General

  • Target

    Details File Copy.exe

  • Size

    974KB

  • Sample

    220620-ydhyladab5

  • MD5

    b5464c82d6bd5268c38367beb9108ef0

  • SHA1

    d4d10c50fa9dd4c6552fc5d784bc8cd3d990769a

  • SHA256

    d11eafc2b57f14d9140c1b8b6e36748b8c2f77f25a9cc0700d103d00678f5147

  • SHA512

    c6adb6d695813d8a32acee6774d22438fc8bacf905c88eec5c230b26a7bf20f578e501d5a8059964891df1d3469d864360fdf88dc23fc068af1e1dc0ddf203d4

Malware Config

Extracted

Family

remcos

Version

3.1.5 Pro

Botnet

Pro Origin

C2

185.189.112.19:5481

104.254.90.243:5481

199.249.230.22:5481

146.70.61.147:5481

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

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    yutyikhjh-WE9ENM

  • 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

      Details File Copy.exe

    • Size

      974KB

    • MD5

      b5464c82d6bd5268c38367beb9108ef0

    • SHA1

      d4d10c50fa9dd4c6552fc5d784bc8cd3d990769a

    • SHA256

      d11eafc2b57f14d9140c1b8b6e36748b8c2f77f25a9cc0700d103d00678f5147

    • SHA512

      c6adb6d695813d8a32acee6774d22438fc8bacf905c88eec5c230b26a7bf20f578e501d5a8059964891df1d3469d864360fdf88dc23fc068af1e1dc0ddf203d4

    • HawkEye

      HawkEye is a malware kit that has seen continuous development since at least 2013.

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Remcos

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

    • suricata: ET MALWARE Remocs 3.x Unencrypted Checkin

      suricata: ET MALWARE Remocs 3.x Unencrypted Checkin

    • suricata: ET MALWARE Remocs 3.x Unencrypted Server Response

      suricata: ET MALWARE Remocs 3.x Unencrypted Server Response

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Tasks