Overview

overview

10

Static

static

1

SwiftMtc.JS.js

windows10-2004-x64

10

SwiftMtc.JS.js

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    SwiftMtc.JS.js
  • Size 4.6MB
  • Sample261013-evj3fa1sc1
  • SHA256 bbb93295a53d22150eef772cc4ab5436e769f97041e741d6377c9373468c03ad
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
donutloaderremcosmeknkekusdiscoveryexecutionloaderpersistenceratsuricata

Malware Config

Extracted

Family

  • remcos

Version

  • 7.3.1 Pro

Botnet

  • MEKNKEKUS

C2

  • 217.60.195.216:2017

  • 77.73.20.105:2017

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

    remcos

  • mouse_option

    false

  • mutex

    Rmc-HR3KPM

  • 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
      SwiftMtc.JS.js
    • Size 4.6MB
    • SHA256 bbb93295a53d22150eef772cc4ab5436e769f97041e741d6377c9373468c03ad
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    meknkekusdiscoveryexecutiondonutloaderremcosloaderpersistenceratsuricata

    • Detects DonutLoader

      loader

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

      loaderdonutloader

    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks