Overview

overview

10

Static

static

3

Permafrost...64.exe

windows10-2004-x64

10

Permafrost...64.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    7d2cee6f71b58811cccfc64f27ab03769d57083674559b1a36b11971a697b8d6.bin
  • Size 190.1MB
  • Sample260811-bn23wssfle
  • SHA256 7d2cee6f71b58811cccfc64f27ab03769d57083674559b1a36b11971a697b8d6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcos24024discoveryexecutionpersistenceratsuricata

Malware Config

Extracted

Family

  • remcos

Version

  • 7.2.6 Pro

Botnet

  • 24024

C2

  • 196.251.107.252:24024

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    certmng.exe

  • copy_folder

    Config

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    TRY244-A84K28

  • 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
      Permafrost-win-x64.exe
    • Size 190.1MB
    • SHA256 9c82834aaf2a77ebeddf1e9a34196da05726808718148e8cd53d6df02464444e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    24024discoveryexecutionremcospersistenceratsuricata

    • Family: Remcos

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

      ratremcos

    • Suricata alert: REMCOS RAT Malware Inbound C2 Communication

      Network activity triggered a Suricata alert

      suricataremcos

    • Suricata alert: REMCOS RAT Malware Outbound C2 Communication

      Network activity triggered a Suricata alert

      suricataremcos

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks