General

  • Target

    30e8c292e2ab87def0f57b13d80c8617f2ccc3e3f734a45e784325ce00c14779N.exe

  • Size

    1.1MB

  • Sample

    250120-nvst1sxndn

  • MD5

    f48600d610531b4d3d8632ca13935fa0

  • SHA1

    6aa0c410769fafff4c25a39d596b6527ac851802

  • SHA256

    30e8c292e2ab87def0f57b13d80c8617f2ccc3e3f734a45e784325ce00c14779

  • SHA512

    639c5e4e8d250b01ccde5ebf872caaa66398114417f7298e8916954564d4cfc5e48ade1c96665884390967df6236a2ace1f575272342cb270b313c713f038f07

  • SSDEEP

    24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYk:Xu0c++OCvkGs9Fak4BYk

Malware Config

Extracted

Family

remcos

Version

2.2.0 Pro

Botnet

RemoteHost

C2

185.217.1.142:3337

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    3

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    true

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-VBI2IL

  • 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

      30e8c292e2ab87def0f57b13d80c8617f2ccc3e3f734a45e784325ce00c14779N.exe

    • Size

      1.1MB

    • MD5

      f48600d610531b4d3d8632ca13935fa0

    • SHA1

      6aa0c410769fafff4c25a39d596b6527ac851802

    • SHA256

      30e8c292e2ab87def0f57b13d80c8617f2ccc3e3f734a45e784325ce00c14779

    • SHA512

      639c5e4e8d250b01ccde5ebf872caaa66398114417f7298e8916954564d4cfc5e48ade1c96665884390967df6236a2ace1f575272342cb270b313c713f038f07

    • SSDEEP

      24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYk:Xu0c++OCvkGs9Fak4BYk

    • Modifies WinLogon for persistence

    • Remcos

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

    • Remcos family

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Modifies WinLogon

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks