General

  • Target

    DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr

  • Size

    996KB

  • Sample

    240521-bh3ggadf3t

  • MD5

    3112375e035766a604350754d20460dd

  • SHA1

    6f8377e4b95fd9f5af3921616410b2c986dfb8ba

  • SHA256

    866de3bdc1cc207c818212511641cdf5e6220f304619a26b5e9cb2d2b9c8a309

  • SHA512

    6a7186b4b76575a51374fadd1120163e47d0bb21d8dfc000893f91a57e7f3487f68338de651bb21a78cd8ef6e5581c2d6b2d7c5c7b0f188071a8f1f70d0b1258

  • SSDEEP

    24576:wn698VVYl6Jic3uH34B+HH5U3F7+IYz8pLjG0:H9SBx3uX4Q5U3pnYO/G0

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

104.250.180.178:7902

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Microsoft .exe

  • copy_folder

    Microsoft

  • 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

    Microsoft -QUCX7D

  • 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

      DELAY NOTICE - HUMPERT-WH (SO.5649) 521.PDF.scr

    • Size

      996KB

    • MD5

      3112375e035766a604350754d20460dd

    • SHA1

      6f8377e4b95fd9f5af3921616410b2c986dfb8ba

    • SHA256

      866de3bdc1cc207c818212511641cdf5e6220f304619a26b5e9cb2d2b9c8a309

    • SHA512

      6a7186b4b76575a51374fadd1120163e47d0bb21d8dfc000893f91a57e7f3487f68338de651bb21a78cd8ef6e5581c2d6b2d7c5c7b0f188071a8f1f70d0b1258

    • SSDEEP

      24576:wn698VVYl6Jic3uH34B+HH5U3F7+IYz8pLjG0:H9SBx3uX4Q5U3pnYO/G0

    • Remcos

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

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks