Resubmissions

26/09/2026, 10:25

260926-mf8fgsdd8610

26/09/2026, 10:13

260926-l851ds1djg10

24/09/2026, 12:57

260924-p6wkqathrd10

24/09/2026, 12:18

260924-pgt1la1v6n10

23/09/2026, 23:53

260923-3xdv7sgf8610

23/09/2026, 23:46

260923-3sgfjage5210

23/09/2026, 22:04

260923-1y2ybaed5610

12/09/2026, 10:35

260912-mmt7fahh3910

11/09/2026, 14:27

260911-rsreysvapg10

10/09/2026, 07:17

260910-h4e2mazdlf10

General

  • Target
    4363463463464363463463463.exe.bin
  • Size 10KB
  • Sample260816-l6dhcsvfkc
  • SHA256 2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • discordrat

Attributes
  • discord_token

    MTE1ODQ5NzkyODQ2MjIwNTExOQ.GRJ0l6.7SpFGKSu5G_J8dWAJje9hfCtSecIS6RuVXIE_E

  • server_id

    1153564868197236846

Extracted

Family
  • remus_stealer

C2
  • http://cofasl.shop:6590

  • http://myrtler.biz:9549

  • http://youngel.biz:8768

Extracted

Family
  • asyncrat

Version
  • Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet
  • Default

C2
  • 89.84.63.139:6606

Mutex
  • caqxyzoxvrzhnrxwoc

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

  • local_host

    127.0.0.1

aes.plain

Extracted

Family
  • xworm

C2
  • 209.145.51.44:7000

Mutex
  • qaA60TVolmeexQD8

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family
  • remcos

Version
  • 5.3.0 Light

Botnet
  • Prueba

C2
  • 192.168.10.1:2404

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

    registros.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-7OXI1T

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Capturas de pantalla

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      4363463463464363463463463.exe.bin
    • Size 10KB
    • SHA256 2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Async RAT payload

    • Detect Xworm Payload

    • Detects DonutLoader

    • Family: AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Family: Discord RAT

      A RAT written in C# using Discord as a C2.

    • 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.

    • Family: Remus

      Remus is a stealer written in C++.

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Modifies firewall policy service

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft NirCmd

      NirCmd is a lightweight Windows command-line tool for automating system tasks

    • Downloads MZ/PE file

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Hijack Execution Flow: Executable Installer File Permissions Weakness

      Possible Turn off User Account Control's privilege elevation for standard users.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks