Overview

overview

10

Static

static

3

eCertifica...ld.exe

windows10-2004-x64

10

eCertifica...ld.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    31032026_1525_30032026_eCertificate of Creditable Income Taxes Withheld.rar
  • Size 982KB
  • Sample260331-sttgdabw8l
  • SHA256 89cc69466a10e232f5c577f140803776db2a53c95816d01d1cbeac53d9ebf535
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcoscaadwarediscoverypersistenceratspyware

Malware Config

Extracted

Family

  • remcos

Version

  • 7.2.1 Pro

Botnet

  • CA

C2

  • catoma11.accesscam.org:6066

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-4LJ8C4

  • 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
      eCertificate of Creditable Income Taxes Withheld.exe
    • Size 1.5MB
    • SHA256 87d3c3ceda39f47799ab87852b617718600a550a5133b7a2dcffab63230adc3c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    adwarecadiscoveryremcospersistenceratspyware

    • Modifies WinLogon for persistence

      persistence

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Executes dropped EXE

    • Uses the VBS compiler for execution

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks