Overview

overview

10

Static

static

1

Sign 采�...pdf.js

windows10-2004-x64

10

Sign 采�...pdf.js

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Sign 采购单3301-20210220006.pdf.js
  • Size 19.0MB
  • Sample260820-jt754asdqf
  • SHA256 ca2f6a6a991da93820340a30003176dcea7bd568175991fc5dfdb644a0d65bdc
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcosgrtsdiscoveryexecutionpersistenceprivilege_escalationrat

Malware Config

Extracted

Family

  • remcos

Version

  • 3.8.0 Pro

Botnet

  • GrTs

C2

  • bokiass.noip.at:55550

Attributes
  • audio_folder

    MicRecords

  • 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

    chrom

  • keylog_path

    %WinDir%\System32

  • mouse_option

    false

  • mutex

    Rmc-ASUS6A

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      Sign 采购单3301-20210220006.pdf.js
    • Size 19.0MB
    • SHA256 ca2f6a6a991da93820340a30003176dcea7bd568175991fc5dfdb644a0d65bdc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    grtsdiscoveryexecutionremcospersistenceprivilege_escalationrat

    • Family: Remcos

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

      ratremcos

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

      persistenceprivilege_escalation

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks