Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2024 03:48

General

  • Target

    f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7.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\f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7.exe
    "C:\Users\Admin\AppData\Local\Temp\f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5096
    • C:\Users\Admin\AppData\Local\Temp\f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7.exe
      "C:\Users\Admin\AppData\Local\Temp\f389839a6216aea670545a89697ce85cc3a8c170961804cea96525c5ed1cb6e7.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4416

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    4c429d7609e7c094c67f601a72defbcd

    SHA1

    b2ffbbc24e77b7900c5127a0f28e77551418f6a2

    SHA256

    a169f75db0e68734ef986194e14d3ea1e0bde4fdc3556850ddb76263ba2784fe

    SHA512

    1a75962cbe122f62ee0cc4e7713aa4bde31149f4d3a369eaec474094c8e804b8b92d607c20d34cb53410bb820851bcfdb3e6a1011ef413c18e54574f70ac6156

  • memory/4416-45-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-83-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-19-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-18-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-85-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-84-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-11-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-82-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-81-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-79-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-78-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-77-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-76-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-75-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-74-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-44-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-21-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-22-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-23-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-24-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-25-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-26-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-28-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-29-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-30-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-31-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-32-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-33-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-34-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-36-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-37-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-38-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-39-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-40-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-41-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-42-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-15-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-14-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-12-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-47-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-48-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-49-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-51-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-52-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-53-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-54-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-55-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-56-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-57-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-46-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-59-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-60-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-61-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-62-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-63-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-64-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-66-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-67-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-68-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-69-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-70-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-71-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4416-72-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5096-10-0x0000000007CC0000-0x0000000007D84000-memory.dmp

    Filesize

    784KB

  • memory/5096-9-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/5096-8-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

    Filesize

    4KB

  • memory/5096-7-0x0000000005530000-0x000000000554C000-memory.dmp

    Filesize

    112KB

  • memory/5096-6-0x00000000055B0000-0x000000000564C000-memory.dmp

    Filesize

    624KB

  • memory/5096-5-0x0000000005200000-0x000000000520A000-memory.dmp

    Filesize

    40KB

  • memory/5096-4-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/5096-3-0x0000000005290000-0x0000000005322000-memory.dmp

    Filesize

    584KB

  • memory/5096-2-0x0000000005840000-0x0000000005DE4000-memory.dmp

    Filesize

    5.6MB

  • memory/5096-1-0x0000000000720000-0x000000000081A000-memory.dmp

    Filesize

    1000KB

  • memory/5096-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

    Filesize

    4KB

  • memory/5096-20-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB