Analysis

  • max time kernel
    145s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 02:51

General

  • Target

    b1d9da719de07b0e994988ca4813166d_JaffaCakes118.exe

  • Size

    228KB

  • MD5

    b1d9da719de07b0e994988ca4813166d

  • SHA1

    5038dc874e7a093926f04040a78ee3be7f48eadb

  • SHA256

    971f487217c3b4909d28a3436fb7c8aa6ae9585e8e227fdf17430bd603ae8d1c

  • SHA512

    4a05d0615cd3291193f43f2e7e0ebb03b658ecbfbc092bf26f887b2f3319ac9d249a4b3246c2fb0c9c831a4d0ed11c6456596565208484dc8e60258f39f1df2f

  • SSDEEP

    6144:x4Q9x2N2h74vSmC/eakYkJ9afR+9ge1LisQOcNeSVpK3aFYNqHjkr:SQn+vSbkYkqfRNe1LiN/bVp7mqHj0

Malware Config

Signatures

  • UPX packed file 7 IoCs

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

  • 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.

  • 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\b1d9da719de07b0e994988ca4813166d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b1d9da719de07b0e994988ca4813166d_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:1300

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1300-0-0x0000000000400000-0x0000000000487000-memory.dmp

          Filesize

          540KB

        • memory/1300-11-0x0000000000400000-0x0000000000487000-memory.dmp

          Filesize

          540KB

        • memory/1300-12-0x0000000000400000-0x0000000000487000-memory.dmp

          Filesize

          540KB

        • memory/1300-13-0x0000000000400000-0x0000000000487000-memory.dmp

          Filesize

          540KB

        • memory/1300-15-0x0000000000400000-0x0000000000487000-memory.dmp

          Filesize

          540KB

        • memory/1300-18-0x0000000000400000-0x0000000000487000-memory.dmp

          Filesize

          540KB

        • memory/1300-21-0x0000000000400000-0x0000000000487000-memory.dmp

          Filesize

          540KB