Overview

overview

10

Static

static

1

SecuriteIn...46.rtf

windows7-x64

10

SecuriteIn...46.rtf

windows10-2004-x64

1

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General

  • Target

    SecuriteInfo.com.Exploit.Rtf.Obfuscated.32.3157.15146.rtf

  • Size

    72KB

  • Sample

    240321-mg376aah6y

  • MD5

    5bf54b403f527d7dd9d6ac71650437a2

  • SHA1

    6a940ffcc01211b1cb7dea2615ec4d0e65a66cbf

  • SHA256

    9435872f90e89f89681ed8d4061ef542a6bdf574a2968d7f957aaa9d2f80ce3b

  • SHA512

    e153125ba994206221089c6f5ada81609f8b616c413bb6b824db04e30aaa8383a52c80b1339e10c7a1389d2b001a2d7e729a1c101a409678969798cd4901dcaf

  • SSDEEP

    1536:1Px4QfoTvAHO+m41LDTlBUgyumlLmq7Ar0ZyMwg:1Z4Qw0u+VloumlLmgAr0ZZ

Score
10/10
remcosremotehostpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

newerra.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-QDIYCC

  • 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

      SecuriteInfo.com.Exploit.Rtf.Obfuscated.32.3157.15146.rtf

    • Size

      72KB

    • MD5

      5bf54b403f527d7dd9d6ac71650437a2

    • SHA1

      6a940ffcc01211b1cb7dea2615ec4d0e65a66cbf

    • SHA256

      9435872f90e89f89681ed8d4061ef542a6bdf574a2968d7f957aaa9d2f80ce3b

    • SHA512

      e153125ba994206221089c6f5ada81609f8b616c413bb6b824db04e30aaa8383a52c80b1339e10c7a1389d2b001a2d7e729a1c101a409678969798cd4901dcaf

    • SSDEEP

      1536:1Px4QfoTvAHO+m41LDTlBUgyumlLmq7Ar0ZyMwg:1Z4Qw0u+VloumlLmgAr0ZZ

    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