Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2024 04:47

General

  • Target

    df07e9d7f9efced01c63ce3b973e5250e26ce436cf5fd296617343473dd3ff0a.exe

  • Size

    8.8MB

  • MD5

    2451d523a7045d8b626879f156950ddb

  • SHA1

    f57843eefdc046cd6ae291ae303ecd60b27e8a28

  • SHA256

    df07e9d7f9efced01c63ce3b973e5250e26ce436cf5fd296617343473dd3ff0a

  • SHA512

    427667d0df7f32dc62f1f7668bbcd05335c8966ba2db0033551c42c24bfd90c5e0c1fe6383449fb2f26c4cd1a042ad47f2fb38573481f705ba63d917883542c2

  • SSDEEP

    98304:UPwv0GCAR4IQrKgz3rNK9BLqzMIfEmUdWVupjJJWhWcV:UPwHCAcKgz3rNKzqzMcvUdWVuxbWhWcV

Malware Config

Extracted

Family

remcos

Botnet

ROSAS

C2

newstaticfreepoint24.ddns-ip.net:3020

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

    data

  • mouse_option

    false

  • mutex

    kljjbdlcjbavhbiluiewliuwqerlib-DDZVN3

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Capturas de pantalla

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\df07e9d7f9efced01c63ce3b973e5250e26ce436cf5fd296617343473dd3ff0a.exe
    "C:\Users\Admin\AppData\Local\Temp\df07e9d7f9efced01c63ce3b973e5250e26ce436cf5fd296617343473dd3ff0a.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Users\Admin\AppData\Local\Temp\df07e9d7f9efced01c63ce3b973e5250e26ce436cf5fd296617343473dd3ff0a.exe
      "C:\Users\Admin\AppData\Local\Temp\df07e9d7f9efced01c63ce3b973e5250e26ce436cf5fd296617343473dd3ff0a.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\data\registros.dat

    Filesize

    184B

    MD5

    7655d6874fe1af544f6c83e7b98409e0

    SHA1

    3ba92eda909f17cec0222801162cd835fef340fd

    SHA256

    2f12a6cb06b2d2977641501818f7da58916aebded1cc6b5f5d7bbca234a20eaf

    SHA512

    468e471232d1a972af89b480c40b26cd720b13316c35c57b14e043102ccd1f7e741f19d4042d1e3df374508188964e2ef1e1c2bb173c5d16cf4c2645bc86325b

  • memory/2108-0-0x00000000005A9000-0x00000000005AE000-memory.dmp

    Filesize

    20KB

  • memory/2108-1-0x0000000000400000-0x0000000000CD0000-memory.dmp

    Filesize

    8.8MB

  • memory/2880-19-0x00000000001D0000-0x000000000024F000-memory.dmp

    Filesize

    508KB

  • memory/2880-2-0x00000000001D0000-0x000000000024F000-memory.dmp

    Filesize

    508KB

  • memory/2880-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2880-12-0x00000000001D0000-0x000000000024F000-memory.dmp

    Filesize

    508KB

  • memory/2880-9-0x00000000001D0000-0x000000000024F000-memory.dmp

    Filesize

    508KB

  • memory/2880-13-0x0000000000400000-0x0000000000CD0000-memory.dmp

    Filesize

    8.8MB

  • memory/2880-14-0x00000000001D0000-0x000000000024F000-memory.dmp

    Filesize

    508KB

  • memory/2880-8-0x00000000001D0000-0x000000000024F000-memory.dmp

    Filesize

    508KB

  • memory/2880-20-0x00000000001D0000-0x000000000024F000-memory.dmp

    Filesize

    508KB

  • memory/2880-6-0x00000000001D0000-0x000000000024F000-memory.dmp

    Filesize

    508KB

  • memory/2880-25-0x00000000001D0000-0x000000000024F000-memory.dmp

    Filesize

    508KB

  • memory/2880-26-0x00000000001D0000-0x000000000024F000-memory.dmp

    Filesize

    508KB

  • memory/2880-32-0x00000000001D0000-0x000000000024F000-memory.dmp

    Filesize

    508KB

  • memory/2880-33-0x00000000001D0000-0x000000000024F000-memory.dmp

    Filesize

    508KB

  • memory/2880-38-0x00000000001D0000-0x000000000024F000-memory.dmp

    Filesize

    508KB

  • memory/2880-39-0x00000000001D0000-0x000000000024F000-memory.dmp

    Filesize

    508KB

  • memory/2880-44-0x00000000001D0000-0x000000000024F000-memory.dmp

    Filesize

    508KB

  • memory/2880-46-0x00000000001D0000-0x000000000024F000-memory.dmp

    Filesize

    508KB