General

  • Target

    18112024_1015_18112024_202411_1801_ckc30w030l01_20241118182920618388pdf.zip

  • Size

    8KB

  • Sample

    241118-maqcqathmf

  • MD5

    7413c51502d0f809198ed64591f6fb3c

  • SHA1

    12175e84f086954563e8f253a50452e222cc4c47

  • SHA256

    ac3e16f92971e0afe666f6ff5cfb7ae9a931f2056567cf0893e0ed1df1ce43ea

  • SHA512

    7abfbe715dd4a3f1b13fe79c919a0a44762a3f4f6d32edf4dae04ade813aef2af2728a643a93ea4fa2e317e7823df444b5cb5adf4fa25e6257950c2abd52f0b8

  • SSDEEP

    192:c1+n70VsT39GX1ymq8qfCtW/gHjret7VKgtT8QCwAuR7:cRsLkX1ymqDVgno7VKq8QCwT7

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

jwdtcx3kfb.duckdns.org:47392

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

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-JY1QRO

  • 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

      202411_1801_ckc30w030l01_20241118182920618388·pdf.vbs

    • Size

      16KB

    • MD5

      e6c723d6a40150466aa011158c68e591

    • SHA1

      f18348ee740329c6cb706123b34151dde9197b50

    • SHA256

      969d4f51528c1a62de42fd8dfc0efaf09b1857426add53376a3e2db14456a173

    • SHA512

      c9c85c17c329267d8dbed3441baa63c85cbd0abbad858dfd86632de8cd97b461d8f36c4b4fbd126712cd2664ba1e6bd2eece30fb090b9ff462ac4c052b204256

    • SSDEEP

      384:X+7h2tykhjtUXkNaaYtydrEVql1UnqCrP0z9CW6fz83W4u8b:GUtbto31+rOqcnqCrMZuA3nb

    • Remcos

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

    • Remcos family

    • UAC bypass

    • 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

    • Blocklisted process makes network request

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks