General

  • Target

    68320a706dc4655035ad76142783a4d4a3724e0bd79262dac29cced5bbc0f077.exe

  • Size

    483KB

  • Sample

    240521-bn8knsde36

  • MD5

    2decc2e45682d4d0ebb556e18bc519d2

  • SHA1

    0f20f266f2628a69f95f43de8ea273448cebacfe

  • SHA256

    68320a706dc4655035ad76142783a4d4a3724e0bd79262dac29cced5bbc0f077

  • SHA512

    ad9e80878e353a74c25a8cb91464f6b41b79bb8b26f0cb6dd99e82fc82deea3655f28a86c39c2d9b7590086883fd5229eb48062a12ae3328ffb552e79a189691

  • SSDEEP

    6144:6XIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZDAXYcNS5Gv:6X7tPMK8ctGe4Dzl4h2QnuPs/ZDbcv

Malware Config

Extracted

Family

remcos

Botnet

New

C2

manxzas12.duckdns.org:14645

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-H8QJD6

  • 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

      68320a706dc4655035ad76142783a4d4a3724e0bd79262dac29cced5bbc0f077.exe

    • Size

      483KB

    • MD5

      2decc2e45682d4d0ebb556e18bc519d2

    • SHA1

      0f20f266f2628a69f95f43de8ea273448cebacfe

    • SHA256

      68320a706dc4655035ad76142783a4d4a3724e0bd79262dac29cced5bbc0f077

    • SHA512

      ad9e80878e353a74c25a8cb91464f6b41b79bb8b26f0cb6dd99e82fc82deea3655f28a86c39c2d9b7590086883fd5229eb48062a12ae3328ffb552e79a189691

    • SSDEEP

      6144:6XIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZDAXYcNS5Gv:6X7tPMK8ctGe4Dzl4h2QnuPs/ZDbcv

    • 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 Matrix ATT&CK v13

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks