General

  • Target

    French Group.js

  • Size

    4KB

  • Sample

    240827-sngkmaxbkg

  • MD5

    56bdbf580941be5c424677f025e64ef8

  • SHA1

    142cfff5a780050431ecd27a930fbd70327bd8a9

  • SHA256

    7e995560fbecebf105c2ad7a18f8c8a698dcf8847c870ec3bdc3d05d57d2c419

  • SHA512

    459636ce0e1e3c4bd548e31066f48c28392d09fedaac605a28304f8cee27cdb7e3cb294a6c48b478e0f999987e49045f9641a29397079aa113d6011f3ae5037e

  • SSDEEP

    96:wZRbgapsrcRX1N676AeyCRVMYOPwBzVTuBESjzLOUvm2EHf6Tp:QgapsrcRlNo6AeyUMYOszVTuBdjzLOUv

Malware Config

Extracted

Family

remcos

Botnet

IDEMILI

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-O4UMCG

  • 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

      4KB

    • MD5

      56bdbf580941be5c424677f025e64ef8

    • SHA1

      142cfff5a780050431ecd27a930fbd70327bd8a9

    • SHA256

      7e995560fbecebf105c2ad7a18f8c8a698dcf8847c870ec3bdc3d05d57d2c419

    • SHA512

      459636ce0e1e3c4bd548e31066f48c28392d09fedaac605a28304f8cee27cdb7e3cb294a6c48b478e0f999987e49045f9641a29397079aa113d6011f3ae5037e

    • SSDEEP

      96:wZRbgapsrcRX1N676AeyCRVMYOPwBzVTuBESjzLOUvm2EHf6Tp:QgapsrcRlNo6AeyUMYOszVTuBdjzLOUv

    • 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.

    • 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