Analysis

  • max time kernel
    150s
  • max time network
    153s
  • 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 03:16

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:5032
    • 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:2792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    4fbc34322f5ee7d7972f60f1a8d0da8b

    SHA1

    655b81b625123079b25379f463914bfcb4100c05

    SHA256

    c060e5e9740a645d8a503ed201b8d82e5100ae16f149a5b08943cb173a89cd67

    SHA512

    efc32d808f7c75f97c3ce7cf1beb9afaaf220da7a2a12c93b599d5a26fcc0306400609c5bfa41c2964362bfc84ee4d7b7f14ce648631da4b46b9af323183e622

  • memory/2792-44-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-13-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-15-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-16-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-86-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-84-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-83-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-11-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-81-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-80-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-19-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-78-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-77-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-76-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-75-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-43-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-74-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-21-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-22-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-23-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-24-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-25-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-26-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-28-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-29-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-30-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-31-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-32-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-33-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-34-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-36-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-37-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-38-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-39-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-40-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-41-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-73-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-82-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-14-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-46-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-47-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-48-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-49-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-51-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-52-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-53-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-54-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-55-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-56-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-45-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-58-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-59-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-60-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-61-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-62-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-63-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-65-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-66-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-67-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-68-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-69-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-70-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2792-72-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5032-10-0x0000000006800000-0x00000000068C4000-memory.dmp

    Filesize

    784KB

  • memory/5032-20-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/5032-9-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/5032-8-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

    Filesize

    4KB

  • memory/5032-7-0x00000000058A0000-0x00000000058BC000-memory.dmp

    Filesize

    112KB

  • memory/5032-6-0x0000000005550000-0x00000000055EC000-memory.dmp

    Filesize

    624KB

  • memory/5032-5-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/5032-4-0x00000000052E0000-0x00000000052EA000-memory.dmp

    Filesize

    40KB

  • memory/5032-3-0x0000000005310000-0x00000000053A2000-memory.dmp

    Filesize

    584KB

  • memory/5032-2-0x00000000058C0000-0x0000000005E64000-memory.dmp

    Filesize

    5.6MB

  • memory/5032-1-0x00000000007F0000-0x00000000008EA000-memory.dmp

    Filesize

    1000KB

  • memory/5032-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

    Filesize

    4KB