General

  • Target

    adae16c4fe643a3093a6e2ac5329616ccc62d71725f208203869d90f08b3c6d1.vbs

  • Size

    82KB

  • Sample

    241001-qb8r8svdjf

  • MD5

    a1aeb49d80b16158b4b88efef30be753

  • SHA1

    a7829f01f6a679b9016c1b192431a317827045b1

  • SHA256

    adae16c4fe643a3093a6e2ac5329616ccc62d71725f208203869d90f08b3c6d1

  • SHA512

    a15fcfb783b0c8225478f3015a704370f794a59a827e48d32bf537ca27a8cb2a30922278b65475b52f3f0990a5c6d38fca281cf3b3ac44eef92bea1d0811f5a3

  • SSDEEP

    1536:s+aCJtE0IliA2cngEAwsi0+lyOFY+UoArilnO7Mu5FYLf:s+aCrpADnWklyOZUoJlnsQLf

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

a458386d9.duckdns.org:3256

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-WDQFG0

  • 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

      adae16c4fe643a3093a6e2ac5329616ccc62d71725f208203869d90f08b3c6d1.vbs

    • Size

      82KB

    • MD5

      a1aeb49d80b16158b4b88efef30be753

    • SHA1

      a7829f01f6a679b9016c1b192431a317827045b1

    • SHA256

      adae16c4fe643a3093a6e2ac5329616ccc62d71725f208203869d90f08b3c6d1

    • SHA512

      a15fcfb783b0c8225478f3015a704370f794a59a827e48d32bf537ca27a8cb2a30922278b65475b52f3f0990a5c6d38fca281cf3b3ac44eef92bea1d0811f5a3

    • SSDEEP

      1536:s+aCJtE0IliA2cngEAwsi0+lyOFY+UoArilnO7Mu5FYLf:s+aCrpADnWklyOZUoJlnsQLf

    • Remcos

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

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks