Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-10-2024 18:55

General

  • Target

    CONISGNACION CUS 13965855547 OCTUBRE 2 DE 2024.exe

  • Size

    2.4MB

  • MD5

    9e5634a01e241113ddc1a5a03265cd3e

  • SHA1

    17f3cba192f573754797b1fb6f644889f9abaaca

  • SHA256

    a8c0001bf62a178870fe526395703f682143078ad37d9b20e50f230dd9059648

  • SHA512

    3cea7ff14f48832b7ca955a5fa2c61115b1f2a5ec9f8df52e32692b07d9d34453fef29ef1d7c62ec666e0f38a4899a89db4a68f615602d267c0103d42fe52156

  • SSDEEP

    49152:7lnKF46FKC9PgROSeQ146cDPM2vCVapdoqwicf1/y36sbwAE1JgZIESTcNYPMI3Y:7ld16SwwgZRbaEIo

Malware Config

Extracted

Family

remcos

Botnet

XIOAMORT

C2

vcvfdjvodsuhvf.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-ALVZO2

  • 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\CONISGNACION CUS 13965855547 OCTUBRE 2 DE 2024.exe
    "C:\Users\Admin\AppData\Local\Temp\CONISGNACION CUS 13965855547 OCTUBRE 2 DE 2024.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Users\Admin\AppData\Local\Temp\CONISGNACION CUS 13965855547 OCTUBRE 2 DE 2024.exe
      "C:\Users\Admin\AppData\Local\Temp\CONISGNACION CUS 13965855547 OCTUBRE 2 DE 2024.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    81ba2524acf70f7ab5f03e32a58baaaf

    SHA1

    7040a5e1d5d43f33a6b0856c868564964021a456

    SHA256

    7a2fd71bcfad5593013693b13c6e3773294af03e9bb442befc964ec66011da6e

    SHA512

    846598783fcfe86b6e6d59d96d0e71b9db1cbdfd4298a5c032a787330b38d5ae4716645f77fe1dce6955497abe6228d96a3063cedeec46e94f545797e5f8c5f1

  • memory/2552-15-0x0000000000400000-0x000000000085A000-memory.dmp

    Filesize

    4.4MB

  • memory/2552-8-0x0000000000400000-0x000000000085A000-memory.dmp

    Filesize

    4.4MB

  • memory/2552-4-0x0000000000400000-0x000000000085A000-memory.dmp

    Filesize

    4.4MB

  • memory/2552-6-0x0000000000400000-0x000000000085A000-memory.dmp

    Filesize

    4.4MB

  • memory/2552-14-0x0000000000400000-0x000000000085A000-memory.dmp

    Filesize

    4.4MB

  • memory/2552-7-0x0000000000400000-0x000000000085A000-memory.dmp

    Filesize

    4.4MB

  • memory/2552-23-0x00000000007D3000-0x00000000007E2000-memory.dmp

    Filesize

    60KB

  • memory/2552-0-0x0000000000400000-0x000000000085A000-memory.dmp

    Filesize

    4.4MB

  • memory/2552-3-0x00000000007D3000-0x00000000007E2000-memory.dmp

    Filesize

    60KB

  • memory/2552-1-0x0000000000400000-0x000000000085A000-memory.dmp

    Filesize

    4.4MB

  • memory/2816-13-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2816-18-0x0000000000400000-0x000000000085A000-memory.dmp

    Filesize

    4.4MB

  • memory/2816-9-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2816-19-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2816-22-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2816-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2816-17-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB