General

  • Target

    Solicitați comanda p78460.vbs

  • Size

    14KB

  • Sample

    241104-sk7mmssdjn

  • MD5

    c80bf6e7394bfdb6d31aef11b1e31b68

  • SHA1

    88b6b74da0a06427ec9e502378ea374cfdd0afea

  • SHA256

    36b44229a81fa005512ea72195083c77844fbd5339c7afb9eaea4505774c1753

  • SHA512

    0df5a54efc36aedae60888c7c241da206e9755db164a18e4bdd969bbd0b4b88b1b8474d6749ceba540d75c0b189964db3ff4989f6acf4f397b7a4642a52a92cf

  • SSDEEP

    192:4FbstrlpW7xBpgpnvxLPj8xNbBzLS+cr7rSF9rqQRiHu2lXU8sIOmfSZzx+Xn:SbO6pgpnvlk578WF9rfGSvn5kXn

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

6dp5nq4du.duckdns.org:2852

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-M09H81

  • 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

      Solicitați comanda p78460.vbs

    • Size

      14KB

    • MD5

      c80bf6e7394bfdb6d31aef11b1e31b68

    • SHA1

      88b6b74da0a06427ec9e502378ea374cfdd0afea

    • SHA256

      36b44229a81fa005512ea72195083c77844fbd5339c7afb9eaea4505774c1753

    • SHA512

      0df5a54efc36aedae60888c7c241da206e9755db164a18e4bdd969bbd0b4b88b1b8474d6749ceba540d75c0b189964db3ff4989f6acf4f397b7a4642a52a92cf

    • SSDEEP

      192:4FbstrlpW7xBpgpnvxLPj8xNbBzLS+cr7rSF9rqQRiHu2lXU8sIOmfSZzx+Xn:SbO6pgpnvlk578WF9rfGSvn5kXn

    • Remcos

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

    • Remcos family

    • UAC bypass

    • 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

    • Blocklisted process makes network request

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Accesses Microsoft Outlook accounts

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks