General

  • Target

    3a923e1c1267143a53bbf3e0242069f8c3b5084a8eea62312c56b1baa6300a71

  • Size

    877KB

  • Sample

    250403-crn6wazmy4

  • MD5

    a91aafd90356be290f2fd36f7833ca8b

  • SHA1

    f43e68ee6bd4b5d4604f6dcadccf879b95f6bb21

  • SHA256

    3a923e1c1267143a53bbf3e0242069f8c3b5084a8eea62312c56b1baa6300a71

  • SHA512

    c6b485aa102cfdc67f1ef2dbd6adb60b470f65884d40d0f9e143d539e4e80b8ead2884b9f30185b44ae445f94b515d1085e8b3bf55cfa00d0a3ad2dff8c79af1

  • SSDEEP

    24576:x6/xBa66oRAcReyvG8tQParwlgDOMj5dMMdi4:QraOts38trwlIOG24

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:45111

196.251.92.84:45111

ikechi2.duckdns.org:45111

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-ZKI7L3

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      PO250410-002.exe

    • Size

      1.3MB

    • MD5

      c9d6a278ac02155c66b6cf5b1fbb1b30

    • SHA1

      05f655a5bbba910caea1062b9e0cd54da218a25f

    • SHA256

      cd5ef4c1b4c9e2b17ce5c39cf35eec1de1d42dc384b2fde7e2b122459579906b

    • SHA512

      e74d6a943dc3f695b65231ff4ede46a1749abf25636e3792901c45ce70de15140542bd196460b9a9f30ddf63ec8d69765b335f4781fb76460c9ac9087e05e116

    • SSDEEP

      24576:au6J33O0c+JY5UZ+XC0kGso6FaKR3Wyr88XQPaZWlW388F5d+USqWY:su0c++OCvkGs9Fa+Wz8XZWlO8+kY

    • Remcos

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

    • Remcos family

    • 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

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks