Overview

overview

10

Static

static

1

RFQ_f319c7...22.rtf

windows7-x64

10

RFQ_f319c7...22.rtf

windows10-2004-x64

1

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General

  • Target

    RFQ_f319c744-00b6-42df-aa0b-19a7524ce222.doc

  • Size

    636KB

  • Sample

    250128-p47j7sskbj

  • MD5

    4ea28268f6fc90f0e5cd4364b237b8e2

  • SHA1

    ad65713260687c65091ca17ca6eee44c8fbf0126

  • SHA256

    3866b27ef82bad0f3a6d0e04a9480876f930d118d89485d72622651d31531308

  • SHA512

    a8e7bc9181db5c96e7d35dfbe31e23d250f2252023ac9741a15b0cd70a3549a0a82ba1fff0f5539ce8f53f4f6230dcecd3002668b8944a5ca3b67ec1c12c1c77

  • SSDEEP

    6144:hwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAa:kT

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

      RFQ_f319c744-00b6-42df-aa0b-19a7524ce222.doc

    • Size

      636KB

    • MD5

      4ea28268f6fc90f0e5cd4364b237b8e2

    • SHA1

      ad65713260687c65091ca17ca6eee44c8fbf0126

    • SHA256

      3866b27ef82bad0f3a6d0e04a9480876f930d118d89485d72622651d31531308

    • SHA512

      a8e7bc9181db5c96e7d35dfbe31e23d250f2252023ac9741a15b0cd70a3549a0a82ba1fff0f5539ce8f53f4f6230dcecd3002668b8944a5ca3b67ec1c12c1c77

    • SSDEEP

      6144:hwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAa:kT

    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