General

  • Target

    8c6670300401e984a577829661de4bf0N.exe

  • Size

    2.2MB

  • Sample

    240909-cvk9dsxbjr

  • MD5

    8c6670300401e984a577829661de4bf0

  • SHA1

    e0968c1ae920c0f635feb1f0db87bedfb81ee00b

  • SHA256

    6a1679c6375dbd6c4b959611fb54e894384a765d6b257a5e82e8fbde1c21e57a

  • SHA512

    0dda160e72268f20fcb2007f195bceca90b0620de11a309abb2e4cccfd5d02fab396e7e79f3a19f3591111daaee040e9c6a66a7bfc0848e8af66d039d0c5f22a

  • SSDEEP

    24576:tD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF49rOoBlI:tp7E+QrFUBgq2f3I

Malware Config

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

      8c6670300401e984a577829661de4bf0N.exe

    • Size

      2.2MB

    • MD5

      8c6670300401e984a577829661de4bf0

    • SHA1

      e0968c1ae920c0f635feb1f0db87bedfb81ee00b

    • SHA256

      6a1679c6375dbd6c4b959611fb54e894384a765d6b257a5e82e8fbde1c21e57a

    • SHA512

      0dda160e72268f20fcb2007f195bceca90b0620de11a309abb2e4cccfd5d02fab396e7e79f3a19f3591111daaee040e9c6a66a7bfc0848e8af66d039d0c5f22a

    • SSDEEP

      24576:tD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF49rOoBlI:tp7E+QrFUBgq2f3I

    • Remcos

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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