Overview

overview

10

Static

static

1

d7a7a6550d...73.rtf

windows7-x64

10

d7a7a6550d...73.rtf

windows10-2004-x64

1

Sharing

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General

  • Target

    d7a7a6550d5e7c8fafe12dbed4b342114f27815c39515d68f5482984b1497673.doc

  • Size

    659KB

  • Sample

    250116-d2j6ca1lbk

  • MD5

    7df152da06e5d2f3df5b86722d756e8f

  • SHA1

    63be60641defd5addffcc8f1fb01d4cb2e87a8ed

  • SHA256

    d7a7a6550d5e7c8fafe12dbed4b342114f27815c39515d68f5482984b1497673

  • SHA512

    444f93d17c24c7946fd2804ca4f5438706a9a5c0f29caea51b5ed788b9ac00a390f822e035c698d2737de729fc7b78d28ebc4d25f524c9c8ab6b79c42c00454b

  • SSDEEP

    6144:1wAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAr:1

Score
10/10
remcosremotehostdiscoveryexecutionrat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

www.kposlifestyle.design:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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

    edefdefffff

  • mouse_option

    false

  • mutex

    Rmc-OH1QS4

  • 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

      d7a7a6550d5e7c8fafe12dbed4b342114f27815c39515d68f5482984b1497673.doc

    • Size

      659KB

    • MD5

      7df152da06e5d2f3df5b86722d756e8f

    • SHA1

      63be60641defd5addffcc8f1fb01d4cb2e87a8ed

    • SHA256

      d7a7a6550d5e7c8fafe12dbed4b342114f27815c39515d68f5482984b1497673

    • SHA512

      444f93d17c24c7946fd2804ca4f5438706a9a5c0f29caea51b5ed788b9ac00a390f822e035c698d2737de729fc7b78d28ebc4d25f524c9c8ab6b79c42c00454b

    • SSDEEP

      6144:1wAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAr:1

    Score
    10/10
    remcosremotehostdiscoveryexecutionrat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks