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Analysis

  • max time kernel
    149s
  • 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
    17/01/2025, 06:15

General

  • Target

    9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe

  • Size

    982KB

  • MD5

    09b8a42bcf04f1feb2f7c1cf671a5f9d

  • SHA1

    ffb92f50aebc097d85c91e15354c60a7d29e522e

  • SHA256

    9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5

  • SHA512

    80f8591b641863731872cbe577d91d24715c26455438ac42e1d08ebfe523f1fb14a7307754d5df0c847c7a523eb05a1942d09e3b0d8af36e9c3273dd56fc2373

  • SSDEEP

    12288:QNT8/720mXkfzYVEH56mdd4TE8BX5Ays5pQAUQnmvw1LnlaIxLt/l3XyH0/FsMW7:QNT8S0ck7YVk4mdAECpAnVZlrdhR5Ol

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

185.130.249.27:6161

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-JKZTT7

  • 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\9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe
    "C:\Users\Admin\AppData\Local\Temp\9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4600
    • C:\Users\Admin\AppData\Local\Temp\9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe
      "C:\Users\Admin\AppData\Local\Temp\9fcd27fe616af54ca0ea6a625f4c7c9676f81f1b5fc95dc2d348572fbffa43f5.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    f9f35627a7031d76e27af33456128f4f

    SHA1

    3499cf67dab7537acc348b496e0f21d68e3144f9

    SHA256

    96fd0931e1759d95957abd0e8b59fa88ae8826767695d6759a2a2b1249b2add2

    SHA512

    34cc74dcbec4ced23ccb5a7da327ac1c726ce566da76a0f3a0274ec71f5b45416deecc34452f9e161bc68ed1df72eea05d1652685f5a0cef5a87e280538a4475

  • memory/1736-34-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1736-33-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1736-60-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1736-59-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1736-53-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1736-52-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1736-47-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1736-46-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1736-15-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1736-41-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1736-11-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1736-13-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1736-14-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1736-18-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1736-39-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1736-20-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1736-28-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1736-19-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1736-24-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1736-27-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4600-9-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4600-1-0x00000000002C0000-0x00000000003BC000-memory.dmp

    Filesize

    1008KB

  • memory/4600-21-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4600-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

    Filesize

    4KB

  • memory/4600-2-0x00000000052C0000-0x0000000005864000-memory.dmp

    Filesize

    5.6MB

  • memory/4600-10-0x00000000066A0000-0x0000000006764000-memory.dmp

    Filesize

    784KB

  • memory/4600-8-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

    Filesize

    4KB

  • memory/4600-7-0x0000000005260000-0x000000000527C000-memory.dmp

    Filesize

    112KB

  • memory/4600-6-0x0000000005010000-0x00000000050AC000-memory.dmp

    Filesize

    624KB

  • memory/4600-5-0x0000000004F50000-0x0000000004F5A000-memory.dmp

    Filesize

    40KB

  • memory/4600-4-0x0000000074B00000-0x00000000752B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4600-3-0x0000000004DB0000-0x0000000004E42000-memory.dmp

    Filesize

    584KB