Extracted

• • Target

    document.xlsm

  • Size

    53KB

  • MD5

    50097dcbf3f4071e621ebbf3911d6ed5

  • SHA1

    eef3fad484c512b778a25d931edba6726d39f5f3

  • SHA256

    adf1d9e22efc7d95a57aa8754fe5e489380c52de240167930f7043d079e34144

  • SHA512

    6067d055751c17e701ccca54c87af094bf8c8434728978f296887da3592f2021275cf5cff5b4f9c3c67bb427fa46cce228a2d89e863cf2cc561adf47720135c9

  Score

  10^/10

  rustybuerloader

  • Process spawned unexpected child process

    This typically indicates the parent process was compromised via an exploit or macro.

  • RustyBuer

    RustyBuer is a new variant of Buer loader written in Rust.

    loaderrustybuer

  • Blocklisted process makes network request

  • Downloads MZ/PE file

  • Executes dropped EXE

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory

  • Suspicious use of SetThreadContext

  behavioral1behavioral2