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General

  • Target

    DHL Shipped Documents for 3-Shipments 205+19.exe

  • Size

    1.0MB

  • Sample

    240313-mdn9tsah6x

  • MD5

    2fd81801e9d0d8b835a4e48372876bf0

  • SHA1

    ccf727bd273bdc31ce158a46cfd151fc2b9b85d5

  • SHA256

    6a7c6a729d852d01d74832748b6571bafaefcd0bd12aced32e4fa88166af8817

  • SHA512

    70b1d7f26c2636084a6550d9ec3ef9d82a89d8316aa15c7b7877f665e5beb164bfcefb77b06f05865f38bb10e05e64f0c48c038fe4f9792c987ec7acfce09805

  • SSDEEP

    24576:potl6JnbeVcW1/IksIH96lE38GUmdd3ydnCxtQhMfm9dQGQkeE:potAJnbeVcfk3mE+mednsQhMgdLv5

Malware Config

Extracted

Family

remcos

Botnet

MR KAY

C2

192.210.201.57:52499

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

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-GVXREQ

  • 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

      DHL Shipped Documents for 3-Shipments 205+19.exe

    • Size

      1.0MB

    • MD5

      2fd81801e9d0d8b835a4e48372876bf0

    • SHA1

      ccf727bd273bdc31ce158a46cfd151fc2b9b85d5

    • SHA256

      6a7c6a729d852d01d74832748b6571bafaefcd0bd12aced32e4fa88166af8817

    • SHA512

      70b1d7f26c2636084a6550d9ec3ef9d82a89d8316aa15c7b7877f665e5beb164bfcefb77b06f05865f38bb10e05e64f0c48c038fe4f9792c987ec7acfce09805

    • SSDEEP

      24576:potl6JnbeVcW1/IksIH96lE38GUmdd3ydnCxtQhMfm9dQGQkeE:potAJnbeVcfk3mE+mednsQhMgdLv5

    • Remcos

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

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks