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Overview

overview

10

Static

static

1

ff9b3972b1...31.exe

windows7-x64

10

ff9b3972b1...31.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ff9b3972b169896c9f9cbb757a31dee0a842a5fae8d58aa2c476a3fd1aafea31

  • Size

    1023KB

  • Sample

    230206-rk34saec54

  • MD5

    55ee911615a55fc7ed410f68324bb3e5

  • SHA1

    71c9737ff98d14c30332f0197e03956c620de578

  • SHA256

    ff9b3972b169896c9f9cbb757a31dee0a842a5fae8d58aa2c476a3fd1aafea31

  • SHA512

    64ced508adb64328b5776179089456dae44372212ea4bcf46be01b5b6b1b6621ba6cc6feac9e0d1c36b76411645784ed7539b499d59d679c61a4f1a503575ff1

  • SSDEEP

    24576:qohABYTjfr2z3GoVJZmyELytqveCspFtxNR/:3VXz+3DVOdve5prH

Score
10/10
remcosremotehostpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

45.139.105.174:2210

212.193.30.230:6320

212.193.30.230:2286
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

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-UP55W2

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      ff9b3972b169896c9f9cbb757a31dee0a842a5fae8d58aa2c476a3fd1aafea31

    • Size

      1023KB

    • MD5

      55ee911615a55fc7ed410f68324bb3e5

    • SHA1

      71c9737ff98d14c30332f0197e03956c620de578

    • SHA256

      ff9b3972b169896c9f9cbb757a31dee0a842a5fae8d58aa2c476a3fd1aafea31

    • SHA512

      64ced508adb64328b5776179089456dae44372212ea4bcf46be01b5b6b1b6621ba6cc6feac9e0d1c36b76411645784ed7539b499d59d679c61a4f1a503575ff1

    • SSDEEP

      24576:qohABYTjfr2z3GoVJZmyELytqveCspFtxNR/:3VXz+3DVOdve5prH

    Score
    10/10
    remcosremotehostpersistencerat

    • Remcos

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

      ratremcos

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks