Resubmissions

21-01-2025 11:18

250121-nef6aa1jfx 10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-01-2025 11:18

General

  • Target

    64ec6562b96016699c6ae14166f4d31bde2b160eaa84d34a661fc2943017202e.exe

  • Size

    1.9MB

  • MD5

    2c9b6dd3a6026fa2c7db268eaea331df

  • SHA1

    fb4c9fe50dfc133895929a96f1f43047a4ced8dd

  • SHA256

    64ec6562b96016699c6ae14166f4d31bde2b160eaa84d34a661fc2943017202e

  • SHA512

    899728690f636ab34e440eb1add2abd16dc3e286fd51608b2d41531ca8c00d79925e8565622185bd35e8cdc0d0c6a1a5c001c4faeba2c36e593f96cde7128856

  • SSDEEP

    24576:ZDgcvIjx71gWufN62I520/hjlB6iTzKFjiZpWOsZrKp0HqGmyejFyogd23TZdG35:ZDFExSNudSOZpWfwG8Xd3Vkk

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 use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\64ec6562b96016699c6ae14166f4d31bde2b160eaa84d34a661fc2943017202e.exe
    "C:\Users\Admin\AppData\Local\Temp\64ec6562b96016699c6ae14166f4d31bde2b160eaa84d34a661fc2943017202e.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4068
    • C:\Users\Admin\AppData\Local\Temp\64ec6562b96016699c6ae14166f4d31bde2b160eaa84d34a661fc2943017202e.exe
      "C:\Users\Admin\AppData\Local\Temp\64ec6562b96016699c6ae14166f4d31bde2b160eaa84d34a661fc2943017202e.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3300-35-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-9-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-4-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-8-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-12-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-36-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-70-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-69-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-68-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-67-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-66-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-11-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-13-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-14-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-15-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-16-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-17-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-18-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-19-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-20-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-21-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-22-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-23-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-24-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-25-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-26-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-27-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-28-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-29-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-30-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-31-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-32-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-33-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-34-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-10-0x0000000000400000-0x0000000000600000-memory.dmp

    Filesize

    2.0MB

  • memory/3300-65-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-37-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-38-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-39-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-40-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-41-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-42-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-43-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-44-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-45-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-46-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-47-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-48-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-49-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-50-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-51-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-52-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-53-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-54-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-55-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-56-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-57-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-58-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-59-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-60-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-61-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-62-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-63-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/3300-64-0x00000000000C0000-0x0000000000135000-memory.dmp

    Filesize

    468KB

  • memory/4068-1-0x0000000000407000-0x0000000000421000-memory.dmp

    Filesize

    104KB

  • memory/4068-3-0x0000000000400000-0x0000000000600000-memory.dmp

    Filesize

    2.0MB

  • memory/4068-6-0x0000000000407000-0x0000000000421000-memory.dmp

    Filesize

    104KB

  • memory/4068-7-0x00000000005B9000-0x00000000005C0000-memory.dmp

    Filesize

    28KB

  • memory/4068-5-0x0000000000400000-0x0000000000600000-memory.dmp

    Filesize

    2.0MB

  • memory/4068-0-0x0000000000400000-0x0000000000600000-memory.dmp

    Filesize

    2.0MB

  • memory/4068-2-0x0000000000400000-0x0000000000600000-memory.dmp

    Filesize

    2.0MB