General

  • Target

    doc02122024782020031808174KR1802122024_po_doc_00000991KB.vbs

  • Size

    28KB

  • Sample

    241202-rtvh1axndt

  • MD5

    3f1b162cde8a052e2743f254ad97c590

  • SHA1

    8263313c9ed96a36a57d67dfb72fa9729a2e792b

  • SHA256

    06d4a6631cc392070dc01e7bc97e333bd61af14ecf60bfc492e2a585f56daa22

  • SHA512

    447eb019fb70be017ad0fe0f1c88a467fd02ebac9647ac12a0dcd2ef8ddea223e6a3bf9e3c395d88839926638f6a0d8cce547bdf6a8a4b4349260c85c22e8416

  • SSDEEP

    384:M5cVCJUAGNvubdgdgrBRUmngkIgjpFsQF9Oq1ymBRhdzsxPc0+:M5cXLNvuby2LUmngzgjpimOq1dQxA

Malware Config

Extracted

Family

remcos

Botnet

A$ian

C2

iwarsut775laudryed1.duckdns.org:57484

iwarsut775laudryed1.duckdns.org:57483

iwarsut775laudryed2.duckdns.org:57484

iwarsut775laudryed3.duckdns.org:57484

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

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    hmbnspt.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    shibuetgtst-WMSLPY

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      doc02122024782020031808174KR1802122024_po_doc_00000991KB.vbs

    • Size

      28KB

    • MD5

      3f1b162cde8a052e2743f254ad97c590

    • SHA1

      8263313c9ed96a36a57d67dfb72fa9729a2e792b

    • SHA256

      06d4a6631cc392070dc01e7bc97e333bd61af14ecf60bfc492e2a585f56daa22

    • SHA512

      447eb019fb70be017ad0fe0f1c88a467fd02ebac9647ac12a0dcd2ef8ddea223e6a3bf9e3c395d88839926638f6a0d8cce547bdf6a8a4b4349260c85c22e8416

    • SSDEEP

      384:M5cVCJUAGNvubdgdgrBRUmngkIgjpFsQF9Oq1ymBRhdzsxPc0+:M5cXLNvuby2LUmngzgjpimOq1dQxA

    • 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

    • Adds Run key to start application

    • 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