Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/10/2024, 04:37

General

  • Target
    5ae01221a792de51bc3d217da04b9c0c_JaffaCakes118.exe
  • Size 236KB
  • Sample241019-e87ewsxfjd
  • SHA256 e267ff607670b65df1091cf504e442258c9003ad475f9409c38c588893909e08
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 1 IoCs
  • 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 system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ae01221a792de51bc3d217da04b9c0c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5ae01221a792de51bc3d217da04b9c0c_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    PID:3484

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        memory/3484-0-0x0000000000400000-0x0000000000488000-memory.dmp

        memory/3484-10-0x0000000000400000-0x0000000000488000-memory.dmp

        memory/3484-11-0x0000000000400000-0x0000000000488000-memory.dmp

        memory/3484-16-0x0000000000400000-0x0000000000488000-memory.dmp

        memory/3484-17-0x0000000000400000-0x0000000000488000-memory.dmp