General

  • Target
    Kajeput.vbs
  • Size 139KB
  • Sample261028-qqbfaa1ycs
  • SHA256 b43a005188f195683c34d9ea85522fe1563ed91adf0b9df9b65d77dab8620e68
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.3.1 Pro

Botnet
  • RemoteHost1

C2
  • 130.12.182.29:2404

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-GLASEN

  • 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
      Kajeput.vbs
    • Size 139KB
    • SHA256 b43a005188f195683c34d9ea85522fe1563ed91adf0b9df9b65d77dab8620e68
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Family: Remcos

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

    • Badlisted process makes network request

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Accesses Microsoft Outlook profiles

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Executes a VBScript file via the Windows Script Host.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks