Analysis

  • max time kernel
    117s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-12-2024 23:59

General

  • Target

    Debug/Monaco/Fonts/JetBrainsMono-Regular.woff2

  • Size

    56KB

  • MD5

    8b0d4df1e1345ca043a37fff49f47ed6

  • SHA1

    0927db10012a27d2504240a93cf79077097da4dd

  • SHA256

    d43399032a7a3c539287a31645ded08075a3ca72de0921b62a51f65c3ca7a002

  • SHA512

    49d39d5196245c531f5dff304efd0367d1b95c805c3ee89f201105345a5d8a64e84bafa80a860ed918a0ec343da98c07f412a4ca3935b8088d982275681731e1

  • SSDEEP

    1536:EUxT91+sbKKeF5cSY8m3A3Ui9BRjg9/EtePGSsBd:f91+sbKKccrT3A5uMteHU

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Debug\Monaco\Fonts\JetBrainsMono-Regular.woff2
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2796
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Debug\Monaco\Fonts\JetBrainsMono-Regular.woff2
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2596
      • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
        "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Debug\Monaco\Fonts\JetBrainsMono-Regular.woff2"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:2580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

    Filesize

    3KB

    MD5

    d9776f8bbb171e05c6b6de7459e4be3b

    SHA1

    c98a6500ff08a01851ff56471a8e638f67b51460

    SHA256

    3fedc313a31fe02abf1ed2275e64b9488ba9a17e7760fd98417a2a2c17686942

    SHA512

    ecf284128dac7284af6235a3f727e17abf0738b214bdd2a35b86b39c2b9c573685c9b5204c0aea3b695b018505be0b602ab40307d0e304483818053a3b765032