Overview

overview

10

Static

static

3

cf5e4e04ea...25.exe

windows7-x64

10

cf5e4e04ea...25.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cf5e4e04eae3874b23bcf6ca6f39442717c5599a749b0f558b6420ec25230a25

  • Size

    372KB

  • Sample

    250328-y5sbcasny3

  • MD5

    64cb67dfd7cf1af076ac36a20b513937

  • SHA1

    df91c11bc8e7c8af20600df81cf12f6d965d12da

  • SHA256

    cf5e4e04eae3874b23bcf6ca6f39442717c5599a749b0f558b6420ec25230a25

  • SHA512

    fa802ac5b8697f5db018e0182b920f50a6b54ac40559d9ffe1873cf7c482ab6ef31b19a7f5247b7265d3018ed9bd468a894ea4218a6b35bc723b4aa1b4a460e9

  • SSDEEP

    6144:tLdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiKe:tBqQx+H2i+8LBNbdypazCXY0

Score
10/10
remcostinodiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

2.4.3 Pro

Botnet

TINo

C2

185.140.53.140:2404

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    true

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-5S9O07

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      cf5e4e04eae3874b23bcf6ca6f39442717c5599a749b0f558b6420ec25230a25

    • Size

      372KB

    • MD5

      64cb67dfd7cf1af076ac36a20b513937

    • SHA1

      df91c11bc8e7c8af20600df81cf12f6d965d12da

    • SHA256

      cf5e4e04eae3874b23bcf6ca6f39442717c5599a749b0f558b6420ec25230a25

    • SHA512

      fa802ac5b8697f5db018e0182b920f50a6b54ac40559d9ffe1873cf7c482ab6ef31b19a7f5247b7265d3018ed9bd468a894ea4218a6b35bc723b4aa1b4a460e9

    • SSDEEP

      6144:tLdgUkQx+HXGidCzj8LBb8Rw5Jdypyf6aCXYfhiKe:tBqQx+H2i+8LBNbdypazCXY0

    Score
    10/10
    remcostinodiscoverypersistencerat

    • Modifies WinLogon for persistence

      persistence

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

      ratremcos

    • Remcos family

      remcos

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Modifies WinLogon

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks