Overview

overview

10

Static

static

10

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    file.exe

  • Size

    23KB

  • Sample

    230216-h8dpcsgd79

  • MD5

    4a5b45207512b2f4ee3bd8cd7a25ba9e

  • SHA1

    2700be565b25a627c86adf20798e90e99958a3ea

  • SHA256

    47fb3f47c7d8d30d6bc605805e10fa9c60af5c0516b93e475c030da9144a715d

  • SHA512

    a1e26da024c534083fde7dee2846973489ceb06c536a751bde47fa74977efe5ab3762bd8f82bc427800eb43ee9e56064dcbd755d00454c2be112cdd04eb2e4ce

  • SSDEEP

    384:YbrFmwPzQHzVZJq/S8frSo62tCT+UuSvwiFawG:Ah2HzIfrS8fiFa/

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

    • MD5

      4a5b45207512b2f4ee3bd8cd7a25ba9e

    • SHA1

      2700be565b25a627c86adf20798e90e99958a3ea

    • SHA256

      47fb3f47c7d8d30d6bc605805e10fa9c60af5c0516b93e475c030da9144a715d

    • SHA512

      a1e26da024c534083fde7dee2846973489ceb06c536a751bde47fa74977efe5ab3762bd8f82bc427800eb43ee9e56064dcbd755d00454c2be112cdd04eb2e4ce

    • SSDEEP

      384:YbrFmwPzQHzVZJq/S8frSo62tCT+UuSvwiFawG:Ah2HzIfrS8fiFa/

    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