Overview

overview

10

Static

static

1

PC-101-105.exe

windows7-x64

9

PC-101-105.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    PC-101-105.exe
  • Size 54KB
  • Sample240302-vxsqcsfg96
  • SHA256 88014ff5f5703337988e52ccc07ba842637c6db0d75ee56a122bf2da1f5e65a3
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
remcos983733discoverypersistencerat

Malware Config

Extracted

Family

  • remcos

Botnet

  • 983733

C2

  • windowslvlssfebupdate.duckdns.org:4241

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

    87363-Q6VFRV

  • 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
      PC-101-105.exe
    • Size 54KB
    • SHA256 88014ff5f5703337988e52ccc07ba842637c6db0d75ee56a122bf2da1f5e65a3
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    discoveryremcos983733persistencerat

    • Remcos

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

      ratremcos

    • Contacts a large (4106) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

      discovery

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

      discovery

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks