Overview

overview

10

Static

static

3

3799fefd99...03.exe

windows7-x64

10

3799fefd99...03.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    3799fefd99f0042be2e286b28b2902fd3a7ec31d812694ff7a96f266b11b8003.exe
  • Size 1.1MB
  • Sample250310-pbj87stycy
  • SHA256 3799fefd99f0042be2e286b28b2902fd3a7ec31d812694ff7a96f266b11b8003
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
remcosfeb 19discoveryexecutionrat

Malware Config

Extracted

Family

  • remcos

Botnet

  • FEB 19

C2

  • austin99.duckdns.org:9373

  • 103.186.117.61:9373

  • sales778.bounceme.net:9373

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-7BJJCC

  • 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
      3799fefd99f0042be2e286b28b2902fd3a7ec31d812694ff7a96f266b11b8003.exe
    • Size 1.1MB
    • SHA256 3799fefd99f0042be2e286b28b2902fd3a7ec31d812694ff7a96f266b11b8003
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    remcosfeb 19discoveryexecutionrat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks