Overview

overview

10

Static

static

10

RMX.exe

windows7-x64

10

RMX.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    RMX.exe

  • Size

    469KB

  • Sample

    241213-mes96sxlap

  • MD5

    87d7fffd5ec9e7bc817d31ce77dee415

  • SHA1

    6cc44ccc0438c65cdef248cc6d76fc0d05e79222

  • SHA256

    47ae8e5d41bbd1eb506a303584b124c3c8a1caeac4564252fa78856190f0f628

  • SHA512

    1d2c6ec8676cb1cfbe37f808440287ea6a658d3f21829b5001c3c08a663722eb0537cc681a6faa7d39dc16a101fa2bbf55989a64a7c16143f11aa96033b886a5

  • SSDEEP

    12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSAn9:uiLJbpI7I2WhQqZ7A9

Score
10/10
remcosrmxdiscoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

remcos

Botnet

RMX

C2

154.216.18.132:6868

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

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-8G0TND

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      RMX.exe

    • Size

      469KB

    • MD5

      87d7fffd5ec9e7bc817d31ce77dee415

    • SHA1

      6cc44ccc0438c65cdef248cc6d76fc0d05e79222

    • SHA256

      47ae8e5d41bbd1eb506a303584b124c3c8a1caeac4564252fa78856190f0f628

    • SHA512

      1d2c6ec8676cb1cfbe37f808440287ea6a658d3f21829b5001c3c08a663722eb0537cc681a6faa7d39dc16a101fa2bbf55989a64a7c16143f11aa96033b886a5

    • SSDEEP

      12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSAn9:uiLJbpI7I2WhQqZ7A9

    Score
    10/10
    remcosrmxdiscoveryevasionpersistencerattrojan

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • UAC bypass

      evasiontrojan

    • Adds policy Run key to start application

      persistence

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks