General

  • Target

    MalwareBazaar.21

  • Size

    1.7MB

  • Sample

    240723-kdt4zawgnc

  • MD5

    658e8867a46096faafb9939ba1faeb1a

  • SHA1

    bfe077b029a1a6d4beeda154fa706f4ff0cfff82

  • SHA256

    589b172cac7eb931e013d04820f31d1e7f6b7d710d1155dbb64ebb6c2fa2826a

  • SHA512

    ead89fa50f5c499e04fccf187257ca634d6168de6a662fa139282e871447a361ca33fd94a96b152a9324af2bc532c9fa2045af945dd0a86a11909aeac770689b

  • SSDEEP

    24576:WR3njD6TaOQ5KJh7WXePuq5LktSbm5ktGn:qjD65Q5Kz7WXJq5Lkt6m/n

Malware Config

Extracted

Family

remcos

Botnet

Dollar Man

C2

178.23.190.118:52499

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-SJ9MVF

  • 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

      MalwareBazaar.21

    • Size

      1.7MB

    • MD5

      658e8867a46096faafb9939ba1faeb1a

    • SHA1

      bfe077b029a1a6d4beeda154fa706f4ff0cfff82

    • SHA256

      589b172cac7eb931e013d04820f31d1e7f6b7d710d1155dbb64ebb6c2fa2826a

    • SHA512

      ead89fa50f5c499e04fccf187257ca634d6168de6a662fa139282e871447a361ca33fd94a96b152a9324af2bc532c9fa2045af945dd0a86a11909aeac770689b

    • SSDEEP

      24576:WR3njD6TaOQ5KJh7WXePuq5LktSbm5ktGn:qjD65Q5Kz7WXJq5Lkt6m/n

    • Remcos

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

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks