Overview

overview

10

Static

static

3

bac4939023...51.exe

windows7-x64

10

bac4939023...51.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bac49390230b8d170af75761bf64a3e877b570bea0c9b5ba73dd54a7fab5c351

  • Size

    849KB

  • Sample

    240918-a9t4qstfka

  • MD5

    90b3d027e4e43d4c867f04b4c89c8589

  • SHA1

    c23bed92fbe828fa9699115d15e0296ba18ca561

  • SHA256

    bac49390230b8d170af75761bf64a3e877b570bea0c9b5ba73dd54a7fab5c351

  • SHA512

    c5ad505038b66cc8388cfd8d558734663ab3a01e648fe91a25f3103e0493d78e42d03d7090a6738fbf0acda474511be9af57b0416618df3cfb089bb326b82fe4

  • SSDEEP

    24576:wWnj81akfCViEDhkD+08jwUNH7wMOYfcuLTJdHRa:wWg1akf8iehgzIHJ7wMODIVdHRa

Score
10/10
remcosremotehostdiscoveryexecutionrat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:59321

nnamoo.duckdns.org:59321
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-41EVS0

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      bac49390230b8d170af75761bf64a3e877b570bea0c9b5ba73dd54a7fab5c351

    • Size

      849KB

    • MD5

      90b3d027e4e43d4c867f04b4c89c8589

    • SHA1

      c23bed92fbe828fa9699115d15e0296ba18ca561

    • SHA256

      bac49390230b8d170af75761bf64a3e877b570bea0c9b5ba73dd54a7fab5c351

    • SHA512

      c5ad505038b66cc8388cfd8d558734663ab3a01e648fe91a25f3103e0493d78e42d03d7090a6738fbf0acda474511be9af57b0416618df3cfb089bb326b82fe4

    • SSDEEP

      24576:wWnj81akfCViEDhkD+08jwUNH7wMOYfcuLTJdHRa:wWg1akf8iehgzIHJ7wMODIVdHRa

    Score
    10/10
    remcosremotehostdiscoveryexecutionrat

    • Remcos

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

      ratremcos

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks