General

  • Target

    12092024_0805_11092024_French Group.7z

  • Size

    1KB

  • Sample

    240912-jyyr8ayfrp

  • MD5

    4aa895be8286354f36d5392ac16f1c53

  • SHA1

    c7be27eba8321bc52f142401d578a8c73072f9be

  • SHA256

    198c47783c1a02696c262a7dfadf32c61cf355645364d0b7a123cee5069d0bcb

  • SHA512

    f03591c48b59f59ab2081d3b8f6763dfa5e3bde91290746fdc3713e2a25a3a5dd5b92f27a23bd18e13fb3289c6ee9b45f74667de7d841cf5aa346024555dcfa4

Malware Config

Extracted

Family

remcos

Botnet

NGWU

C2

closen.kozow.com:2404

Attributes
  • audio_folder

    MicRecords

  • 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-RPTPW3

  • 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

      French Group.js

    • Size

      6KB

    • MD5

      71cd7220e91d8c3d271876af2af2aaad

    • SHA1

      6bd5624079271676ab36f3a28ea227ed8f6b8117

    • SHA256

      7d894786f3d675adfdebe8f6b17bf3f580e55276a2b1239b7e46412350f7ca4d

    • SHA512

      dfb89b71d3e3a23cc7b977ae375e4513b8001d62759dcafb62d267f5ad764061c9bb873539b3750f257674583e5b9e0294be5a5a7eace61e1bf60f203345327f

    • SSDEEP

      96:X2mMYzgttgVfDQFJKV0Zs/vU2y35HkHPVHKTonl7ie:hifwUt3u7j

    • Remcos

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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

    • Checks computer location settings

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

    • Drops startup file

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook accounts

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks