Overview

overview

10

Static

static

1

82b9791b7c...f3.rtf

windows7-x64

10

82b9791b7c...f3.rtf

windows10-2004-x64

1

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General

  • Target

    82b9791b7ce0990ba12c91af471f0ef3.rtf

  • Size

    62KB

  • Sample

    240321-wa58lsfd7z

  • MD5

    82b9791b7ce0990ba12c91af471f0ef3

  • SHA1

    3f4ec45cc9d8bfa17c0ac166c164d87af302b991

  • SHA256

    fb230da1a1bb4fe1373cc779a3991f4fb7a3c8e1dff6265706e91cfac2d72552

  • SHA512

    cc58f2f8eb25e2456faf2593557dc78616a3245f72c56f942d5896e1e09fc55146c2b6203c43c175a0de20c6e1306412837c1cac27d8a188730741cdec7b639e

  • SSDEEP

    768:tIoiPv9xZnRsyU5cpTgfgqei7QZ3ckyQCj3WZxV4vCql6ioadDle:tIPFRcEKei7g1C7CW36ilfe

Score
10/10
remcosremotehostpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

sembe.duckdns.org:14645

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

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    notess

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Rmc-P0AEMX

  • 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

      82b9791b7ce0990ba12c91af471f0ef3.rtf

    • Size

      62KB

    • MD5

      82b9791b7ce0990ba12c91af471f0ef3

    • SHA1

      3f4ec45cc9d8bfa17c0ac166c164d87af302b991

    • SHA256

      fb230da1a1bb4fe1373cc779a3991f4fb7a3c8e1dff6265706e91cfac2d72552

    • SHA512

      cc58f2f8eb25e2456faf2593557dc78616a3245f72c56f942d5896e1e09fc55146c2b6203c43c175a0de20c6e1306412837c1cac27d8a188730741cdec7b639e

    • SSDEEP

      768:tIoiPv9xZnRsyU5cpTgfgqei7QZ3ckyQCj3WZxV4vCql6ioadDle:tIPFRcEKei7g1C7CW36ilfe

    Score
    10/10
    remcosremotehostpersistencerat

    • Remcos

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

      ratremcos

    • 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