Analysis

  • max time kernel
    150s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 02:30

General

  • Target

    dd7cd737928883b04d89fe93f429952f_JaffaCakes118.exe

  • Size

    248KB

  • MD5

    dd7cd737928883b04d89fe93f429952f

  • SHA1

    0f76e216f3f8253d7e37a2d33c2117ba7bf82bfc

  • SHA256

    e594a33eadc4514bdbeaa81e77834bc1b979256f3e9e8147da3962ef12ed95ab

  • SHA512

    4fe430b0103d9ab1e727c1af49d8c094c6f53eae9c241e5b7a517ea72a77ed666a3b2ec0836f7b19c553e33a6b7613d6c55e2ee3a22b052657608153687f0641

  • SSDEEP

    6144:B5LUCBFkNsUIioDF54VY2fRNhps0CwZh5gUl35TH3Hddr88/D+U:kfX5TXHddr8qqU

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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dd7cd737928883b04d89fe93f429952f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dd7cd737928883b04d89fe93f429952f_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:396
    • C:\Users\Admin\hxyoal.exe
      "C:\Users\Admin\hxyoal.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:2384

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\hxyoal.exe

    Filesize

    248KB

    MD5

    c275b22f932da589182954f47fe219a1

    SHA1

    95d37c11687557cdfe3f45276bd7ff1ff3e7281f

    SHA256

    e0227b94da77ba4ed540a57534a01d0ec009c2695b71c41c1699cceac459842b

    SHA512

    140b3c03531d951687dbc7c3a2283372d0f63d042414885c86a10783c8077adfd58a038bcb856167165dacf827ebee40cd846b413cc6f58289d70ae9a499669e