General

  • Target

    Pdf Attached.exe

  • Size

    731KB

  • Sample

    210903-vzaybsgfck

  • MD5

    643c3d9c512e0e53cacb2b1725f83d90

  • SHA1

    6a8ef4cdd29fa41d8d45559aadec3e44a90e792f

  • SHA256

    462062209acc090a567e2bd571acd1d52c19d0d80ee56da256a3c58aaf3b12e9

  • SHA512

    02cf3fc9f6196ed19fde5b223677c6a77cf04b7ce881716fc371a7f7d773d462e5794b39e8054127fd509c010a8887fbd3bc51f30b55990bfb99c4f255a2a8ab

Malware Config

Extracted

Family

remcos

Version

2.7.2 Pro

Botnet

RemoteHost

C2

rem1.camdvr.org:2404

rem16.hopto.org:2404

rem1666.hopto.org:2404

rem16.camdvr.org:2404

remmusic.freeddns.org:2404

sunwap1.ddns.net:2404

rem166.hopto.org:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    hjtfjytfcyhnghncghc-AX8BPK

  • 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

  • take_screenshot_title

    wikipedia;solitaire;

Targets

    • Target

      Pdf Attached.exe

    • Size

      731KB

    • MD5

      643c3d9c512e0e53cacb2b1725f83d90

    • SHA1

      6a8ef4cdd29fa41d8d45559aadec3e44a90e792f

    • SHA256

      462062209acc090a567e2bd571acd1d52c19d0d80ee56da256a3c58aaf3b12e9

    • SHA512

      02cf3fc9f6196ed19fde5b223677c6a77cf04b7ce881716fc371a7f7d773d462e5794b39e8054127fd509c010a8887fbd3bc51f30b55990bfb99c4f255a2a8ab

    • 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.

    • Blocklisted process makes network request

    • Adds Run key to start application

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Tasks