Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 03:52

General

  • Target

    b0724a50f077a8652bbe0972e059aadde07ea247057e239b8b28ed720a083ae8.exe

  • Size

    1.1MB

  • MD5

    d8f15666d25a32702106b56dfd962cd6

  • SHA1

    b680052ba6f10f87595df8e6f06065546109c9e2

  • SHA256

    b0724a50f077a8652bbe0972e059aadde07ea247057e239b8b28ed720a083ae8

  • SHA512

    0bda9df65f34d05ff4448783bd0c747631621bdea98d716f3b3fb77f6b05784efd4aa67cf55e60e966375e2590df7bb30f4651865345f0995f50fcad31458f8b

  • SSDEEP

    24576:e2xjcLCnYnIXrbmcfjyTinYxorzPMFZYXX+Wjj8GLgv:lZnYIXrbFm6YSzPwYXX+G4GL

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

yayabeloo.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-VPA6N9

  • 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\b0724a50f077a8652bbe0972e059aadde07ea247057e239b8b28ed720a083ae8.exe
    "C:\Users\Admin\AppData\Local\Temp\b0724a50f077a8652bbe0972e059aadde07ea247057e239b8b28ed720a083ae8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3344
    • C:\Users\Admin\AppData\Local\Temp\b0724a50f077a8652bbe0972e059aadde07ea247057e239b8b28ed720a083ae8.exe
      "C:\Users\Admin\AppData\Local\Temp\b0724a50f077a8652bbe0972e059aadde07ea247057e239b8b28ed720a083ae8.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1156

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    df8f4a0831e243874403eeb60a1f9be8

    SHA1

    a526372c214133a547b1ca548eccea9cd00129e1

    SHA256

    1a15ffa82d2f23cc47c1dd0d800f6fe28c23084d0ba5b8e2d8cd2bb8eb6d4585

    SHA512

    485cfa1bfdf7f4e33c6c401fd3b4a2e4437b5964e0829e796022510685fd43d0bcd6e5e203c5ca51736da5705f64f44aa7dbc3a215ae50dbe77220fe290b9641

  • memory/1156-30-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1156-29-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1156-16-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1156-19-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1156-55-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1156-46-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1156-39-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1156-38-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1156-31-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1156-20-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1156-11-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1156-12-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1156-14-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1156-26-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1156-24-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1156-54-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1156-23-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1156-21-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1156-22-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3344-2-0x0000000005B10000-0x00000000060B4000-memory.dmp

    Filesize

    5.6MB

  • memory/3344-3-0x0000000005480000-0x0000000005512000-memory.dmp

    Filesize

    584KB

  • memory/3344-15-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/3344-10-0x0000000008530000-0x00000000085F2000-memory.dmp

    Filesize

    776KB

  • memory/3344-0-0x000000007466E000-0x000000007466F000-memory.dmp

    Filesize

    4KB

  • memory/3344-9-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/3344-1-0x0000000000990000-0x0000000000AAA000-memory.dmp

    Filesize

    1.1MB

  • memory/3344-8-0x000000007466E000-0x000000007466F000-memory.dmp

    Filesize

    4KB

  • memory/3344-7-0x0000000005960000-0x0000000005978000-memory.dmp

    Filesize

    96KB

  • memory/3344-6-0x0000000005730000-0x00000000057CC000-memory.dmp

    Filesize

    624KB

  • memory/3344-4-0x0000000005650000-0x000000000565A000-memory.dmp

    Filesize

    40KB

  • memory/3344-5-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB