General

  • Target

    17257307446d2d2990dfa7f8d43acc2caad03e86776087a4660c3bfc636a9c02b09252085d196.dat-decoded.exe

  • Size

    482KB

  • Sample

    240907-v8vn4awbqp

  • MD5

    ccab8be1b5d0ec4ede3ecb02a9551180

  • SHA1

    f170b1ad7d2aaee7d81c820d5a9d20877b7cca9c

  • SHA256

    49630168d264eaf442a51ac629b22598afb6d9e127a7c2313f5fa13be41c95dc

  • SHA512

    c2861c1cd105a8682926671beb0b622ca8c536e6c94f96876c96aecd794aabaa15c01fedb3e66210246d15096836e2f1cecf878a336fa8029c9ac07c39f508e4

  • SSDEEP

    6144:bTz+c6KHYBhDc1RGJdv//NkUn+N5Bkf/0TELRvIZPjbsAOZZmAX4cr2T4:bTlrYw1RUh3NFn+N5WfIQIjbs/Zm5T4

Malware Config

Extracted

Family

remcos

Botnet

ezeife

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-CDP1EM

  • 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

      17257307446d2d2990dfa7f8d43acc2caad03e86776087a4660c3bfc636a9c02b09252085d196.dat-decoded.exe

    • Size

      482KB

    • MD5

      ccab8be1b5d0ec4ede3ecb02a9551180

    • SHA1

      f170b1ad7d2aaee7d81c820d5a9d20877b7cca9c

    • SHA256

      49630168d264eaf442a51ac629b22598afb6d9e127a7c2313f5fa13be41c95dc

    • SHA512

      c2861c1cd105a8682926671beb0b622ca8c536e6c94f96876c96aecd794aabaa15c01fedb3e66210246d15096836e2f1cecf878a336fa8029c9ac07c39f508e4

    • SSDEEP

      6144:bTz+c6KHYBhDc1RGJdv//NkUn+N5Bkf/0TELRvIZPjbsAOZZmAX4cr2T4:bTlrYw1RUh3NFn+N5WfIQIjbs/Zm5T4

    • 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

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks