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General

  • Target

    04012024_0028_Remcos2023.iso

  • Size

    1.9MB

  • Sample

    240103-tyvexabaa9

  • MD5

    3f8f7fdbc1c367bbba16d162ac9bba1f

  • SHA1

    44b717d9d713ffe771035e603a39f02fc54a408a

  • SHA256

    e6f4b1ed945dfe592851779ee00459e49d078983937b72c6cedb4da6d1a42433

  • SHA512

    efee0b92d65d7a2f6aa64ff5a82e7bb9942df9eab9ccf16eac06c06a8d1c2c497833cd903e5e2bda952dc37da46b013f7c0e179c3b551da3386b7fcb9cee3920

  • SSDEEP

    24576:/bGQWvRW2299XrxE7Ozo4vq60bhs+VfnO52C:TGQWsXr+zZzhrVfn

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

172.96.14.67:9785

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-6W5HVR

  • 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

      Payment Advice_ Public Bank Berhad.pdf.bat

    • Size

      1.4MB

    • MD5

      89ff8e75427e825570b0b2340dd832cf

    • SHA1

      12903d7c478914c4c38e76b24001145048f20b8e

    • SHA256

      7011d414322a2e8079029fdb2646ce87bea6baaa1dccdb4cc3ac07f968189cbd

    • SHA512

      525e3098b2b6699113feedabe29e9636e71f30e1caef327c576df4853021a431483905bb6b17379cb587d87a79a811f856e25627f50e9ca34de7142603493c96

    • SSDEEP

      24576:KbGQWvRW2299XrxE7Ozo4vq60bhs+VfnO52CF:EGQWsXr+zZzhrVfni

    • Detect ZGRat V1

    • Remcos

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

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • 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