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Overview

overview

10

Static

static

1

05a78afa4e...74.exe

windows7-x64

10

05a78afa4e...74.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    05a78afa4e3999d56efa902bf46a8427408d16b08e40e0883c63bddd8b86c274

  • Size

    1.9MB

  • Sample

    250323-y7vjgstzgv

  • MD5

    c59fb68fb5e11be3dc7b53a449f31942

  • SHA1

    f82c99791dab49a9e8c38c2f4db1705b57a9547d

  • SHA256

    05a78afa4e3999d56efa902bf46a8427408d16b08e40e0883c63bddd8b86c274

  • SHA512

    f08a12d019d17120129994ab34c26ad80d20690bdebafa9aa77fabc0d30fd0a8c01712f85bffe277d1c7598ae92c72ea6f04a00acc34d3fea826f34ecdc4ae89

  • SSDEEP

    24576:fD39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJWqwH6G:fF+QrFUBgq25eKu6G

Score
10/10
remcoshostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Botnet

Host

C2

213.183.58.19:4000

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

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    read.dat

  • keylog_flag

    false

  • keylog_folder

    CastC

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_sccafsoidz

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      05a78afa4e3999d56efa902bf46a8427408d16b08e40e0883c63bddd8b86c274

    • Size

      1.9MB

    • MD5

      c59fb68fb5e11be3dc7b53a449f31942

    • SHA1

      f82c99791dab49a9e8c38c2f4db1705b57a9547d

    • SHA256

      05a78afa4e3999d56efa902bf46a8427408d16b08e40e0883c63bddd8b86c274

    • SHA512

      f08a12d019d17120129994ab34c26ad80d20690bdebafa9aa77fabc0d30fd0a8c01712f85bffe277d1c7598ae92c72ea6f04a00acc34d3fea826f34ecdc4ae89

    • SSDEEP

      24576:fD39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJWqwH6G:fF+QrFUBgq25eKu6G

    Score
    10/10
    remcoshostdiscoverypersistencerat

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks