Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 00:58

General

  • Target

    9eec1105097b7d71487dc562ca21774d_JaffaCakes118.exe

  • Size

    148KB

  • MD5

    9eec1105097b7d71487dc562ca21774d

  • SHA1

    2fa9f78b618c097e65ee4a387f3bfb41a3cf6993

  • SHA256

    46f23d38085b1ee1ca77e6576d696a82f9064b62120eb7e4ad874ca8d7d8421c

  • SHA512

    d6db1f8d43f3a2f342f282148f49a95021ddbf716c63dec6aa2a8fe8adfee32c9c55e525568ae38f57446dc233b39dd7baa1149ca1636375e1a79d76fad90c7e

  • SSDEEP

    3072:C2D+WuMBspr8+k77/pswWR/x0+dv4TLxyK454oQZiE+A9U:NSWuMBsFvS04+dv4TVSWJm

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 51 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9eec1105097b7d71487dc562ca21774d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9eec1105097b7d71487dc562ca21774d_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4088
    • C:\Users\Admin\ydriay.exe
      "C:\Users\Admin\ydriay.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\ydriay.exe

    Filesize

    148KB

    MD5

    e7763aaf9c67b0477cdee067eaf28a26

    SHA1

    8d05fc7dec2092c12253e919899c65a43e337eeb

    SHA256

    ff96181242d0632ab27e76359ab54772541f1ffc4e34ee838a5971a0b21452cd

    SHA512

    833d9baf5fa7beecac6c1c97c24b5ee29d54e353389fcc721f634740f70c43b1af187c4d364acf3f14622785d86627344b67af8b1b148d279e72806fa18a2205