Overview

overview

10

Static

static

1

3c5444b736...c9.rtf

windows7-x64

10

3c5444b736...c9.rtf

windows10-2004-x64

1

Sharing

Copy URL
Twitter E-mail

General

  • Target

    3c5444b736af60ee4f23f9f411c0c6c7a266647e0b127500f1e320e4946fb2c9.rtf

  • Size

    77KB

  • Sample

    240326-cljdfabg24

  • MD5

    cde3695e8c23e9e09db22243c899a215

  • SHA1

    82598dfe560b70c5f2c6441bc4c13a58309ce0e8

  • SHA256

    3c5444b736af60ee4f23f9f411c0c6c7a266647e0b127500f1e320e4946fb2c9

  • SHA512

    30ade51f2792be8be9a5bc3c37b76333fea66f7f480f5b0e0dd63a2578bc4c80f77aa2c9d536d665d2cf2311910794c0e8dc5af6bc16688d43676ef6507abb5e

  • SSDEEP

    1536:YxfsTw3nHeO1NwvfG08IhcX7Obmpy8wt0O/pARY9BxeRO5Ddc9h:Yxuw9bGfv3a+mpyht0+p2SeRO55c9h

Score
10/10
remcosremotehostpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

gregolia.duckdns.org:2445

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-LAJDD7

  • 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

      3c5444b736af60ee4f23f9f411c0c6c7a266647e0b127500f1e320e4946fb2c9.rtf

    • Size

      77KB

    • MD5

      cde3695e8c23e9e09db22243c899a215

    • SHA1

      82598dfe560b70c5f2c6441bc4c13a58309ce0e8

    • SHA256

      3c5444b736af60ee4f23f9f411c0c6c7a266647e0b127500f1e320e4946fb2c9

    • SHA512

      30ade51f2792be8be9a5bc3c37b76333fea66f7f480f5b0e0dd63a2578bc4c80f77aa2c9d536d665d2cf2311910794c0e8dc5af6bc16688d43676ef6507abb5e

    • SSDEEP

      1536:YxfsTw3nHeO1NwvfG08IhcX7Obmpy8wt0O/pARY9BxeRO5Ddc9h:Yxuw9bGfv3a+mpyht0+p2SeRO55c9h

    Score
    10/10
    remcosremotehostpersistencerat

    • Remcos

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

      ratremcos

    • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Blocklisted process makes network request

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks