General

  • Target

    Payroll for July.exe

  • Size

    1.2MB

  • Sample

    240725-hftvwatfmr

  • MD5

    26d93f785c74da34d7b6d7445dd28ac5

  • SHA1

    f8b30069b21bec53594857e9867b2bd968732e6f

  • SHA256

    7bfc2a2b68cfc17bd29b8df4da1c99c97987804cfcbb46640e9e2ca2bb56863b

  • SHA512

    6fb0d17a738287b479098e49db051bcaedd0ec6784c25537ef4cb55285752cf54ee8c1fe308c3afe82170aa033749eba82c273812beb6693093e3005e212b439

  • SSDEEP

    24576:LjWx3xQdd8fdq8EvCW+RSZhD445cr8VWO5g3EVe:LKVyL8fC+8XD445mY5g3EVe

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:54888

zuesremmy.duckdns.org:54888

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-Z19JY9

  • 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

      Payroll for July.exe

    • Size

      1.2MB

    • MD5

      26d93f785c74da34d7b6d7445dd28ac5

    • SHA1

      f8b30069b21bec53594857e9867b2bd968732e6f

    • SHA256

      7bfc2a2b68cfc17bd29b8df4da1c99c97987804cfcbb46640e9e2ca2bb56863b

    • SHA512

      6fb0d17a738287b479098e49db051bcaedd0ec6784c25537ef4cb55285752cf54ee8c1fe308c3afe82170aa033749eba82c273812beb6693093e3005e212b439

    • SSDEEP

      24576:LjWx3xQdd8fdq8EvCW+RSZhD445cr8VWO5g3EVe:LKVyL8fC+8XD445mY5g3EVe

    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks