General

  • Target

    Confirmation Order.tar.gz.exe.tar

  • Size

    900KB

  • Sample

    240925-qt4w1axhmj

  • MD5

    22257d69d8354585b66899f64c0c0499

  • SHA1

    b9b8b93581d4ff58314560043e1a0f77f6b016e1

  • SHA256

    206b328955094948dde0163fc226ac292906788fb4e9d8b941963383bd4a84fd

  • SHA512

    9f63289f8a8643220a951c65e8ccd43bef2a26cace706a2be76615f3e523d73753feaf3cb68245df486da9be6c1b30900b838bdea955715301cf9407609d1580

  • SSDEEP

    12288:2Eqv8RratEshTEMAiqoWpVvfS4D36FUOJT02id9IV/SxjTWAY+acgp8bQbQk:E8OZTEMAifWTvfuL42id94cgGIQ

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:59321

nnamoo.duckdns.org:59321

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-41EVS0

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Confirmation Order.exe

    • Size

      892KB

    • MD5

      3b13b07b05ea3f2084ee3c38080fffe3

    • SHA1

      dde112544004281ad7d02b36c607bc4a258f22a6

    • SHA256

      b93408af1dfa127e3b11d16cd92dab65f448d77fa933259c139bb0f0e6d33a75

    • SHA512

      c09987d78d52fc94bc991b40380b6f5752f1b15139850d24ed93e9ea8ce74add4b4b477493fb8c0a6980de9e14fb511123e2571622c3c5a46f4402f09d037fe0

    • SSDEEP

      12288:5Eqv8RratEshTEMAiqoWpVvfS4D36FUOJT02id9IV/SxjTWAY+acgp8bQbQk:J8OZTEMAifWTvfuL42id94cgGIQ

    • Remcos

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks