Overview

overview

10

Static

static

1

_f42a7201a...ead.js

windows10-2004-x64

10

_f42a7201a...ead.js

windows11-21h2-x64

10

Sharing

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General

  • Target
    _f42a7201a6f9d1a0bb2b5e4467690d63aea67ed968feb87fee30d6de46a3dead.txt
  • Size 3.0MB
  • Sample260306-l5f7vsaz7m
  • SHA256 f42a7201a6f9d1a0bb2b5e4467690d63aea67ed968feb87fee30d6de46a3dead
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcosremotehostcollectiondefense_evasiondiscoveryexecutionrat

Malware Config

Extracted

Family

  • remcos

Version

  • 7.1.0 Pro

Botnet

  • RemoteHost

C2

  • flivication-officefax.myhome-server.de:4333

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

    gfufi.dat

  • keylog_flag

    false

  • keylog_folder

    kuyip

  • mouse_option

    false

  • mutex

    kjgig-K47TC9

  • 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
      _f42a7201a6f9d1a0bb2b5e4467690d63aea67ed968feb87fee30d6de46a3dead.txt
    • Size 3.0MB
    • SHA256 f42a7201a6f9d1a0bb2b5e4467690d63aea67ed968feb87fee30d6de46a3dead
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    remotehostcollectiondefense_evasiondiscoveryexecutionremcosrat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

      collection

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks