Overview

overview

10

Static

static

1

POTWIERDZE...531.js

windows10-2004-x64

10

POTWIERDZE...531.js

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    POTWIERDZENIE_PŁATNOŚCI_TRANSAKCJA_ZAKOŃCZONA_281000531.lzh
  • Size 2.5MB
  • Sample261105-ahawsawsgt
  • SHA256 473ce1fc3ef5b1ee95d5bee66591c59ccb004e808baf5497181f55370cd37c77
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
donutloaderremcos29_10_26_remotehostcollectiondiscoveryexecutionloaderratspywarestealer

Malware Config

Extracted

Family

  • remcos

Version

  • 7.3.1 Pro

Botnet

  • 29_10_26_RemoteHost

C2

  • derealforcloves.duckdns.org:8110

  • brtannyrose.duckdns.org:8110

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-1T5MK3

  • 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
      POTWIERDZENIE_PLATNOSCI_TRANSAKCJA_ZAKONCZONA_281000531.JS
    • Size 4.7MB
    • SHA256 8d39b5c87db34ffbbcbbde1f5235694fd8aaef3d1a286c23f0d6518299f200bc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    29_10_26_remotehostdiscoveryexecutiondonutloaderremcosloaderratcollectionspywarestealer

    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses Microsoft Outlook profiles

      collection

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks