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
    10-08-2024 02:20

General

  • Target

    84748d5572e1cf9d1e6383b9ed7fa5b7_JaffaCakes118.exe

  • Size

    136KB

  • MD5

    84748d5572e1cf9d1e6383b9ed7fa5b7

  • SHA1

    fe252f9f74d4ea559c78747d0a5db9bc9153378d

  • SHA256

    2492fbb8bda7a74846fc06bd151e418af0c3e8fbbb79aa3ba0b141e6a2d7cc0c

  • SHA512

    ab3b760979a398923a56e706639bb06db67fbebbd986fd9d02395a72a389c33bb34b45cb2d5514920694ec465da0a95c1e596d18f3f9fb2b0abfbb5d8042ab1d

  • SSDEEP

    3072:BmcgHVwwjBfQn7WbIqH0ybZBiOllyEmcP82+aVdOt66VGegmH:Bmh1Qn7WbIqH0ybZBiOllyE5D+aVkjse

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\84748d5572e1cf9d1e6383b9ed7fa5b7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\84748d5572e1cf9d1e6383b9ed7fa5b7_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Users\Admin\naanoa.exe
      "C:\Users\Admin\naanoa.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:736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\naanoa.exe

    Filesize

    136KB

    MD5

    46fc5f057fb88850ca40aa953e8af345

    SHA1

    b0fb6ce428dbfe7b58c6febdd293f8c47e0b50ad

    SHA256

    7140069b188ca65485401f87cd6d9a438915a45b488fafb3c5af81c59961de3b

    SHA512

    1f7680ea1631b91dc2ed95ef7fc092c64942ea592b1429d024e427845e1054f221af04844e4f7d54468a5805bdbbad91a53b2b7d992d70828c81c2566fbe2567