Overview

overview

10

Static

static

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    file.exe

  • Size

    2.7MB

  • Sample

    230201-qf3f1sga5x

  • MD5

    79f47ea1ffef2cbc356aaa87610d9168

  • SHA1

    3dfa9f0128fbcb080f2dd22ccd5917d2d57d06be

  • SHA256

    3d9599c4660790e2a9ec335ff9384efb10443eae67d22925697fd30d48f87414

  • SHA512

    4330bc516693b647da60de7e109d811321e98164362ca495bd0f4402c3f42f7eb1fb265cdae685655b51ef837909c895281587ab4f9af987e9550ab495433cb6

  • SSDEEP

    49152:X3VxHbk7Rv6msAP/RpWY23Y7MrKSmSejpe:Hbr/O/BO+SV

Score
10/10
purecrypterremcossolutiondownloaderloaderrat

Malware Config

Extracted

Family

remcos

Botnet

Solution

C2

infoprokaps.ddns.net:6838

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-SJ6VHY

  • 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

      2.7MB

    • MD5

      79f47ea1ffef2cbc356aaa87610d9168

    • SHA1

      3dfa9f0128fbcb080f2dd22ccd5917d2d57d06be

    • SHA256

      3d9599c4660790e2a9ec335ff9384efb10443eae67d22925697fd30d48f87414

    • SHA512

      4330bc516693b647da60de7e109d811321e98164362ca495bd0f4402c3f42f7eb1fb265cdae685655b51ef837909c895281587ab4f9af987e9550ab495433cb6

    • SSDEEP

      49152:X3VxHbk7Rv6msAP/RpWY23Y7MrKSmSejpe:Hbr/O/BO+SV

    Score
    10/10
    purecrypterdownloaderloaderremcossolutionrat

    • Detect PureCrypter injector

      loader

    • 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