General

  • Target
    c8e7a02f038692b718562729a122e39e64cad6f27d0396bbf157cfbcc90ba7d7.exe
  • Size 699KB
  • Sample260306-rybaxsav7x
  • SHA256 c8e7a02f038692b718562729a122e39e64cad6f27d0396bbf157cfbcc90ba7d7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.1.0 Pro

Botnet
  • RemoteHost

C2
  • 130.12.182.181:2404

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

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-8GPHOD

  • 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
      c8e7a02f038692b718562729a122e39e64cad6f27d0396bbf157cfbcc90ba7d7.exe
    • Size 699KB
    • SHA256 c8e7a02f038692b718562729a122e39e64cad6f27d0396bbf157cfbcc90ba7d7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Guloader family

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Remcos

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

    • Remcos family

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

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

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 6950991102462d84fdc0e3b0ae30c95af8c192f77ce3d78e8d54e6b22f7c09ba
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks