Overview

overview

10

Static

static

36909bb88f...00.exe

windows7_x64

36909bb88f...00.exe

windows10_x64

10

Sharing

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General

  • Target
    36909bb88f91e69d271e206ab3fa8f00.exe
  • Size 444KB
  • Sample210901-wdtwf15x4e
  • SHA256 75591cb23ef20e0a1bc8d01a392621d608b83ee25bcf37b330d3e966d2c8a50b
  • MD5 SHA1 SHA512
Score
10/10
guloaderremcoshostdownloaderpersistenceratsuricata

Malware Config

Extracted

Family

  • remcos

Version

  • 1.7 Pro

Botnet

  • Host

C2

  • xp19.ddns.net:1996

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    win.exe

  • copy_folder

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_awasibpwth

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    vlc

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

Targets

    • Target
      36909bb88f91e69d271e206ab3fa8f00.exe
    • Size 444KB
    • SHA256 75591cb23ef20e0a1bc8d01a392621d608b83ee25bcf37b330d3e966d2c8a50b
    • MD5 SHA1 SHA512
    Score
    10/10
    guloaderremcoshostdownloaderpersistenceratsuricata

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Remcos

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

      ratremcos

    • suricata: ET MALWARE Generic .bin download from Dotted Quad

      suricata: ET MALWARE Generic .bin download from Dotted Quad

      suricata

    • suricata: ET MALWARE Remcos RAT Checkin 23

      suricata: ET MALWARE Remcos RAT Checkin 23

      suricata

    • Executes dropped EXE

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks