General

  • Target

    Synliggre.vbs

  • Size

    46KB

  • Sample

    241125-g18zvsypbm

  • MD5

    e5134e328ff4598e4f301cf33df16bec

  • SHA1

    34a3fe3de95733db848f40638e31d628ea8e94da

  • SHA256

    f57ea1cae9e6180b2f912e15dac0ca102e30c7b89fc2fb6f041841d09dea78a4

  • SHA512

    355133afde717ab39a96bb2ea3ce4a1517624c704184b9c7715753bf8a0dea944ca8c23e4e3289365fd43ec410691865805243528a44efddaddc844ba99ae572

  • SSDEEP

    768:cLtPCv/n84ubWF+77WPQLksyMWWwiRghC/JRXenPbUMSvoipHHch7hGEYmzEOms:cL1Cv/8NW06CksCWwugh+YPKoOHchtGk

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

154.216.18.157:2404

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-N639VY

  • 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

      Synliggre.vbs

    • Size

      46KB

    • MD5

      e5134e328ff4598e4f301cf33df16bec

    • SHA1

      34a3fe3de95733db848f40638e31d628ea8e94da

    • SHA256

      f57ea1cae9e6180b2f912e15dac0ca102e30c7b89fc2fb6f041841d09dea78a4

    • SHA512

      355133afde717ab39a96bb2ea3ce4a1517624c704184b9c7715753bf8a0dea944ca8c23e4e3289365fd43ec410691865805243528a44efddaddc844ba99ae572

    • SSDEEP

      768:cLtPCv/n84ubWF+77WPQLksyMWWwiRghC/JRXenPbUMSvoipHHch7hGEYmzEOms:cL1Cv/8NW06CksCWwugh+YPKoOHchtGk

    • Remcos

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

    • Remcos family

    • 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

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks