Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-07-2024 12:47

General

  • Target

    3d6fa07910ff6b03f55a0d7dc103fea9_JaffaCakes118.exe

  • Size

    88KB

  • MD5

    3d6fa07910ff6b03f55a0d7dc103fea9

  • SHA1

    afbe3a7b7bb1b201aded0d08ff089c1d92a5a722

  • SHA256

    eebc8167d9562cb7b4790686f1e067e29a728dd30ea610ae24b8dc9fd8576cd0

  • SHA512

    a36a9112e69eea034b06351ad025ff729663b8d479854240095b9600281709c32405a1b410f46337e5658b8d303b80ac7e312e0250785aacd4de11c7749bbb77

  • SSDEEP

    1536:i9QRvtVSpy8tXG06YpqdXTsYJ/F+FBFIFGFYF7DUZxTZJca:BRv3Ss0G0mZUB

Score
10/10

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).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d6fa07910ff6b03f55a0d7dc103fea9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3d6fa07910ff6b03f55a0d7dc103fea9_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3856
    • C:\Users\Admin\yuiimo.exe
      "C:\Users\Admin\yuiimo.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\yuiimo.exe

    Filesize

    88KB

    MD5

    07145a863c07746511923ed257f988ef

    SHA1

    c0549cd7bdaf318bed2f300241a98576722e4818

    SHA256

    1c459005922f0497820e2871ffab1283ff23c622a60e59e6374a99be96598fce

    SHA512

    3c03de07c04ac460953e059c8da49e9f67149570230720c024d59ef80b9be3828824c7d69d4c3aa5e661d48649599fa51762ba0c648c80a8e46eaa619564dbcb