General

  • Target

    sam.exe

  • Size

    1.8MB

  • Sample

    240131-jn8jnsfff8

  • MD5

    bdd9f01d55b21f77f160ff1ef458f1ba

  • SHA1

    eb032bea83d9f31a66de45461c486cebc4c16da2

  • SHA256

    94260b8e095f80b625c7d948d68316c27d001b614db45f6993570685e3bb9d88

  • SHA512

    3e4e76c472da0f7f760c4d9b1f0e909082408b9edf64d7894a1e3d4be28d261d2ecc4bb6cbd6ad9f29fda36b60760a2c8ec0f44dd9a3b251254e08d21fa46005

  • SSDEEP

    24576:g7+dhTZPoW+yd+NM//vHQqlTHl4Vb24WX3k7wXTz8QGFUZfM+7Dfavrjnpir0gOf:gcP7HHQU72UHk7c7mvrq0gOP2QJRWuv

Malware Config

Extracted

Family

remcos

Botnet

JAN 28

C2

suntit.ddns.net:1992

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

    xbzmxnz-VOHP2H

  • 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

      sam.exe

    • Size

      1.8MB

    • MD5

      bdd9f01d55b21f77f160ff1ef458f1ba

    • SHA1

      eb032bea83d9f31a66de45461c486cebc4c16da2

    • SHA256

      94260b8e095f80b625c7d948d68316c27d001b614db45f6993570685e3bb9d88

    • SHA512

      3e4e76c472da0f7f760c4d9b1f0e909082408b9edf64d7894a1e3d4be28d261d2ecc4bb6cbd6ad9f29fda36b60760a2c8ec0f44dd9a3b251254e08d21fa46005

    • SSDEEP

      24576:g7+dhTZPoW+yd+NM//vHQqlTHl4Vb24WX3k7wXTz8QGFUZfM+7Dfavrjnpir0gOf:gcP7HHQU72UHk7c7mvrq0gOP2QJRWuv

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Remcos

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

    • ModiLoader Second Stage

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Creates new service(s)

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks