Overview

overview

10

Static

static

00000000.exe

windows7-x64

10

00000000.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target

    00000000.exe

  • Size

    683KB

  • Sample

    230106-mvvsyabd7z

  • MD5

    e19147940ee794d1b48384aa30e32c68

  • SHA1

    496f0c55a2ffe8347b124b734d930846956da9b7

  • SHA256

    369d984c5962e27366924fcba94ea986f093dc9357a09555d1e30893ddc55e73

  • SHA512

    8cec87760a5e5caaae79752ed3eb3b4a3b5dbd4637c137952d2d1d60b08a201622a2cff6be5a3d7b1ebbcf0d684c86ae43685378251466c0e7ebb58383c1e954

  • SSDEEP

    12288:1kODXfjlqFNF4ExMiUNq3/Rdj09/eOr2sw/QBt:OQZqvNmPA3/rSrZB

Score
10/10
remcosworldclasscollectionpersistenceratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

worldclass

C2

91.193.75.188:60005

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    worldclass.exe

  • copy_folder

    worldclass

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-UPD1GY

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    worldclass

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      00000000.exe

    • Size

      683KB

    • MD5

      e19147940ee794d1b48384aa30e32c68

    • SHA1

      496f0c55a2ffe8347b124b734d930846956da9b7

    • SHA256

      369d984c5962e27366924fcba94ea986f093dc9357a09555d1e30893ddc55e73

    • SHA512

      8cec87760a5e5caaae79752ed3eb3b4a3b5dbd4637c137952d2d1d60b08a201622a2cff6be5a3d7b1ebbcf0d684c86ae43685378251466c0e7ebb58383c1e954

    • SSDEEP

      12288:1kODXfjlqFNF4ExMiUNq3/Rdj09/eOr2sw/QBt:OQZqvNmPA3/rSrZB

    Score
    10/10
    remcosworldclasscollectionpersistenceratspywarestealer

    • Remcos

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

      ratremcos

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks