General

  • Target
    09022026_1221_Outstanding Invoices.bat.zip
  • Size 447KB
  • Sample260209-pjs63set7h
  • SHA256 eec019a58f08db6ab041a94298636ed5e4614d3042363705a8565afaa977cef7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.1.0 Pro

Botnet
  • RemoteHost

C2
  • 161.248.178.69:2404

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

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-DWWVDD

  • 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
      Outstanding Invoices.bat
    • Size 468KB
    • SHA256 d2ec22b6ddbe0229ed41c7dbd8238504c541d4f8aa6005fb88062d470dffc145
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • 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

    • Loads dropped DLL

    • Accesses Microsoft Outlook accounts

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      Skihop.scr
    • Size 13KB
    • SHA256 d6d85a2c6db3d717997bb14fa1354aab2b89fbc21032c821d823cdfb396a2571
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10

MITRE ATT&CK Enterprise v16

Tasks