General

  • Target

    c51c0afd1207879df1f42ac10c7c0bca5397c6b461a6423dbe58b091dc659e6d.vbs

  • Size

    28KB

  • Sample

    241022-cdtt7ssdjn

  • MD5

    a8da570deac5f16a0050802c0da5d7dd

  • SHA1

    9d8992e3770e41d8a431350e1cef73492dc240ea

  • SHA256

    c51c0afd1207879df1f42ac10c7c0bca5397c6b461a6423dbe58b091dc659e6d

  • SHA512

    7731d4d019eb8e3cfa5e2e5d5802e4033cf289134c15c3a237bcfd7559ab964265b82b825b65451a21703f441619081b9be46767923fb7f662aa12a86e997730

  • SSDEEP

    384:XrCiU16HKM4O+pbHLipRBP1Mv4Uwz+3S0KLV5Zsk+PNngq:Xen6HspbH2xdoftaV5Ck4N7

Malware Config

Extracted

Family

remcos

Botnet

MISS Chy

C2

pelele.duckdns.org:51525

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-TXCR8B

  • 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

      c51c0afd1207879df1f42ac10c7c0bca5397c6b461a6423dbe58b091dc659e6d.vbs

    • Size

      28KB

    • MD5

      a8da570deac5f16a0050802c0da5d7dd

    • SHA1

      9d8992e3770e41d8a431350e1cef73492dc240ea

    • SHA256

      c51c0afd1207879df1f42ac10c7c0bca5397c6b461a6423dbe58b091dc659e6d

    • SHA512

      7731d4d019eb8e3cfa5e2e5d5802e4033cf289134c15c3a237bcfd7559ab964265b82b825b65451a21703f441619081b9be46767923fb7f662aa12a86e997730

    • SSDEEP

      384:XrCiU16HKM4O+pbHLipRBP1Mv4Uwz+3S0KLV5Zsk+PNngq:Xen6HspbH2xdoftaV5Ck4N7

    • 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.

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks