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
    05-01-2025 20:37

General

  • Target

    6b61af96e05232ce2f894b54241151b8caff8c36bcff336306c88b23b402b5be.exe

  • Size

    1.9MB

  • MD5

    72e78f64a0a3b0626a7171e89db5007f

  • SHA1

    84b58c1dba076a096c15c88d7f0fef5057217f08

  • SHA256

    6b61af96e05232ce2f894b54241151b8caff8c36bcff336306c88b23b402b5be

  • SHA512

    9fae66b0002b01e5effc648b3428dce2ee373dd2a04485801b92be1cc8f7a30794633717cbf0d0b48e95966635c74ae8e42059435d389d546503d27e93b197a1

  • SSDEEP

    24576:XTiLRILgZSV27zbsAjxxuc2iPRIw8Ti9MkCuTEUFNEtAJRIL6Uls:XOK0SVuz9xLt4O9MS/E9p6

Malware Config

Extracted

Family

remcos

Version

4.9.3 Light

Botnet

RemoteHost

C2

127.0.0.1:2404

Attributes
  • audio_folder

    MicRecords

  • 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-52SPIJ

  • 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
  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b61af96e05232ce2f894b54241151b8caff8c36bcff336306c88b23b402b5be.exe
    "C:\Users\Admin\AppData\Local\Temp\6b61af96e05232ce2f894b54241151b8caff8c36bcff336306c88b23b402b5be.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Users\Admin\AppData\Local\Temp\6b61af96e05232ce2f894b54241151b8caff8c36bcff336306c88b23b402b5be.exe
      "C:\Users\Admin\AppData\Local\Temp\6b61af96e05232ce2f894b54241151b8caff8c36bcff336306c88b23b402b5be.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1380-1-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-3-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-5-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-7-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-6-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-8-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-9-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-10-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-11-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-12-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-13-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-14-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-15-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-16-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-17-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-18-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-19-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-20-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-21-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-22-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-23-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-24-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-25-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-26-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-27-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-28-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-29-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-30-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-31-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-32-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-33-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-34-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-35-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-36-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-37-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-38-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-39-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-40-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-41-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-42-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-43-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-44-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-45-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-46-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-47-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-48-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-49-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-50-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-51-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-52-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-53-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-54-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-55-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-56-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-57-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-58-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-59-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-60-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-61-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-62-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/1380-63-0x00000000000D0000-0x0000000000145000-memory.dmp

    Filesize

    468KB

  • memory/3908-0-0x00000000008C0000-0x00000000008E9000-memory.dmp

    Filesize

    164KB

  • memory/3908-4-0x00000000029C0000-0x00000000029FF000-memory.dmp

    Filesize

    252KB