaw6aat61
  • SHA256 6dbac1f31cd87e2961bda58673d732fa2a65508a9f1320d9dfae622f5bae2d73
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remotehostdefense_evasiondiscoveryremcospersistencerat

Malware Config

Extracted

Family

  • remcos

Version

  • 7.3.1 Pro

Botnet

  • RemoteHost

C2

  • 77.81.139.2:5861

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

    true

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-BOE17Y

  • 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: Remcos

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

    ratremcos
  • Custom signature
    Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 2 IoCs
  • Custom signature
    Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 2 IoCs
  • Deletes itself 1 TTPs 1 IoCs
    defense_evasion
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 1 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-11-10_ef2e87a2b40d768683aeec923086dec2_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-10_ef2e87a2b40d768683aeec923086dec2_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\ProgramData\Remcos\remcos.exe
      "C:\ProgramData\Remcos\remcos.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5476
      • C:\Windows\system32\svchost.exe
        "C:\Windows\system32\svchost.exe"
        3⤵
          PID:5044

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          logs.dat
          • Path C:\ProgramData\Remcos\logs.dat
          • Size 144B
          • SHA256 f5a09a0372d547c1fd5c6678bda462973e7fbabedb3ccd254c4fc21d0cfe2914
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          remcos.exe
          • Path C:\ProgramData\Remcos\remcos.exe
          • Size 645KB
          • SHA256 6dbac1f31cd87e2961bda58673d732fa2a65508a9f1320d9dfae622f5bae2d73
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/5044-35-0x0000000140000000-0x00000001400AF000-memory.dmp
          Download