Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2024 14:26

General

  • Target

    bc7c2b5cecb62ddda8ab33eaaa7abf65.exe

  • Size

    3.7MB

  • MD5

    bc7c2b5cecb62ddda8ab33eaaa7abf65

  • SHA1

    e8ea016e57a0e87b90f8afbce0eee6bc1afd8bfb

  • SHA256

    0e875809afec874bbbdd8395efac33c3e57bd86a66ae4097c87b35656b64804c

  • SHA512

    6a57c650fad469b71f81fa488a555919f7dccfe45b501b0930285a36dc4e705faa710bf6a0c27828ec720494c89baa8d7d95fc6e752f6221f7a32bf1abcfa112

  • SSDEEP

    49152:DC8nc/DY7yJiS/t8Tk6SRdkpvRFpybpxNYPMI3+bEmnT:DCv/lRRd8FpybHaEIy

Malware Config

Extracted

Family

remcos

Botnet

XOAOAMORT

C2

carroosmfjdjs.con-ip.com:1661

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-BTGK97

  • 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 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc7c2b5cecb62ddda8ab33eaaa7abf65.exe
    "C:\Users\Admin\AppData\Local\Temp\bc7c2b5cecb62ddda8ab33eaaa7abf65.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Users\Admin\AppData\Local\Temp\bc7c2b5cecb62ddda8ab33eaaa7abf65.exe
      "C:\Users\Admin\AppData\Local\Temp\bc7c2b5cecb62ddda8ab33eaaa7abf65.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    f37a7da6859ede9e04ff5f1762ea8348

    SHA1

    0e82fee5a1bc64a03e2db7a8d4422e92b0f5303c

    SHA256

    581f2e50823ea8d3dd0fdc0b5f74641c7f820f170b50223d3ffcb1e8a583d3fb

    SHA512

    573f2ad55b288729f5a4518e5ab4ff25695b2c9773da7b6b71be46fbf750297d3a80ebb9560b33411b43ab30e76ada34f700042e1d01169d177b4fc7cc3ca975

  • memory/1636-21-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-12-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-66-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-22-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-65-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-17-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-13-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-27-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-11-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-8-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-58-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-57-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-18-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-28-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-20-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-52-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-51-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-50-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-19-0x0000000000400000-0x00000000009BC000-memory.dmp

    Filesize

    5.7MB

  • memory/1636-49-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-35-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-36-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-43-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-46-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/1636-48-0x00000000009C0000-0x0000000000A42000-memory.dmp

    Filesize

    520KB

  • memory/2972-5-0x0000000000400000-0x00000000009BC000-memory.dmp

    Filesize

    5.7MB

  • memory/2972-6-0x0000000000400000-0x00000000009BC000-memory.dmp

    Filesize

    5.7MB

  • memory/2972-9-0x0000000000400000-0x00000000009BC000-memory.dmp

    Filesize

    5.7MB

  • memory/2972-4-0x0000000000400000-0x00000000009BC000-memory.dmp

    Filesize

    5.7MB

  • memory/2972-1-0x0000000000400000-0x00000000009BC000-memory.dmp

    Filesize

    5.7MB

  • memory/2972-2-0x0000000000507000-0x0000000000520000-memory.dmp

    Filesize

    100KB

  • memory/2972-16-0x0000000000400000-0x00000000009BC000-memory.dmp

    Filesize

    5.7MB

  • memory/2972-7-0x0000000000400000-0x00000000009BC000-memory.dmp

    Filesize

    5.7MB