General

  • Target

    171104221475a7d0d19372bf3a71e1aeb30f7e2c384e09d1a3c0bc6502e4fd6092ce5a8492303.dat-decoded

  • Size

    483KB

  • Sample

    240321-v3pkwsdc87

  • MD5

    b2051458b90bd123d75ff11f68075040

  • SHA1

    c92310ac13276b1210e2ceebfb41ec18ec218cfc

  • SHA256

    0d4308b6f8485ce220fd28ec288d35f51b4c4ffe7e5686f9c1bfcdb597abfdb3

  • SHA512

    4a273fe42bfa7e9362292dd9981d2b122e1248cde27d1214f28e1b1b0efb4ea6a85cfc4c8d09e757edf70876d3bd188ec5764a967d42b62aed7430e82c3f94f9

  • SSDEEP

    6144:gXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZsAX4cNc5Gv:gX7tPMK8ctGe4Dzl4h2QnuPs/Zs9cv

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

107.172.31.178:2404

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-NVSJ5U

  • 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

      171104221475a7d0d19372bf3a71e1aeb30f7e2c384e09d1a3c0bc6502e4fd6092ce5a8492303.dat-decoded

    • Size

      483KB

    • MD5

      b2051458b90bd123d75ff11f68075040

    • SHA1

      c92310ac13276b1210e2ceebfb41ec18ec218cfc

    • SHA256

      0d4308b6f8485ce220fd28ec288d35f51b4c4ffe7e5686f9c1bfcdb597abfdb3

    • SHA512

      4a273fe42bfa7e9362292dd9981d2b122e1248cde27d1214f28e1b1b0efb4ea6a85cfc4c8d09e757edf70876d3bd188ec5764a967d42b62aed7430e82c3f94f9

    • SSDEEP

      6144:gXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZsAX4cNc5Gv:gX7tPMK8ctGe4Dzl4h2QnuPs/Zs9cv

    • 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