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Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/07/2024, 10:18

General

  • Target

    38b7ac8d595e2af2e26a3d13aa4dc6dc_JaffaCakes118.exe

  • Size

    92KB

  • MD5

    38b7ac8d595e2af2e26a3d13aa4dc6dc

  • SHA1

    855779e22bcefef74cd73e0ea9d5fb36b6fad34d

  • SHA256

    40f8fd4a504eb1201cdfb764b7583836c39fa8b6c312e6cf6821e550623e271c

  • SHA512

    99b642ed9b1bc7b6c38ee48dca62007ee3495dffdebba2c0a75bd9650a422713b863fc944559cdcfb07c16bb71aa52c30ad938f5a11446b43e2e47c4c6255b27

  • SSDEEP

    1536:KcvNmNqJbtdiivGVR6njalbA/yTgFmLrgc1cWcZc+c5cusZy7xp0gZPk5:pOqJtdJy8iAyzZPO

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 52 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\38b7ac8d595e2af2e26a3d13aa4dc6dc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\38b7ac8d595e2af2e26a3d13aa4dc6dc_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:212
    • C:\Users\Admin\nwwioj.exe
      "C:\Users\Admin\nwwioj.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:4880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\nwwioj.exe

    Filesize

    92KB

    MD5

    06a36b114e29ce6edc5ce0a7b2fa00e2

    SHA1

    28bcf7b8dd4bf3cdc6ae083f286904c17e0f60cf

    SHA256

    ab04bb3988e0af306db68e89b95d6ac8335b649c99efa0d0effc46bf8448bf5b

    SHA512

    7b7aa857abf4415d1588c0a8cf7795c02da14ba6688377fe828bac97c10ffe1610b42aa38b3d2c260c086da5435674903297dbd11d1f604ddd53bf759ab4eee2