General

  • Target

    777441225b9d294baca2f689286a1f70a0fc28007e86cf1cc099c71ee1d826f2.exe

  • Size

    777KB

  • Sample

    241211-da5mzasngs

  • MD5

    82ba32e4800897e8bafb32990d29f60a

  • SHA1

    21b724df29b7ddbcd88849e7ad6ab12a4d266c4c

  • SHA256

    777441225b9d294baca2f689286a1f70a0fc28007e86cf1cc099c71ee1d826f2

  • SHA512

    7e741fab4e31223a967c4194f31e4fd592b75dc14dde4c72c3fbd5efb28f312807f886290fa8a227037890375d3ada7597857138f4df4d905b0ae4ca7b906101

  • SSDEEP

    12288:UXqlVfD6qKMwy8kjKsge8jLAMsnI8c78pc+HeV4PRklT3we+doWVkeehown:UXqzrTK5XsgervnIac+Hm4QT31V1hown

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

212.162.149.91:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-HSAM04

  • 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

      777441225b9d294baca2f689286a1f70a0fc28007e86cf1cc099c71ee1d826f2.exe

    • Size

      777KB

    • MD5

      82ba32e4800897e8bafb32990d29f60a

    • SHA1

      21b724df29b7ddbcd88849e7ad6ab12a4d266c4c

    • SHA256

      777441225b9d294baca2f689286a1f70a0fc28007e86cf1cc099c71ee1d826f2

    • SHA512

      7e741fab4e31223a967c4194f31e4fd592b75dc14dde4c72c3fbd5efb28f312807f886290fa8a227037890375d3ada7597857138f4df4d905b0ae4ca7b906101

    • SSDEEP

      12288:UXqlVfD6qKMwy8kjKsge8jLAMsnI8c78pc+HeV4PRklT3we+doWVkeehown:UXqzrTK5XsgervnIac+Hm4QT31V1hown

    • 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 and hide display window.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks