General

  • Target

    LSMUCITATALT20-11-2024pdf.vbe

  • Size

    11KB

  • Sample

    241120-teh8jayqdz

  • MD5

    df045c185b46e8c2432ea266b0671f86

  • SHA1

    db27134d7be95240a1349bbcd1a1dcfa0dfb3506

  • SHA256

    27ab626711706fe4699ec17a7d7e0cd6aa2181ac87d7693cf55ef728242d4181

  • SHA512

    99306cbf23bf7a00a398849ca8ff25ce9ab1659f686e28e3e843b1a1632637495c177044173e70ad58571e2d856f4aa4e4b22b2e48e9a8cc3944feabeb4e11ae

  • SSDEEP

    192:1P3nxwOrFEWWm60w5HPZMy35kCktIFc/T+zxLQkQUYUu59ynvT/1dut4VXcz1Xzy:9pJEWM08HRdyCHFsaFQkQUYhivZktOMc

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

gnsuw4-nsh6-mnsg.duckdns.org:3613

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-8OIXMO

  • 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

      LSMUCITATALT20-11-2024pdf.vbe

    • Size

      11KB

    • MD5

      df045c185b46e8c2432ea266b0671f86

    • SHA1

      db27134d7be95240a1349bbcd1a1dcfa0dfb3506

    • SHA256

      27ab626711706fe4699ec17a7d7e0cd6aa2181ac87d7693cf55ef728242d4181

    • SHA512

      99306cbf23bf7a00a398849ca8ff25ce9ab1659f686e28e3e843b1a1632637495c177044173e70ad58571e2d856f4aa4e4b22b2e48e9a8cc3944feabeb4e11ae

    • SSDEEP

      192:1P3nxwOrFEWWm60w5HPZMy35kCktIFc/T+zxLQkQUYUu59ynvT/1dut4VXcz1Xzy:9pJEWM08HRdyCHFsaFQkQUYhivZktOMc

    • Remcos

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

    • Remcos family

    • UAC bypass

    • 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

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks