Analysis

  • max time kernel
    17s
  • max time network
    21s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-07-2024 19:03

General

  • Target

    MODELO DE CONTRATO DE CONSIGNACIÓN INTERBANCARIO.exe

  • Size

    2.3MB

  • MD5

    bfd0dbc1912afeb88b179dd0be89b3d2

  • SHA1

    52d38d8e67998ff9a14f4758d8ad208d0725a6d5

  • SHA256

    57d090bb702a1d4bc4e7b159d4a5d09b5cad8b55965e914d608322e496ee593d

  • SHA512

    3472820c683ee923065584880c2e978da1d8e2101424794e9bcc802c56e3f449db78431cf77fb681ebd02e86882c263c68e98aa107056dcf425301b2b9946bd7

  • SSDEEP

    24576:vsZeKmlsUZs/yP3pgXWeoVeVph4UsytS0MOzCMWrUjYDP/lNzU9YIuMuyzGYyC:v+epZayP3pgXWFVeVpPsytS0f6EYjLAx

Malware Config

Extracted

Family

remcos

Botnet

KILOS

C2

card25.con-ip.com:1664

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-E50BIC

  • 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\MODELO DE CONTRATO DE CONSIGNACIÓN INTERBANCARIO.exe
    "C:\Users\Admin\AppData\Local\Temp\MODELO DE CONTRATO DE CONSIGNACIÓN INTERBANCARIO.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Users\Admin\AppData\Local\Temp\MODELO DE CONTRATO DE CONSIGNACIÓN INTERBANCARIO.exe
      "C:\Users\Admin\AppData\Local\Temp\MODELO DE CONTRATO DE CONSIGNACIÓN INTERBANCARIO.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1400-6-0x0000000000400000-0x0000000000655000-memory.dmp

    Filesize

    2.3MB

  • memory/1400-1-0x0000000000407000-0x0000000000421000-memory.dmp

    Filesize

    104KB

  • memory/1400-2-0x0000000000400000-0x0000000000655000-memory.dmp

    Filesize

    2.3MB

  • memory/1400-3-0x0000000000400000-0x0000000000655000-memory.dmp

    Filesize

    2.3MB

  • memory/1400-0-0x0000000000400000-0x0000000000655000-memory.dmp

    Filesize

    2.3MB

  • memory/4724-5-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4724-4-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4724-7-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4724-8-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4724-11-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4724-12-0x0000000000400000-0x0000000000655000-memory.dmp

    Filesize

    2.3MB

  • memory/4724-13-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4724-14-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4724-15-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4724-16-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB