Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2024 18:27

General

  • Target

    20241125_BAON_19xxxxxx24.exe

  • Size

    971KB

  • MD5

    e83f4f4d3264f7f94ba49c93a110e0de

  • SHA1

    373d0deb8e94fc157a5815de5bf32d44a38da74f

  • SHA256

    f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7

  • SHA512

    65934c2152fb2caa5099b1f8114c46066bde0af98e23996d58b2015a5120a16a3cf9b766ece96b051785c73a31b2fec6e321a2690aa40796ce711910ad09cedc

  • SSDEEP

    24576:8eXJasfN3LrXZerh5r5R0hpoaxY+G9L4oZV:8cfN3LrQfr5Rupo5CoZV

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

yabobo.duckdns.org:6847

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

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-0VPBW5

  • 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.

  • 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 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20241125_BAON_19xxxxxx24.exe
    "C:\Users\Admin\AppData\Local\Temp\20241125_BAON_19xxxxxx24.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4440
    • C:\Users\Admin\AppData\Local\Temp\20241125_BAON_19xxxxxx24.exe
      "C:\Users\Admin\AppData\Local\Temp\20241125_BAON_19xxxxxx24.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2092

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    5a2647843fe2380b963d7c4965d3e14b

    SHA1

    11c0085681ccba2457ee45dbcfdce04301dd1dff

    SHA256

    f713c357ff61e90eb014972a717941891ff7abb189b9a59fea3c2649ed181813

    SHA512

    8b3f917aa63278782e043593afb591316ac8045af208d9d57f5923519c8bda33a8d555d7e47b98c7965ea02975284fcda6c169dc5388f75a8110f2d381b40d27

  • memory/2092-49-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-90-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-18-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-19-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-91-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-11-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-89-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-88-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-86-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-85-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-84-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-83-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-82-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-50-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-15-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-23-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-26-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-27-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-28-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-29-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-30-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-31-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-12-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-33-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-34-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-35-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-36-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-37-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-38-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-40-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-41-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-42-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-43-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-44-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-45-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-47-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-62-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-14-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-80-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-51-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-52-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-54-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-55-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-56-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-57-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-58-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-59-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-61-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-48-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-63-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-64-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-65-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-66-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-68-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-69-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-70-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-71-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-72-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-73-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-75-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-76-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-77-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-78-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2092-79-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4440-9-0x0000000075310000-0x0000000075AC0000-memory.dmp

    Filesize

    7.7MB

  • memory/4440-8-0x000000007531E000-0x000000007531F000-memory.dmp

    Filesize

    4KB

  • memory/4440-7-0x0000000005A70000-0x0000000005A8C000-memory.dmp

    Filesize

    112KB

  • memory/4440-6-0x0000000005BC0000-0x0000000005C5C000-memory.dmp

    Filesize

    624KB

  • memory/4440-5-0x0000000075310000-0x0000000075AC0000-memory.dmp

    Filesize

    7.7MB

  • memory/4440-4-0x0000000005940000-0x000000000594A000-memory.dmp

    Filesize

    40KB

  • memory/4440-3-0x00000000058A0000-0x0000000005932000-memory.dmp

    Filesize

    584KB

  • memory/4440-2-0x0000000005F30000-0x00000000064D4000-memory.dmp

    Filesize

    5.6MB

  • memory/4440-1-0x0000000000DC0000-0x0000000000EBA000-memory.dmp

    Filesize

    1000KB

  • memory/4440-0-0x000000007531E000-0x000000007531F000-memory.dmp

    Filesize

    4KB

  • memory/4440-10-0x00000000082B0000-0x0000000008374000-memory.dmp

    Filesize

    784KB

  • memory/4440-20-0x0000000075310000-0x0000000075AC0000-memory.dmp

    Filesize

    7.7MB