Analysis

  • max time kernel
    133s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18/10/2024, 11:28

General

  • Target

    asdasdad.exe

  • Size

    4.6MB

  • MD5

    27c80b24652246d65dff3b5106465062

  • SHA1

    2e77b3a706dd179d16d81d2924a81140e313a0dc

  • SHA256

    4cd7c54d51ada797e7e762ffac350136a63af9bdc09ee752b471db33958f002a

  • SHA512

    d79a1db5ada829141d0ea25a6c59ae73630c012cdf084257d6182840b46c6befe223ba307f0741cc06de1dc31df342a035bdc3fef4367e397811286e37f760d2

  • SSDEEP

    98304:su/DzSt97zOCb2hwSYRoYrydDMxE1AozDjFRPaKQ:suK/ie2hwSYRoYry50ExjFRPA

Malware Config

Extracted

Family

remcos

Botnet

AMUNDI

C2

carracalbarmen.con-ip.com:1991

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-ZW6D0U

  • 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.

  • 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\asdasdad.exe
    "C:\Users\Admin\AppData\Local\Temp\asdasdad.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Users\Admin\AppData\Local\Temp\asdasdad.exe
      "C:\Users\Admin\AppData\Local\Temp\asdasdad.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    1d9b6184ec05d8497bc32a6a3fb9122e

    SHA1

    31148b4083a608cd8ea3fabfccb3b56ac93903e1

    SHA256

    2936a7577b9eda5488c61764894b36c6ba3fa46a907f1b1b9488a199c008aadc

    SHA512

    862c3c364c95e809c98033349bd8a94c3c6aef1be7f5c4caff91a7a0d44906e17ce0c5b8b1652867e8a0c325d2a7825bba5f22bb081397560a0843bca15618fb

  • C:\ProgramData\remcos\logs.dat

    Filesize

    230B

    MD5

    3ad6041ed179350bb736a3548292d5ea

    SHA1

    2631956d7cf4a1eaea0df749cc832838dd5661da

    SHA256

    198c531d545632eae0dddaa4199d4b7b69b917288795c1abff3cf3a5b52b3ab2

    SHA512

    89da110e2a48a32d5f07575b976022cfe3bd2b5e53c2a889b821cfe81cafe28f9019ed1ca54f5066d378c49dd6ec4a2a0b3bc5d90f10018f6366f8f4fb596bfc

  • memory/2264-25-0x000000000050F000-0x0000000000528000-memory.dmp

    Filesize

    100KB

  • memory/2264-2-0x000000000050F000-0x0000000000528000-memory.dmp

    Filesize

    100KB

  • memory/2264-1-0x0000000000400000-0x00000000008DA000-memory.dmp

    Filesize

    4.9MB

  • memory/2264-8-0x0000000000400000-0x00000000008DA000-memory.dmp

    Filesize

    4.9MB

  • memory/2264-7-0x0000000000400000-0x00000000008DA000-memory.dmp

    Filesize

    4.9MB

  • memory/2264-6-0x0000000000400000-0x00000000008DA000-memory.dmp

    Filesize

    4.9MB

  • memory/2264-5-0x0000000000400000-0x00000000008DA000-memory.dmp

    Filesize

    4.9MB

  • memory/2264-14-0x0000000000400000-0x00000000008DA000-memory.dmp

    Filesize

    4.9MB

  • memory/2264-0-0x0000000000400000-0x00000000008DA000-memory.dmp

    Filesize

    4.9MB

  • memory/2264-22-0x0000000000400000-0x00000000008DA000-memory.dmp

    Filesize

    4.9MB

  • memory/2984-9-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2984-18-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2984-17-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2984-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2984-21-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2984-23-0x0000000000400000-0x00000000008DA000-memory.dmp

    Filesize

    4.9MB

  • memory/2984-13-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB