General

  • Target

    60c5ca33dc92605155f114d650afb778a4dcae618eeda691b74e27ae5958c23c.unknown

  • Size

    14KB

  • Sample

    241012-bxfagsvfpe

  • MD5

    584328f9c683ae04f6ce22a31d745bf1

  • SHA1

    0fd04e559837fac528e535be6c1e020018d3b1ad

  • SHA256

    60c5ca33dc92605155f114d650afb778a4dcae618eeda691b74e27ae5958c23c

  • SHA512

    6d8387c307563c172ce503b4d37d8b25aa427c3d890464636c0bc2688ab3aaa6d742e6b0d6a6d0cc82edf08d58d3994e3c53fcfe84cd525604b6703b733e6736

  • SSDEEP

    384:ULqtQwkekctuEedeD42r2TT8FVB+4CpGn:UqtQI2j8G8F33CpQ

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

dumboi.duckdns.org:51525

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-8AXK3L

  • 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

      60c5ca33dc92605155f114d650afb778a4dcae618eeda691b74e27ae5958c23c.unknown

    • Size

      14KB

    • MD5

      584328f9c683ae04f6ce22a31d745bf1

    • SHA1

      0fd04e559837fac528e535be6c1e020018d3b1ad

    • SHA256

      60c5ca33dc92605155f114d650afb778a4dcae618eeda691b74e27ae5958c23c

    • SHA512

      6d8387c307563c172ce503b4d37d8b25aa427c3d890464636c0bc2688ab3aaa6d742e6b0d6a6d0cc82edf08d58d3994e3c53fcfe84cd525604b6703b733e6736

    • SSDEEP

      384:ULqtQwkekctuEedeD42r2TT8FVB+4CpGn:UqtQI2j8G8F33CpQ

    • Remcos

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

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks