Overview

overview

10

Static

static

3

e7cfccae22...0c.exe

windows10-2004-x64

10

e7cfccae22...0c.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    e7cfccae222568b1fa4e94afc51ffe55260a4d9aa0deed412e1a2d0a9ce94e0c.exe
  • Size 1.4MB
  • Sample260205-tdf2sact8f
  • SHA256 e7cfccae222568b1fa4e94afc51ffe55260a4d9aa0deed412e1a2d0a9ce94e0c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcosremotehostdiscoverypersistencerat

Malware Config

Extracted

Family

  • remcos

Version

  • 7.1.0 Pro

Botnet

  • RemoteHost

C2

  • 77.83.39.247:2556

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-IBKT0I

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      e7cfccae222568b1fa4e94afc51ffe55260a4d9aa0deed412e1a2d0a9ce94e0c.exe
    • Size 1.4MB
    • SHA256 e7cfccae222568b1fa4e94afc51ffe55260a4d9aa0deed412e1a2d0a9ce94e0c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    remotehostdiscoveryremcospersistencerat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks