General

  • Target

    MalwareBazaar.5

  • Size

    483KB

  • Sample

    240729-rek11swbrf

  • MD5

    437b017eb2cc7db4677091a38116e7bb

  • SHA1

    89a591bf2d059390a3efc0682cdcef609a4f52ac

  • SHA256

    7f1c8e9959fdc113e0c01ef42588a6df6d4fe75c0edb632179fe0ec3bff84136

  • SHA512

    2ab785f5c18ce9b1d906d39dc13a6be589aa483f59c9601e3bac55f564890cbe801484c1333426c0764a6e6e5a00968831359484fa072fc29fedc05ceb92d5d4

  • SSDEEP

    6144:QXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZoAX0cNZ5Gv:QX7tPMK8ctGe4Dzl4h2QnuPs/Zo8cv

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

wemberdag.duckdns.org:31388

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

    logs

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Rmc-LBUX79

  • 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

      MalwareBazaar.5

    • Size

      483KB

    • MD5

      437b017eb2cc7db4677091a38116e7bb

    • SHA1

      89a591bf2d059390a3efc0682cdcef609a4f52ac

    • SHA256

      7f1c8e9959fdc113e0c01ef42588a6df6d4fe75c0edb632179fe0ec3bff84136

    • SHA512

      2ab785f5c18ce9b1d906d39dc13a6be589aa483f59c9601e3bac55f564890cbe801484c1333426c0764a6e6e5a00968831359484fa072fc29fedc05ceb92d5d4

    • SSDEEP

      6144:QXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZoAX0cNZ5Gv:QX7tPMK8ctGe4Dzl4h2QnuPs/Zo8cv

    • 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