General

  • Target

    TS-240319-UF3.exe

  • Size

    899KB

  • Sample

    240319-sp5c3sfb74

  • MD5

    a9aa529393ea3da12356286b4fb1b5f0

  • SHA1

    1effa2a6a85a77290d9981b7d90916960a440b56

  • SHA256

    b57787dd269633555ab9192e532a3f52cbfe6c6ce55bd84c2565e8597de164a4

  • SHA512

    d013c0f91ddd225c01efdb06098c92c4adf788f377c4e21d3d705db068adcb86edf34abc9d5b05505ab69c008c39b021c09e8f6fd3f0ef50a3ec34b4ae0e5654

  • SSDEEP

    24576:aOjHdj0AM1skyrTSM92adO1NBca/juSFD0GW0R:aOJP7kyr2M9E1ncQu+D0GWy

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

64.188.22.11:2404

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-10FYXY

  • 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

      TS-240319-UF3.exe

    • Size

      899KB

    • MD5

      a9aa529393ea3da12356286b4fb1b5f0

    • SHA1

      1effa2a6a85a77290d9981b7d90916960a440b56

    • SHA256

      b57787dd269633555ab9192e532a3f52cbfe6c6ce55bd84c2565e8597de164a4

    • SHA512

      d013c0f91ddd225c01efdb06098c92c4adf788f377c4e21d3d705db068adcb86edf34abc9d5b05505ab69c008c39b021c09e8f6fd3f0ef50a3ec34b4ae0e5654

    • SSDEEP

      24576:aOjHdj0AM1skyrTSM92adO1NBca/juSFD0GW0R:aOJP7kyr2M9E1ncQu+D0GWy

    • 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.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks