General

  • Target

    PqFHXKQFAT_winpc2ned2222.js

  • Size

    1018KB

  • Sample

    220809-w9gdjagaf5

  • MD5

    7dad59422926c67a4a7e7c5cd4b18a92

  • SHA1

    a7fb4f8562ad011142480c228772cdb0b1428bd2

  • SHA256

    9fba816a4d00e0446b1ac48be9ceb65ecf3e1409112ac251d7af50d23e1e38be

  • SHA512

    71f35509e97459f01d9f876cb781fb50fdc24ba1c53dd030900042c489b08329b236e96278bee2176d1a33bfa828bb1b3ae9ffaf87828c5eb36b6abb15e4aa07

Malware Config

Extracted

Family

remcos

Botnet

WINPC2

C2

185.157.162.75:62186

185.157.162.75:2222

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    windowpc.exe

  • copy_folder

    Remcos

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %WinDir%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    parts082-LCT8UU

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    internetexploere

  • take_screenshot_option

    true

  • take_screenshot_time

    5

Targets

    • Target

      PqFHXKQFAT_winpc2ned2222.js

    • Size

      1018KB

    • MD5

      7dad59422926c67a4a7e7c5cd4b18a92

    • SHA1

      a7fb4f8562ad011142480c228772cdb0b1428bd2

    • SHA256

      9fba816a4d00e0446b1ac48be9ceb65ecf3e1409112ac251d7af50d23e1e38be

    • SHA512

      71f35509e97459f01d9f876cb781fb50fdc24ba1c53dd030900042c489b08329b236e96278bee2176d1a33bfa828bb1b3ae9ffaf87828c5eb36b6abb15e4aa07

    • Remcos

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

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Adds policy Run key to start application

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks computer location settings

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

    • Drops startup file

    • 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 v6

Tasks