General

  • Target

    RFQ_0098W662L9.exe

  • Size

    992KB

  • Sample

    231211-sm1bcabfe2

  • MD5

    7b0c1ca4cd44af568c567560ed0d5a23

  • SHA1

    6e2220145b9c30e267c3819f4ad5fabccf48842f

  • SHA256

    5a9df97d04a1d76506fb8c787484ebd383a6210a11e2f10f01b8b0840bc7615b

  • SHA512

    d88d74a6a9478e7af73bcac432e19f804ab2e471e4fac33d1fd49b8c0ecc4af05bf46d072d209dee79aae32a0d5078270e5a8c06185c05e8c0f2eeb7801d17fa

  • SSDEEP

    24576:tNNLHQu+Ml8c2X7mNqPDjnzB0yKAz4WmovS/ST0hX2CnG:j+zmXyKty8wim+G

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

185.202.173.178:2404

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-BG9NIB

  • 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

      RFQ_0098W662L9.exe

    • Size

      992KB

    • MD5

      7b0c1ca4cd44af568c567560ed0d5a23

    • SHA1

      6e2220145b9c30e267c3819f4ad5fabccf48842f

    • SHA256

      5a9df97d04a1d76506fb8c787484ebd383a6210a11e2f10f01b8b0840bc7615b

    • SHA512

      d88d74a6a9478e7af73bcac432e19f804ab2e471e4fac33d1fd49b8c0ecc4af05bf46d072d209dee79aae32a0d5078270e5a8c06185c05e8c0f2eeb7801d17fa

    • SSDEEP

      24576:tNNLHQu+Ml8c2X7mNqPDjnzB0yKAz4WmovS/ST0hX2CnG:j+zmXyKty8wim+G

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • 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

    • Loads dropped DLL

    • Accesses Microsoft Outlook accounts

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks