General

  • Target

    SecuriteInfo.com.W32.MSIL_Kryptik.KQK.gen.Eldorado.16672.23413.exe

  • Size

    1.1MB

  • Sample

    241028-v9aejsvcnp

  • MD5

    03a6863e7931768c020f1a98531e5212

  • SHA1

    7fbf21510ba0927b16f9de491e6dace95a35c228

  • SHA256

    96e41c2d613926361afebfc693537919269ae11f3ff721eb4f60bf823258e154

  • SHA512

    1c38fa9dc160a2b629a875eedf406af168f38380ac53824dd1203c74c1426417c104583858349fc5940f104a1233c33ee8b31a1e9c72f922912b72f55e842980

  • SSDEEP

    24576:n2oNUrTTPrtbxvKQt0Zs1bKW2sFTkYFltyi8sxg5SSnvmMKBHJ/G8eZuhnYx:2oN+Tztbt6s1bV1FT5FjTbx4bnvFKjeX

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

bubemoney7221.duckdns.org: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

    dfgh

  • mouse_option

    false

  • mutex

    Rmc-7XAUXH

  • 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

      SecuriteInfo.com.W32.MSIL_Kryptik.KQK.gen.Eldorado.16672.23413.exe

    • Size

      1.1MB

    • MD5

      03a6863e7931768c020f1a98531e5212

    • SHA1

      7fbf21510ba0927b16f9de491e6dace95a35c228

    • SHA256

      96e41c2d613926361afebfc693537919269ae11f3ff721eb4f60bf823258e154

    • SHA512

      1c38fa9dc160a2b629a875eedf406af168f38380ac53824dd1203c74c1426417c104583858349fc5940f104a1233c33ee8b31a1e9c72f922912b72f55e842980

    • SSDEEP

      24576:n2oNUrTTPrtbxvKQt0Zs1bKW2sFTkYFltyi8sxg5SSnvmMKBHJ/G8eZuhnYx:2oN+Tztbt6s1bV1FT5FjTbx4bnvFKjeX

    • Remcos

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

    • Remcos family

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks