General

  • Target

    OutstandingInvoices_pdf.vbs

  • Size

    38KB

  • Sample

    241124-s25vdasmhk

  • MD5

    da585c076f85367266cc0c6278863775

  • SHA1

    5f20adced6dcac42336a587c4c99036098f75691

  • SHA256

    1bd7e51b56b53d6522565bee13bf0fe855b27ff37cddcc4d71cfced82e01e86f

  • SHA512

    da39a7bb7d92eadcd50b06d6c12cf9f10b4e5aa3ec6a201984f41556ea9825948ec03cc1a47c07ba7fb50169b9eb3d95fb7bc1efa78b54c7ac180723ef95cb52

  • SSDEEP

    768:CJLtBS6wlVggNDAAE1yU2QLIeG34mMEeVMSjBLf20KnHtTkoi3zToBEWLuJP:CJJBSxNDlE1y8Lps4mMEXSlLf54koiXJ

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

154.216.18.214:2404

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-AOD6MB

  • 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

      OutstandingInvoices_pdf.vbs

    • Size

      38KB

    • MD5

      da585c076f85367266cc0c6278863775

    • SHA1

      5f20adced6dcac42336a587c4c99036098f75691

    • SHA256

      1bd7e51b56b53d6522565bee13bf0fe855b27ff37cddcc4d71cfced82e01e86f

    • SHA512

      da39a7bb7d92eadcd50b06d6c12cf9f10b4e5aa3ec6a201984f41556ea9825948ec03cc1a47c07ba7fb50169b9eb3d95fb7bc1efa78b54c7ac180723ef95cb52

    • SSDEEP

      768:CJLtBS6wlVggNDAAE1yU2QLIeG34mMEeVMSjBLf20KnHtTkoi3zToBEWLuJP:CJJBSxNDlE1y8Lps4mMEXSlLf54koiXJ

    • Remcos

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

    • Remcos family

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks