Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 20:21

General

  • Target

    13754433d3ede403430e4eafdc1a45567639716e9ee8763bf3a6b391ae07ada7.exe

  • Size

    2.8MB

  • MD5

    d8c548207ef7aaaeae2d83dc53ea84fc

  • SHA1

    1b785c08d48a8ad9c70fc30411759ab730d77512

  • SHA256

    13754433d3ede403430e4eafdc1a45567639716e9ee8763bf3a6b391ae07ada7

  • SHA512

    7d934aa40716329e9cc09574cf56913819b6b3d316dde4cae536856378722940b033b61973d33d5bd23da9ff337f70ca5a704ebea56fe114aec9bde7fb6a1ed7

  • SSDEEP

    49152:7nP6JoJ67eQD9rSl5thuDZzjz4YVwNehjzEWZ84+dFTN1SmxANwJMigXAJ:bqnQudzjz4Y1hXEWG4QMrAJ

Malware Config

Extracted

Family

remcos

Botnet

ZONIDO

C2

intelcom.ydns.eu:1831

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

    nsdnnfndjfd-M797LK

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Remcos family
  • Adds Run key to start application 2 TTPs 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 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13754433d3ede403430e4eafdc1a45567639716e9ee8763bf3a6b391ae07ada7.exe
    "C:\Users\Admin\AppData\Local\Temp\13754433d3ede403430e4eafdc1a45567639716e9ee8763bf3a6b391ae07ada7.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4060
    • C:\Users\Admin\AppData\Local\Temp\13754433d3ede403430e4eafdc1a45567639716e9ee8763bf3a6b391ae07ada7.exe
      "C:\Users\Admin\AppData\Local\Temp\13754433d3ede403430e4eafdc1a45567639716e9ee8763bf3a6b391ae07ada7.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3080

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    184B

    MD5

    35683bcfa459c5e2d1b928bae43ff921

    SHA1

    21fa1335d6ed8d5a8acea1f0e87b9d6a59d721a0

    SHA256

    c5542609acae673d6e3f22698b674d79e3e00a6c750325789af5fb041a45b536

    SHA512

    9c2b9cd177bb8cb5f0d25998f1a74b23dd2965483a592215f61e7d65614db4dafb40e2b19868ced41e9daaebb0a1063ec545e33cfc9d662fdf80aaeb2b720724

  • memory/3080-11-0x00000000006F0000-0x0000000000772000-memory.dmp

    Filesize

    520KB

  • memory/3080-16-0x0000000000400000-0x00000000006E4000-memory.dmp

    Filesize

    2.9MB

  • memory/3080-15-0x00000000006F0000-0x0000000000772000-memory.dmp

    Filesize

    520KB

  • memory/3080-12-0x00000000006F0000-0x0000000000772000-memory.dmp

    Filesize

    520KB

  • memory/3080-10-0x00000000006F0000-0x0000000000772000-memory.dmp

    Filesize

    520KB

  • memory/3080-6-0x00000000006F0000-0x0000000000772000-memory.dmp

    Filesize

    520KB

  • memory/4060-7-0x0000000000400000-0x00000000006E4000-memory.dmp

    Filesize

    2.9MB

  • memory/4060-9-0x0000000000400000-0x00000000006E4000-memory.dmp

    Filesize

    2.9MB

  • memory/4060-0-0x0000000000409000-0x0000000000421000-memory.dmp

    Filesize

    96KB

  • memory/4060-4-0x0000000000400000-0x00000000006E4000-memory.dmp

    Filesize

    2.9MB

  • memory/4060-2-0x0000000000400000-0x00000000006E4000-memory.dmp

    Filesize

    2.9MB

  • memory/4060-5-0x0000000000400000-0x00000000006E4000-memory.dmp

    Filesize

    2.9MB

  • memory/4060-1-0x0000000000400000-0x00000000006E4000-memory.dmp

    Filesize

    2.9MB

  • memory/4060-17-0x0000000000409000-0x0000000000421000-memory.dmp

    Filesize

    96KB

  • memory/4060-3-0x0000000000400000-0x00000000006E4000-memory.dmp

    Filesize

    2.9MB