Analysis

  • max time kernel
    150s
  • 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
    28/09/2024, 21:41

General

  • Target

    fd329b31ebcd5356921f0ea1bdd863f1_JaffaCakes118.exe

  • Size

    132KB

  • MD5

    fd329b31ebcd5356921f0ea1bdd863f1

  • SHA1

    a99960a5fb10c1373e43da537176b67bdcd10205

  • SHA256

    288df8168ee68d6092d895f56454b50252fdb1fbf04f6bddf7394cac2ed1db2f

  • SHA512

    478ad077bed15296d8eebbea38526f52b81b33bdb69d6edc66821e37150db1635b3f9dbd2e3dcc3338b8120a1441028912fb3fb459dfad4ba8c82ed75d16b7d7

  • SSDEEP

    3072:nanf/16NUf6VRlxzhPak8LXo46sBizKfeL:g/1iUSVPxNPaLLXoNiiSe

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 52 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\fd329b31ebcd5356921f0ea1bdd863f1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd329b31ebcd5356921f0ea1bdd863f1_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:3892
    • C:\Users\Admin\toeuyas.exe
      "C:\Users\Admin\toeuyas.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:4600

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\toeuyas.exe

          Filesize

          132KB

          MD5

          ba35883a76d795a6c0fa02aa23ba7508

          SHA1

          1723700ca04280ba12e7d4a1dad304209ce20d49

          SHA256

          a33510c0dadee917a74df73b47f14600da0da8ee1e16901b6e06dfd3ab9a7338

          SHA512

          e7bd393824d4569b842fbc48c8d46c1f675f1d9d8fdfe5322bd8549a5de201c9fde4c33605b55501b0fd543f5b4f31f8bb674dab7a00e14ae000a2d2c4107647