General

  • Target
    12112026_1455_12112026_Scanned025211122026.js.zip
  • Size 1.6MB
  • Sample261112-saqalsge53
  • SHA256 5fbcd3df0c00cd0522af26dc9139465d063b69bd5cee7d3c0eae45bca9f62653
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Botnet
  • RemoteHost

C2
  • kingremcos2026.duckdns.org:2404

  • kingremcos2026.duckdns.org:2065

  • kingremcos2026duckdns.com: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-9Q8RIY

  • 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
      Scanned025211122026.js
    • Size 3.9MB
    • SHA256 e04b1f395133f522f7c9316a06dea43cdd8c65975a31b4789b93cbe7b64c52b6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects DonutLoader

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    • Family: Remcos

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

    • Suricata alert: REMCOS RAT Malware Inbound C2 Communication

      Network activity triggered a Suricata alert

    • Suricata alert: REMCOS RAT Malware Outbound C2 Communication

      Network activity triggered a Suricata alert

    • Checks computer location settings

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

    • 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.

    • Registers new Windows logon scripts automatically executed at logon.

    • Accesses Microsoft Outlook profiles

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Enterprise v16

Tasks