Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2024, 03:49

General

  • Target

    81861135130728182dab859ffa4b1e95_JaffaCakes118.exe

  • Size

    273KB

  • MD5

    81861135130728182dab859ffa4b1e95

  • SHA1

    f81373c5723d06b2fec5b04b30801b3f91a58521

  • SHA256

    898802b891c014aa807baf5b9bf85b0a7d2804b610155f7c504d19f4b3486fed

  • SHA512

    ce9c2d6801933bae087f8fe872c78cef349be4e77b8b6838c4fbc89bafa7218dcd5927d98c0087941078e45415463cbf982412db0a7eeddf4ae8ec061374852d

  • SSDEEP

    6144:lvI8cw5R6NtoK0zat8GzwzkIXfYnPYsNJ1:lQ8H5RISK0qjIQnAyP

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 19 IoCs

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

  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • UPX packed file 3 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe"
    1⤵
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Modifies system executable filetype association
    • Adds Run key to start application
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c rmdir /S /Q "C:\Users\Admin\Cookies\"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1948
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c rmdir /S /Q "C:\Users\Admin\Application Data\Macromedia\Flash Player\"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1976

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\drivers\spools.exe

          Filesize

          296KB

          MD5

          4e969cd8820572e8c01de1e80e36f71e

          SHA1

          27bcc314c358898354aad237513b8c1cd6e16d55

          SHA256

          d17d114acc8a3672c1557605691a5f78b1dee42831d9e790f6606ef31b580875

          SHA512

          cd17c1a7cf72eb4928b1dfc31c810f03ff35c9b0773a6b3cce3ba1931d4e697a2ed15c1fe23d4d3a9358091be2072d9ce85097177a6539606b57f83b983e59af

        • memory/1908-0-0x0000000000400000-0x0000000001564000-memory.dmp

          Filesize

          17.4MB

        • memory/1908-6-0x0000000000400000-0x0000000001564000-memory.dmp

          Filesize

          17.4MB