General

  • Target

    91dfb05a7e9d053e7c3daf88272ef210_NeikiAnalytics.exe

  • Size

    1.4MB

  • Sample

    240526-nk7keshd77

  • MD5

    91dfb05a7e9d053e7c3daf88272ef210

  • SHA1

    357cd16427813386fa9445dbb975fa063bb2c5eb

  • SHA256

    313d97076ae0098c1a69a7682dba8c52ba51ef07d8ac380dbfe713990fe3faad

  • SHA512

    a161157a80074681aa0a8226afcd6f4815fe08cb043bf2e5853806c46dbe4f3843218b5ca23104343b987ec134866566edc01f8629c35314f51c60406808d75b

  • SSDEEP

    24576:xD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjod:xp7E+QrFUBgq2E

Malware Config

Extracted

Family

remcos

Botnet

Host

C2

213.183.58.19:4000

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    read.dat

  • keylog_flag

    false

  • keylog_folder

    CastC

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_sccafsoidz

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

213.183.58.19:4000

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    read.dat

  • keylog_flag

    false

  • keylog_folder

    CastC

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_sccafsoidz

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      91dfb05a7e9d053e7c3daf88272ef210_NeikiAnalytics.exe

    • Size

      1.4MB

    • MD5

      91dfb05a7e9d053e7c3daf88272ef210

    • SHA1

      357cd16427813386fa9445dbb975fa063bb2c5eb

    • SHA256

      313d97076ae0098c1a69a7682dba8c52ba51ef07d8ac380dbfe713990fe3faad

    • SHA512

      a161157a80074681aa0a8226afcd6f4815fe08cb043bf2e5853806c46dbe4f3843218b5ca23104343b987ec134866566edc01f8629c35314f51c60406808d75b

    • SSDEEP

      24576:xD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjod:xp7E+QrFUBgq2E

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks