Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/11/2024, 10:21

General

  • Target

    3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe

  • Size

    897KB

  • MD5

    667060459d876845db2677ddc3d58488

  • SHA1

    800f741383f4f4027d70a5942fe4b263b592eed5

  • SHA256

    3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566

  • SHA512

    c9fce460c1b2de0e53782df4a84dc6c1d28bc4b8b8850b0adcbf3f87e72d156654760ebb32e52582a7adc4e3d58526959b51cdfd72fa947b314749c23492fee7

  • SSDEEP

    24576:vMy1GyhxutkS+BwTCEGh0BV0i7OqD4uTfV:LFhxutkdeCEGmB6uD4uD

Malware Config

Extracted

Family

remcos

Botnet

Host

C2

oyo.work.gd:3142

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    vlc

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    pdf

  • mouse_option

    false

  • mutex

    jkm-I9KENP

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    ios

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • Suspicious use of SetThreadContext 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe
    "C:\Users\Admin\AppData\Local\Temp\3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4116
    • C:\Users\Admin\AppData\Local\Temp\3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe
      "C:\Users\Admin\AppData\Local\Temp\3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4124

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\pdf\logs.dat

    Filesize

    144B

    MD5

    c4181231f4e592d79f07b511156cc6fc

    SHA1

    7eb5d0b8a70383c0f1d20e5a0d54b63be01c763d

    SHA256

    666c4bdd272a0394c1f5835c1504f2c452a99e8c50dc0cf603050a31323b9a13

    SHA512

    97d993bd490bedb65205b90e7a62b4ddf91373e9162b225fc6d87105e98c175535f58c8f8009b3e354b123800bc340e1d5bfd1c828050ece273f61f5d8c8449d

  • memory/4116-0-0x0000000074FEE000-0x0000000074FEF000-memory.dmp

    Filesize

    4KB

  • memory/4116-1-0x0000000000470000-0x0000000000556000-memory.dmp

    Filesize

    920KB

  • memory/4116-2-0x0000000005580000-0x0000000005B24000-memory.dmp

    Filesize

    5.6MB

  • memory/4116-3-0x0000000004FD0000-0x0000000005062000-memory.dmp

    Filesize

    584KB

  • memory/4116-4-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB

  • memory/4116-5-0x0000000004F50000-0x0000000004F5A000-memory.dmp

    Filesize

    40KB

  • memory/4116-6-0x0000000005490000-0x00000000054A2000-memory.dmp

    Filesize

    72KB

  • memory/4116-7-0x0000000074FEE000-0x0000000074FEF000-memory.dmp

    Filesize

    4KB

  • memory/4116-8-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB

  • memory/4116-9-0x0000000006330000-0x00000000063F0000-memory.dmp

    Filesize

    768KB

  • memory/4116-10-0x000000000A1D0000-0x000000000A26C000-memory.dmp

    Filesize

    624KB

  • memory/4116-20-0x0000000074FE0000-0x0000000075790000-memory.dmp

    Filesize

    7.7MB

  • memory/4124-11-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-12-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-14-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-15-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-19-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-18-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-21-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-22-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-24-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-25-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-26-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-28-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-29-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-30-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-31-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-33-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-34-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-35-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-37-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-38-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-40-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-41-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-42-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-44-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-45-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-46-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-48-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-49-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-50-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-52-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-53-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-54-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-56-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-57-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-58-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-59-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-61-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-62-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-64-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-65-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-66-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-67-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-69-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-70-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-72-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-73-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-74-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-75-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-77-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-78-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-80-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-81-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-82-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-83-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-85-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-86-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-88-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-89-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-90-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-91-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-93-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-94-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-96-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4124-97-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB