General

  • Target
    1353d2318463be28ebcffe36398b90b873ee21e2bde3d03f929103729c4b95ea.exe
  • Size 520KB
  • Sample240422-nnad4aah51
  • SHA256 1353d2318463be28ebcffe36398b90b873ee21e2bde3d03f929103729c4b95ea
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • remcos

Botnet
  • RemoteHost

C2
  • 209.90.234.20:2404

Attributes
  • audio_folder

    MicRecords

  • 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-YDAEDG

  • 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
      1353d2318463be28ebcffe36398b90b873ee21e2bde3d03f929103729c4b95ea.exe
    • Size 520KB
    • SHA256 1353d2318463be28ebcffe36398b90b873ee21e2bde3d03f929103729c4b95ea
    • MD5 SHA1 SHA512 SSDEEP
    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Remcos

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

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target
      ravnemorens/Frsteinstanserne/Instantiations.Lil
    • Size 54KB
    • SHA256 eb26aa5b4ec7a1c0c0ad2be344c02a23f770815a40e84e5b1b5fe24c9b64edda
    • MD5 SHA1 SHA512 SSDEEP
    Score
    8/10
    • Modifies Installed Components in the registry

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Enterprise v15

Tasks