General

  • Target

    FDD-12164 - Ref. no. FPSD-46945.docx

  • Size

    1.7MB

  • Sample

    230831-gsbpdsda81

  • MD5

    58d7b56383c39df07322fef108a8b0f6

  • SHA1

    5b0731eb50b808a990174d1e38cdf29854d52856

  • SHA256

    f236ecc5c743637f451083feddf683834e3725abffac09a60adb686348b21558

  • SHA512

    ccbc3233ba093471568eae8e6559dff14055a9a427a60355a1159a2f6daf06f8363a8990388e51bc1ec611857ea0ec2079c8800ef5c96529e76a09c6f5dc96df

  • SSDEEP

    49152:pX7vgOtGReTU5wFk2M296HnvYk3oV4fSPyfuy0oh/:R7I6GVH2M1ngqoVry0M/

Malware Config

Extracted

Family

remcos

Botnet

GENERALl

C2

one.dmi.cloudns.ph:2404

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    chromee.exe

  • copy_folder

    chrome

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    dat

  • mouse_option

    false

  • mutex

    Rmcuhjk-ULEWAC

  • 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

      FDD-12164 - Ref. no. FPSD-46945.docx

    • Size

      1.7MB

    • MD5

      58d7b56383c39df07322fef108a8b0f6

    • SHA1

      5b0731eb50b808a990174d1e38cdf29854d52856

    • SHA256

      f236ecc5c743637f451083feddf683834e3725abffac09a60adb686348b21558

    • SHA512

      ccbc3233ba093471568eae8e6559dff14055a9a427a60355a1159a2f6daf06f8363a8990388e51bc1ec611857ea0ec2079c8800ef5c96529e76a09c6f5dc96df

    • SSDEEP

      49152:pX7vgOtGReTU5wFk2M296HnvYk3oV4fSPyfuy0oh/:R7I6GVH2M1ngqoVry0M/

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks