General

  • Target

    3b97b5da457f961783873c0c1f09924e4e1b16931811a9118a6185290103b918.exe

  • Size

    1.1MB

  • Sample

    240814-k8n67sygjp

  • MD5

    cb51d861a22f76d51151f7012543c356

  • SHA1

    e9fb05f464ee886239db485e7ee764a036778f77

  • SHA256

    3b97b5da457f961783873c0c1f09924e4e1b16931811a9118a6185290103b918

  • SHA512

    5a4d7288c1b3a943e97ea754e5a741b90d822b8beb5e496cdc3dbd5c9107597ecc1b60aaaa296774c77832a6967b2bd0b2e14d48e3f64a368397c1dfd31898ee

  • SSDEEP

    24576:nPYmu2QnZI/uOnFFhCaMfXa1QhNBQVjTRUKrkeS+2rbFeL:9QUCJasNBQVRTHm/c

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

45.95.169.139:2403

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-51282S

  • 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

      3b97b5da457f961783873c0c1f09924e4e1b16931811a9118a6185290103b918.exe

    • Size

      1.1MB

    • MD5

      cb51d861a22f76d51151f7012543c356

    • SHA1

      e9fb05f464ee886239db485e7ee764a036778f77

    • SHA256

      3b97b5da457f961783873c0c1f09924e4e1b16931811a9118a6185290103b918

    • SHA512

      5a4d7288c1b3a943e97ea754e5a741b90d822b8beb5e496cdc3dbd5c9107597ecc1b60aaaa296774c77832a6967b2bd0b2e14d48e3f64a368397c1dfd31898ee

    • SSDEEP

      24576:nPYmu2QnZI/uOnFFhCaMfXa1QhNBQVjTRUKrkeS+2rbFeL:9QUCJasNBQVRTHm/c

    • Remcos

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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

    • Adds Run key to start application

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks