Overview

overview

10

Static

static

10

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    file.exe
  • Size 23KB
  • Sample230216-h8dpcsgd79
  • SHA256 47fb3f47c7d8d30d6bc605805e10fa9c60af5c0516b93e475c030da9144a715d
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
purecrypterremcosremotehostdownloaderloaderrat

Malware Config

Extracted

Family

  • purecrypter

C2

  • https://onedrive.live.com/download?cid=BD9480D014FE52E5&resid=BD9480D014FE52E5%21385&authkey=AB7WYGSbxFgcTyw

Extracted

Family

  • remcos

Botnet

  • RemoteHost

C2

  • 185.189.112.27:30544

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-C12GMX

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      file.exe
    • Size 23KB
    • SHA256 47fb3f47c7d8d30d6bc605805e10fa9c60af5c0516b93e475c030da9144a715d
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    purecrypterdownloaderloaderremcosremotehostrat

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

      loaderdownloaderpurecrypter

    • Remcos

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

      ratremcos

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks