Analysis

  • max time kernel
    140s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-09-2024 12:37

General

  • Target

    efcf353a31dae61120cca73be3e40fa9_JaffaCakes118.exe

  • Size

    242KB

  • MD5

    efcf353a31dae61120cca73be3e40fa9

  • SHA1

    85d8b0ba8d584051ad14dffb6e44db49acf8f4cd

  • SHA256

    f4b3d2c1ca6bdb2e4778c08edde3defaa97eea1bf8e72a96a6854767637c2c1d

  • SHA512

    bf2f7376388e54df50306639e823aa075d2d5e262961604449159a29c1a4ef9759935ee0966d11c1c4514bd2040c3f860350164a2d829e7b27814b7c345ed20f

  • SSDEEP

    6144:9keENDvTSn2SV/GuhYdViC7X57+nMusvFgWFGw:9NEND/k/GLPX57+nfsvFBFGw

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\efcf353a31dae61120cca73be3e40fa9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\efcf353a31dae61120cca73be3e40fa9_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:1580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1580-0-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/1580-11-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/1580-12-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/1580-15-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/1580-17-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/1580-18-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/1580-19-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB