General

  • Target

    Document_200907124H.pdf.vbs

  • Size

    20KB

  • Sample

    240322-h8eawshh69

  • MD5

    77d59548ad7bd17a8dbfb5364289bc8e

  • SHA1

    e1067e49e8adec1ef0311c7fd27afac08270fc88

  • SHA256

    47db9c2c174dca1497a4a54a415d36589667e9721bd66d7a2470e544bd05f960

  • SHA512

    d18dec84dfb1a3fded4d948c4ed6e605780b603c11db5f6c59ef7bbc79cd92116fe9e174b8dac75b9c056a36070246d326e1d085c1c173e7821c8fa6ffdcc2a9

  • SSDEEP

    384:CE68L8cTZmiwOGPjLVFMRo3aTT8HN5gIDNuVgT:H68L8YoiwOGPgoqTgHNNsVM

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

a458386d9.duckdns.org:3256

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

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-KQ00DZ

  • 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

      Document_200907124H.pdf.vbs

    • Size

      20KB

    • MD5

      77d59548ad7bd17a8dbfb5364289bc8e

    • SHA1

      e1067e49e8adec1ef0311c7fd27afac08270fc88

    • SHA256

      47db9c2c174dca1497a4a54a415d36589667e9721bd66d7a2470e544bd05f960

    • SHA512

      d18dec84dfb1a3fded4d948c4ed6e605780b603c11db5f6c59ef7bbc79cd92116fe9e174b8dac75b9c056a36070246d326e1d085c1c173e7821c8fa6ffdcc2a9

    • SSDEEP

      384:CE68L8cTZmiwOGPjLVFMRo3aTT8HN5gIDNuVgT:H68L8YoiwOGPgoqTgHNNsVM

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Remcos

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

    • Checks computer location settings

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

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks