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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/04/2024, 11:47

General

  • Target

    ed590695c86d36428567cf0a5ba082cf_JaffaCakes118.exe

  • Size

    300KB

  • MD5

    ed590695c86d36428567cf0a5ba082cf

  • SHA1

    439258cf1ccae0fb622bb8a67fd75a85afe43e76

  • SHA256

    5bb615a671d9fd3f0e32526f18c402394134c8c4ec0c4a79fcd422b6f43943c5

  • SHA512

    813a55e71e59a0d8c1a703887030dd38e281a652bb0871096618021f531058a85aa3b9c23e1437503fbe82271978bd7769d0afcc30061511bf36860b33e2a44a

  • SSDEEP

    3072:khEPZz2c1VzH9ZtyYjBCwD+afFICNcFOnQYPDY0rlGY4aDACauXHt7kMMor5cu:WEPZz

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 50 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed590695c86d36428567cf0a5ba082cf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ed590695c86d36428567cf0a5ba082cf_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4968
    • C:\Users\Admin\deuik.exe
      "C:\Users\Admin\deuik.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
      • Suspicious use of WriteProcessMemory
      PID:208
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4088 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1508

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\deuik.exe

      Filesize

      300KB

      MD5

      f0f7253323c293b2db7465d1ffd31e90

      SHA1

      d80e45739e29d041a94bfff7518d822835223539

      SHA256

      acb37a3f8148e62cacb37cf24b1ff0a1728e4f5866dc8571f1cd7941e7d86dd2

      SHA512

      f159d46022202dd8da2b496812336580c6e40fb8b9febe1034808fb316c5bff389839334685f4bb14ea3e209bb9247f076d5cd6c4692e675b2e9d437de0b5543