Overview

overview

10

Static

static

1

sheng05.docx

windows7-x64

10

sheng05.docx

windows10-2004-x64

1

Sharing

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General

  • Target
    sheng05.docx
  • Size 16KB
  • Sample240606-laltvscc8v
  • SHA256 42eab0a9360145ed50997c9247853e761d3cd1f700ac19a8ab259ed3383e9989
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
remcosremotehostrat

Malware Config

Extracted

Family

  • remcos

Botnet

  • RemoteHost

C2

  • manfor.duckdns.org:2404

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-7BH6Y4

  • 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
      sheng05.docx
    • Size 16KB
    • SHA256 42eab0a9360145ed50997c9247853e761d3cd1f700ac19a8ab259ed3383e9989
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    remcosremotehostrat

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Abuses OpenXML format to download file from external location

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks