General

  • Target

    baa6226c607e95aea711219a6f7e354a6cc9bf554007c0f913cf16a2baab69c5.exe

  • Size

    483KB

  • Sample

    240523-cdnyyshg72

  • MD5

    5443e2face544518d977a82fb326e827

  • SHA1

    1546d14f4a8d70bccd7e114eaf03c970c1bd4eb0

  • SHA256

    baa6226c607e95aea711219a6f7e354a6cc9bf554007c0f913cf16a2baab69c5

  • SHA512

    1c8b50e6423192ae537d7647dcaf65b187c6ebeb3a879d4941c28a9e1efa9db8cfe8fc893d03abe657130dc3f54bceba18fa58351cad6c04b58b29fbce4d88e5

  • SSDEEP

    6144:+XIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZDAXYcNt5Gv:+X7tPMK8ctGe4Dzl4h2QnuPs/ZDkcv

Malware Config

Extracted

Family

remcos

Botnet

Fresh

C2

manxzas12.duckdns.org:14646

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-21CR3E

  • 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

      baa6226c607e95aea711219a6f7e354a6cc9bf554007c0f913cf16a2baab69c5.exe

    • Size

      483KB

    • MD5

      5443e2face544518d977a82fb326e827

    • SHA1

      1546d14f4a8d70bccd7e114eaf03c970c1bd4eb0

    • SHA256

      baa6226c607e95aea711219a6f7e354a6cc9bf554007c0f913cf16a2baab69c5

    • SHA512

      1c8b50e6423192ae537d7647dcaf65b187c6ebeb3a879d4941c28a9e1efa9db8cfe8fc893d03abe657130dc3f54bceba18fa58351cad6c04b58b29fbce4d88e5

    • SSDEEP

      6144:+XIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZDAXYcNt5Gv:+X7tPMK8ctGe4Dzl4h2QnuPs/ZDkcv

    • Remcos

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

    • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Detects executables built or packed with MPress PE compressor

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • 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