User tags

Assigned on submission by the user, not by sandbox detections.

Threatview.io Proactive Hunter

General

  • Target

    rem.exe.1

  • Size

    483KB

  • Sample

    240528-bbcx8sge8x

  • MD5

    06f5b8dffc6c138828adbc7f29cfc7f0

  • SHA1

    b59ef5d613a1e49c7034c3ee05780ce054ca0054

  • SHA256

    03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7

  • SHA512

    e706a0b3b1981cac8ddcf81482b306b4538fbfbf5c332f2b484f8c503b66d73cd09ffaab0515ecb2063d1e4a27dc30a662cc0be4f5287d2982cfbb47c7dad893

  • SSDEEP

    6144:aXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZDAXYcNx5Gv:aX7tPMK8ctGe4Dzl4h2QnuPs/ZDIcv

Malware Config

Extracted

Family

remcos

Botnet

Remote

C2

leetboy.dynuddns.net:1998

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    svcs.exe

  • copy_folder

    microsofts

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    logsa

  • mouse_option

    false

  • mutex

    Rmc-3XK1S0

  • 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

      rem.exe.1

    • Size

      483KB

    • MD5

      06f5b8dffc6c138828adbc7f29cfc7f0

    • SHA1

      b59ef5d613a1e49c7034c3ee05780ce054ca0054

    • SHA256

      03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7

    • SHA512

      e706a0b3b1981cac8ddcf81482b306b4538fbfbf5c332f2b484f8c503b66d73cd09ffaab0515ecb2063d1e4a27dc30a662cc0be4f5287d2982cfbb47c7dad893

    • SSDEEP

      6144:aXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZDAXYcNx5Gv:aX7tPMK8ctGe4Dzl4h2QnuPs/ZDIcv

    • Remcos

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks