Analysis

  • max time kernel
    140s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 22:52

General

  • Target

    a88afe903482a7f4db52216e85aafa81_JaffaCakes118.exe

  • Size

    208KB

  • MD5

    a88afe903482a7f4db52216e85aafa81

  • SHA1

    ac8a193c2ac8e4ae2360857ec2e9dc7ca1042fa3

  • SHA256

    6007455be932c6923f17989d53c76c1c3b7c294c997cc8813947c48123d4431f

  • SHA512

    9a1ea797be6c433cee13771836739add75d90cffe3539503a5268c9ca3d54a9842e11a52bc59dc2d1b5172f147752087787026fd472a5b9ad48b6d5b5eb8b62e

  • SSDEEP

    6144:lozMw1Zn/OgHRmHwffT39pcJ/TVQ4zZHEai/+cYl:Yn/3vf+xQ4zpBw+9l

Malware Config

Signatures

  • UPX packed file 5 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\a88afe903482a7f4db52216e85aafa81_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a88afe903482a7f4db52216e85aafa81_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:4636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/4636-0-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/4636-11-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/4636-13-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/4636-17-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/4636-19-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB