Overview

overview

10

Static

static

Xhsjvezljj...fs.exe

windows7_x64

10

Xhsjvezljj...fs.exe

windows10-2004_x64

10

Sharing

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General

  • Target
    Xhsjvezljjvyeubpsyvkjosttfnghnibfs.exe
  • Size 963KB
  • Sample220209-sp67nsagb2
  • SHA256 8b7ae9f195b075a789d6d8277d500d27754bfa3c53ecca8db7beac8ccd07884f
  • MD5 SHA1 SHA512
Score
10/10
remcosbitrem2022persistencerat

Malware Config

Extracted

Family

  • remcos

Version

  • 3.3.2 Pro

Botnet

  • bitrem2022

C2

  • u864243.northcentralus.cloudapp.azure.com:2404

  • bitrem2022.northcentralus.cloudapp.azure.com:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    bitrem2022

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    bitrem2022-2AU1R6

  • 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

  • take_screenshot_title

    notepad;solitaire;

Extracted

Family

  • remcos

Botnet

  • bitrem2022

C2

  • u864243.northcentralus.cloudapp.azure.com:2404

  • bitrem2022.northcentralus.cloudapp.azure.com:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    bitrem2022

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    bitrem2022-2AU1R6

  • 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

  • take_screenshot_title

    notepad;solitaire;

Targets

    • Target
      Xhsjvezljjvyeubpsyvkjosttfnghnibfs.exe
    • Size 963KB
    • SHA256 8b7ae9f195b075a789d6d8277d500d27754bfa3c53ecca8db7beac8ccd07884f
    • MD5 SHA1 SHA512
    Score
    10/10
    remcosbitrem2022persistencerat

    • Remcos

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

      ratremcos

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks