General

  • Target

    DMF12-DRAWING-SPECIFICATION.exe

  • Size

    1.1MB

  • Sample

    241113-nkevea1eqj

  • MD5

    e244fd43d06ea0f234c71fff8e3f711f

  • SHA1

    a913b51d74327b5fdafa2818acdf72636c3ca20a

  • SHA256

    bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747

  • SHA512

    6af4afb9dbee48c7d6839d445d25abf3816ead782b0514f7e882a2a1d4e4b732b69bd953ef7b88574a3534d331bc0ce06e88d56ebde2988c8e2702cef2fcf823

  • SSDEEP

    24576:uRmJkcoQricOIQxiZY1iaCV/uvPPJUTxDZS4NO7j4MUuvWu:7JZoQrbTFZY1iaCV/uPJoxk4NOIS

Malware Config

Extracted

Family

remcos

Botnet

NOV 12

C2

leehoi01.ddns.net:9373

103.187.117.76:5584

154.216.18.171:5584

154.216.20.223:5584

leehoi02.ddns.net:9373

areabill.duckdns.org:9373

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-KA6I08

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      DMF12-DRAWING-SPECIFICATION.exe

    • Size

      1.1MB

    • MD5

      e244fd43d06ea0f234c71fff8e3f711f

    • SHA1

      a913b51d74327b5fdafa2818acdf72636c3ca20a

    • SHA256

      bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747

    • SHA512

      6af4afb9dbee48c7d6839d445d25abf3816ead782b0514f7e882a2a1d4e4b732b69bd953ef7b88574a3534d331bc0ce06e88d56ebde2988c8e2702cef2fcf823

    • SSDEEP

      24576:uRmJkcoQricOIQxiZY1iaCV/uvPPJUTxDZS4NO7j4MUuvWu:7JZoQrbTFZY1iaCV/uPJoxk4NOIS

    • Remcos

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

    • Remcos family

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks