Analysis

  • max time kernel
    178s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-10-2024 14:23

General

  • Target

    PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe

  • Size

    4.5MB

  • MD5

    6232a988e3d27dac3a691f1f439d05bc

  • SHA1

    2c005a4651a1faee5401a5e1e566245e0fdb8d87

  • SHA256

    0c4620df9290817f179192d7e02feeeddf9c05c4ee51fb0c86afb247ffffb10d

  • SHA512

    083be04ee2378f6aca4c3f528b4ff53d27964f50dec2c3df0f1f3f2108e1b5b610c80bb5fed080291c4083b1e794f2ef7ffd7e1ed5b0d6b4309e509bdf00b09b

  • SSDEEP

    49152:jyVdmxB5GSL4m35GyJZYMrbcDifMb2+X5KoQWZxaMxrVYTEHv0SkW4lLFQoMExc0:jybbOGyJZYMrb7fMb2c8oJZh4BWCMEXX

Malware Config

Extracted

Family

remcos

Botnet

Voltarger

C2

dfgdfghghfhfh.con-ip.com:1665

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-I3REIW

  • 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\PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe
    "C:\Users\Admin\AppData\Local\Temp\PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3848
    • C:\Users\Admin\AppData\Local\Temp\PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe
      "C:\Users\Admin\AppData\Local\Temp\PROCESO EXITOSO DE PAGO REALIZADO - TRANSACCIÓN No 143201-1709694808-52264.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    5661d358880596a8c5b03023d6458780

    SHA1

    82033d9d73c10eedbbb4263b3e9fbc906cb26393

    SHA256

    8461de973fa69d8eaf42a361b6dc0c08b413a0d379ffd6beeb53a76607bd8f26

    SHA512

    8ec6beff1cb2eeb72a0d854486aade1b63d52b988b6675385dac03555b3811c7096df5b9caa7955198a1ec86e7e3dd549c92917b6c3ff7faf4ed68b0c6f773a7

  • memory/232-23-0x00000000008E0000-0x0000000000962000-memory.dmp

    Filesize

    520KB

  • memory/232-27-0x00000000008E0000-0x0000000000962000-memory.dmp

    Filesize

    520KB

  • memory/232-69-0x00000000008E0000-0x0000000000962000-memory.dmp

    Filesize

    520KB

  • memory/232-19-0x0000000000400000-0x00000000008D3000-memory.dmp

    Filesize

    4.8MB

  • memory/232-36-0x00000000008E0000-0x0000000000962000-memory.dmp

    Filesize

    520KB

  • memory/232-35-0x00000000008E0000-0x0000000000962000-memory.dmp

    Filesize

    520KB

  • memory/232-18-0x00000000008E0000-0x0000000000962000-memory.dmp

    Filesize

    520KB

  • memory/232-16-0x00000000008E0000-0x0000000000962000-memory.dmp

    Filesize

    520KB

  • memory/232-13-0x00000000008E0000-0x0000000000962000-memory.dmp

    Filesize

    520KB

  • memory/232-12-0x00000000008E0000-0x0000000000962000-memory.dmp

    Filesize

    520KB

  • memory/232-11-0x00000000008E0000-0x0000000000962000-memory.dmp

    Filesize

    520KB

  • memory/232-8-0x00000000008E0000-0x0000000000962000-memory.dmp

    Filesize

    520KB

  • memory/232-68-0x00000000008E0000-0x0000000000962000-memory.dmp

    Filesize

    520KB

  • memory/232-28-0x00000000008E0000-0x0000000000962000-memory.dmp

    Filesize

    520KB

  • memory/232-24-0x00000000008E0000-0x0000000000962000-memory.dmp

    Filesize

    520KB

  • memory/232-22-0x00000000008E0000-0x0000000000962000-memory.dmp

    Filesize

    520KB

  • memory/3848-21-0x0000000000619000-0x0000000000631000-memory.dmp

    Filesize

    96KB

  • memory/3848-0-0x0000000000400000-0x00000000008D3000-memory.dmp

    Filesize

    4.8MB

  • memory/3848-7-0x0000000000400000-0x00000000008D3000-memory.dmp

    Filesize

    4.8MB

  • memory/3848-3-0x0000000000400000-0x00000000008D3000-memory.dmp

    Filesize

    4.8MB

  • memory/3848-4-0x0000000000400000-0x00000000008D3000-memory.dmp

    Filesize

    4.8MB

  • memory/3848-2-0x0000000000619000-0x0000000000631000-memory.dmp

    Filesize

    96KB

  • memory/3848-17-0x0000000000400000-0x00000000008D3000-memory.dmp

    Filesize

    4.8MB

  • memory/3848-9-0x0000000000400000-0x00000000008D3000-memory.dmp

    Filesize

    4.8MB

  • memory/3848-1-0x0000000000400000-0x00000000008D3000-memory.dmp

    Filesize

    4.8MB

  • memory/3848-6-0x0000000000400000-0x00000000008D3000-memory.dmp

    Filesize

    4.8MB