Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 03:00

General

  • Target
    2026 New Order_001122.exe
  • Size 240KB
  • Sample260623-dhfntaat8x
  • SHA256 166e0b889d42908d544d47be2a2131793b150ea2f3f93ddd7e58669fd99586f8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.2.5 Pro

Botnet
  • RemoteAgent

C2
  • 127.0.0.1:2404

  • 104.161.46.91:2404

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-7EDTWH

  • 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: Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Family: Remcos

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

  • Loads dropped DLL 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026 New Order_001122.exe
    "C:\Users\Admin\AppData\Local\Temp\2026 New Order_001122.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4596
    • C:\Users\Admin\AppData\Local\Temp\2026 New Order_001122.exe
      "C:\Users\Admin\AppData\Local\Temp\2026 New Order_001122.exe"
      2⤵
        PID:1564
      • C:\Users\Admin\AppData\Local\Temp\2026 New Order_001122.exe
        "C:\Users\Admin\AppData\Local\Temp\2026 New Order_001122.exe"
        2⤵
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4236
        • C:\Users\Admin\AppData\Local\Temp\2026 New Order_001122.exe
          "C:\Users\Admin\AppData\Local\Temp\2026 New Order_001122.exe"
          3⤵
            PID:5172

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            System.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsjE640.tmp\System.dll
            • Size 12KB
            • SHA256 23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/4236-21-0x0000000000470000-0x0000000001756000-memory.dmp

            memory/4236-18-0x0000000001760000-0x0000000004953000-memory.dmp

            memory/4236-19-0x0000000000470000-0x0000000001756000-memory.dmp

            memory/4236-20-0x0000000001760000-0x0000000004953000-memory.dmp

            memory/4236-26-0x0000000000470000-0x0000000001756000-memory.dmp

            memory/4236-27-0x0000000000470000-0x0000000001756000-memory.dmp

            memory/4236-28-0x0000000000470000-0x0000000001756000-memory.dmp

            memory/4236-29-0x0000000000470000-0x0000000001756000-memory.dmp

            memory/4236-30-0x0000000000470000-0x0000000001756000-memory.dmp

            memory/4236-31-0x0000000000470000-0x0000000001756000-memory.dmp

            memory/4236-32-0x0000000000470000-0x0000000001756000-memory.dmp

            memory/4596-17-0x0000000073DA5000-0x0000000073DA6000-memory.dmp

            memory/4596-16-0x00000000059F0000-0x0000000008BE3000-memory.dmp