General

  • Target
    545fc32a415b30cbc6c26f91524f56845b41cfcfbf2d003f329f01d1247f187a
  • Size 696KB
  • Sample260508-np72ragt2v
  • SHA256 545fc32a415b30cbc6c26f91524f56845b41cfcfbf2d003f329f01d1247f187a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.2.4 Pro

Botnet
  • NoStartupDark

C2
  • 163.61.182.8:2245

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    logs

  • 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-7VXEG8

  • 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
      Confirmation Transfer Copy-MT103_Xls.exe
    • Size 802KB
    • SHA256 75e48d7a8c1953a4336f5f617dc9c5c4ca52e2d21206f77359cf494004b6fa07
    • 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.

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks