Analysis

  • max time kernel
    147s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-10-2024 19:36

General

  • Target

    Nro. de referencia 2 8600343131 octubre 2 de 2024.exe

  • Size

    2.4MB

  • MD5

    9e5634a01e241113ddc1a5a03265cd3e

  • SHA1

    17f3cba192f573754797b1fb6f644889f9abaaca

  • SHA256

    a8c0001bf62a178870fe526395703f682143078ad37d9b20e50f230dd9059648

  • SHA512

    3cea7ff14f48832b7ca955a5fa2c61115b1f2a5ec9f8df52e32692b07d9d34453fef29ef1d7c62ec666e0f38a4899a89db4a68f615602d267c0103d42fe52156

  • SSDEEP

    49152:7lnKF46FKC9PgROSeQ146cDPM2vCVapdoqwicf1/y36sbwAE1JgZIESTcNYPMI3Y:7ld16SwwgZRbaEIo

Malware Config

Extracted

Family

remcos

Botnet

XIOAMORT

C2

vcvfdjvodsuhvf.con-ip.com:1661

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-ALVZO2

  • 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.

  • 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 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nro. de referencia 2 8600343131 octubre 2 de 2024.exe
    "C:\Users\Admin\AppData\Local\Temp\Nro. de referencia 2 8600343131 octubre 2 de 2024.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Users\Admin\AppData\Local\Temp\Nro. de referencia 2 8600343131 octubre 2 de 2024.exe
      "C:\Users\Admin\AppData\Local\Temp\Nro. de referencia 2 8600343131 octubre 2 de 2024.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    a9e11e35d6b4d0c6c6f83d49bfb5f8aa

    SHA1

    ff55a3612224a748698590112e41a1ef4816dd81

    SHA256

    23d551ccbc827eddb8e7149d23b66945826ba0e8606c6bc6717a4e48c874fc4a

    SHA512

    08c3fff90348ef9015854da80556758c8f8909f64dd5f91f0274188fe18513b193250d070e7ade366979d755a5975001d29ab1800a6e29939acf50412bae1b00

  • memory/3028-6-0x0000000000400000-0x000000000085A000-memory.dmp

    Filesize

    4.4MB

  • memory/3028-1-0x0000000000400000-0x000000000085A000-memory.dmp

    Filesize

    4.4MB

  • memory/3028-4-0x0000000000400000-0x000000000085A000-memory.dmp

    Filesize

    4.4MB

  • memory/3028-10-0x0000000000400000-0x000000000085A000-memory.dmp

    Filesize

    4.4MB

  • memory/3028-26-0x00000000007D3000-0x00000000007E2000-memory.dmp

    Filesize

    60KB

  • memory/3028-0-0x0000000000400000-0x000000000085A000-memory.dmp

    Filesize

    4.4MB

  • memory/3028-2-0x00000000007D3000-0x00000000007E2000-memory.dmp

    Filesize

    60KB

  • memory/3028-11-0x0000000000400000-0x000000000085A000-memory.dmp

    Filesize

    4.4MB

  • memory/3028-8-0x0000000000400000-0x000000000085A000-memory.dmp

    Filesize

    4.4MB

  • memory/3028-5-0x0000000000400000-0x000000000085A000-memory.dmp

    Filesize

    4.4MB

  • memory/3132-17-0x0000000000860000-0x00000000008E2000-memory.dmp

    Filesize

    520KB

  • memory/3132-22-0x0000000000860000-0x00000000008E2000-memory.dmp

    Filesize

    520KB

  • memory/3132-14-0x0000000000860000-0x00000000008E2000-memory.dmp

    Filesize

    520KB

  • memory/3132-19-0x0000000000400000-0x000000000085A000-memory.dmp

    Filesize

    4.4MB

  • memory/3132-18-0x0000000000860000-0x00000000008E2000-memory.dmp

    Filesize

    520KB

  • memory/3132-20-0x0000000000860000-0x00000000008E2000-memory.dmp

    Filesize

    520KB

  • memory/3132-21-0x0000000000860000-0x00000000008E2000-memory.dmp

    Filesize

    520KB

  • memory/3132-7-0x0000000000860000-0x00000000008E2000-memory.dmp

    Filesize

    520KB

  • memory/3132-24-0x0000000000860000-0x00000000008E2000-memory.dmp

    Filesize

    520KB

  • memory/3132-12-0x0000000000860000-0x00000000008E2000-memory.dmp

    Filesize

    520KB

  • memory/3132-13-0x0000000000860000-0x00000000008E2000-memory.dmp

    Filesize

    520KB

  • memory/3132-33-0x0000000000860000-0x00000000008E2000-memory.dmp

    Filesize

    520KB

  • memory/3132-34-0x0000000000860000-0x00000000008E2000-memory.dmp

    Filesize

    520KB

  • memory/3132-49-0x0000000000860000-0x00000000008E2000-memory.dmp

    Filesize

    520KB