General

  • Target

    76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe

  • Size

    1.0MB

  • Sample

    250207-fpe2za1ndr

  • MD5

    725d50e3d1d33e570efef92c4f72dd1c

  • SHA1

    059a6d565986ab372f99a7e86ea612aad3c6e190

  • SHA256

    76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8

  • SHA512

    1b9ee427dc492b9451ae4530f0e234bcc9002df681351591da14102d9464ca99f07678f8fbf3d82dd8deaccc42d2f318ab1b40256e25098a51ff1484280a3cf9

  • SSDEEP

    24576:JhNsRGf7gedBIuxEi6Vm0oGLyMryTptU242bY96DVjaFF:JXsleXIoA4eLyXt5k6ZjoF

Malware Config

Extracted

Family

remcos

Botnet

MONDAY454

C2

sungito333.ddns.net:5590

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-R5Q1RM

  • 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

      76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe

    • Size

      1.0MB

    • MD5

      725d50e3d1d33e570efef92c4f72dd1c

    • SHA1

      059a6d565986ab372f99a7e86ea612aad3c6e190

    • SHA256

      76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8

    • SHA512

      1b9ee427dc492b9451ae4530f0e234bcc9002df681351591da14102d9464ca99f07678f8fbf3d82dd8deaccc42d2f318ab1b40256e25098a51ff1484280a3cf9

    • SSDEEP

      24576:JhNsRGf7gedBIuxEi6Vm0oGLyMryTptU242bY96DVjaFF:JXsleXIoA4eLyXt5k6ZjoF

    • 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