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Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/02/2025, 08:49

General

  • Target

    9967AF915D0D71B70AC5C3CECCC9EAB4.exe

  • Size

    936KB

  • MD5

    9967af915d0d71b70ac5c3ceccc9eab4

  • SHA1

    4e44ee90eda97e7ed3ed7957554dfaa347e03951

  • SHA256

    e2044dd132ed43d44de5f48a18f60d5eb804cbf568ab117002272172b8757da8

  • SHA512

    32a3bfe9eac45cb4248db4376ff44df3e97a92713cbc36d0843d4d40a940d5c855175e633c29961155097e4985566d0ce08971ed303de43456190983d64d9361

  • SSDEEP

    12288:0+zjLf30WH0XUh/mbA3OJb4GWEJFORYQpCvMOAXoLZY7NjcOaaRMFKp//NKTUXqY:04jj0yFh/F+laYIzb4a7SOlNa2CP93Y

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.3.64.152:2559

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-TS121V

  • 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 WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9967AF915D0D71B70AC5C3CECCC9EAB4.exe
    "C:\Users\Admin\AppData\Local\Temp\9967AF915D0D71B70AC5C3CECCC9EAB4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2920
    • C:\Users\Admin\AppData\Local\Temp\9967AF915D0D71B70AC5C3CECCC9EAB4.exe
      "C:\Users\Admin\AppData\Local\Temp\9967AF915D0D71B70AC5C3CECCC9EAB4.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2920-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

    Filesize

    4KB

  • memory/2920-1-0x00000000004B0000-0x00000000005A0000-memory.dmp

    Filesize

    960KB

  • memory/2920-2-0x0000000005520000-0x0000000005AC4000-memory.dmp

    Filesize

    5.6MB

  • memory/2920-3-0x0000000005010000-0x00000000050A2000-memory.dmp

    Filesize

    584KB

  • memory/2920-4-0x0000000004F90000-0x0000000004F9A000-memory.dmp

    Filesize

    40KB

  • memory/2920-5-0x0000000005260000-0x00000000052FC000-memory.dmp

    Filesize

    624KB

  • memory/2920-6-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2920-7-0x0000000005400000-0x0000000005418000-memory.dmp

    Filesize

    96KB

  • memory/2920-8-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

    Filesize

    4KB

  • memory/2920-9-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2920-10-0x0000000006300000-0x00000000063C0000-memory.dmp

    Filesize

    768KB

  • memory/2920-18-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3404-15-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3404-22-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3404-12-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3404-17-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3404-16-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3404-11-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3404-19-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3404-20-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3404-21-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3404-14-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3404-23-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3404-24-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3404-25-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3404-26-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3404-27-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3404-28-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3404-29-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3404-30-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3404-31-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB