General

  • Target

    Purchase_Order_11073530.pdf.html

  • Size

    1.2MB

  • Sample

    240417-ha1q8she6w

  • MD5

    713a11c7c48de78720464658b4886df5

  • SHA1

    7ecdc91c4c4a575fd32dbf18a9151beb7cb74778

  • SHA256

    904fe8dc88503abd6da4f6c6a5286a59b28519cd8b92ecc89068e7d06a712a1a

  • SHA512

    08db144d1703eb9ad84b7f71b9237fef4084cd12ce51495007ea8cf9be0cdf8c702d5b2966e6f0e345d1d469e3f155496ad6086bef8c92b83157cc332d7c094d

  • SSDEEP

    24576:iX/y58tPdFM3u+xlY9UPoz+U8i4D8Kt4UnS7/s8RuyK:wp5eUKt9n8k

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

nessn.duckdns.org:1984

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

    nnws

  • mouse_option

    false

  • mutex

    Rmc-D1LYYC

  • 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

      Purchase_Order_11073530.pdf.html

    • Size

      1.2MB

    • MD5

      713a11c7c48de78720464658b4886df5

    • SHA1

      7ecdc91c4c4a575fd32dbf18a9151beb7cb74778

    • SHA256

      904fe8dc88503abd6da4f6c6a5286a59b28519cd8b92ecc89068e7d06a712a1a

    • SHA512

      08db144d1703eb9ad84b7f71b9237fef4084cd12ce51495007ea8cf9be0cdf8c702d5b2966e6f0e345d1d469e3f155496ad6086bef8c92b83157cc332d7c094d

    • SSDEEP

      24576:iX/y58tPdFM3u+xlY9UPoz+U8i4D8Kt4UnS7/s8RuyK:wp5eUKt9n8k

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Remcos

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

    • ModiLoader Second Stage

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks