Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 10:05

General

  • Target

    a21efbad15ad8a9c553325ff5371c877_JaffaCakes118.exe

  • Size

    152KB

  • MD5

    a21efbad15ad8a9c553325ff5371c877

  • SHA1

    4572a3df8479c1988aa28a01a12c46c759b843ba

  • SHA256

    0e34a19db7efa689ce38ce25b42ce7350eeb0dc4d201a9731d20a7b5e5cf3b7a

  • SHA512

    996bb3a9f65fc454e1e4201dee1339910a75c267822fb7e5e594f4fd77d5916f287b150d429d04feee2b52b6cc4dc5d17183f45c3366a6f3237184a258504331

  • SSDEEP

    1536:Zl2mF+VoV6qZO5WV9PZ1K+smtK4/ZWnKjg4:Zl2mF+VoV6qZO5W7afKjN

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a21efbad15ad8a9c553325ff5371c877_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a21efbad15ad8a9c553325ff5371c877_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3416
    • C:\Users\Admin\keuafeh.exe
      "C:\Users\Admin\keuafeh.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
      • Suspicious use of WriteProcessMemory
      PID:804

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\keuafeh.exe

          Filesize

          152KB

          MD5

          df555447729c657420edf06abd962d9d

          SHA1

          6964a0656b5982c99f5321990b833b93214d6e99

          SHA256

          8fe23a6032891d48a8e29a57831efdad82f3d6fdef67b17b13d51bc7812aaa3e

          SHA512

          757928c14ee759a2448532ccd2074af4264cc2a253b2dd50b4cd473b297946db837dd1638633e787b90a8a271c2968cafdb7bb604f606c6dcd94c888826cc6c3