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
    20/09/2024, 12:11

General

  • Target

    ed8ed40400aea702452fc0feb0756247_JaffaCakes118.exe

  • Size

    100KB

  • MD5

    ed8ed40400aea702452fc0feb0756247

  • SHA1

    d61bf52539c465d3cd36c226dfaf4e203e0182af

  • SHA256

    ab5337d052ed7b582a27a552020dd62676b2a4002748908eccab66e83ac01722

  • SHA512

    ecabaa52b5cb7fca8166410ee4d2648a60af57e6a63820188e773df21ec0ad4688fc14e34b77457ba95c438927a3091784eab2b23bea1a5700ce4ecad284e0d4

  • SSDEEP

    1536:+wtGx82NTzwYMGAc4ohrPXo+73Rez8b0SyuNIjnZq:ewHurPX7CuCnY

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\ed8ed40400aea702452fc0feb0756247_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ed8ed40400aea702452fc0feb0756247_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:3000
    • C:\Users\Admin\fiopaa.exe
      "C:\Users\Admin\fiopaa.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:5080

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\fiopaa.exe

    Filesize

    100KB

    MD5

    738abd93d1579a1dc919334a745fdaa7

    SHA1

    313804aa301aaec787f8bf38e47fb0bfe3370c03

    SHA256

    ced9feee2736b8c68a8d1e8762a66483b224c40ea7ae129354a1907b01ccc341

    SHA512

    6796d9c6d5ab197cf26cdff8209c24e6f63d81d4ee6338299d917bc26a38fd476c416a27241e3926814567e5104ed93e2ca12aa85a126db03b9e626b5c3f4c84