Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/08/2024, 15:22

General

  • Target
    a72bc2e040237f4e57cda59e58a3e827_JaffaCakes118.exe
  • Size 96KB
  • Sample240818-srzwdazdmc
  • SHA256 863dd70bbcfb4e8291a0e49407c638209c628afcc5fc4de65454e6417cb1505d
  • MD5 SHA1 SHA512 SSDEEP

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 50 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\a72bc2e040237f4e57cda59e58a3e827_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a72bc2e040237f4e57cda59e58a3e827_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:2008
    • C:\Users\Admin\caaqeu.exe
      "C:\Users\Admin\caaqeu.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:3764
  • 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 --field-trial-handle=4372,i,3239535018877284530,3457823197501312703,262144 --variations-seed-version --mojo-platform-channel-handle=1036 /prefetch:8
    1⤵
      PID:2180

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          caaqeu.exe

          • Path C:\Users\Admin\caaqeu.exe
          • Size 96KB
          • SHA256 0e0d27649bbff032c97b3fc2314fa7b6df0309eb8538144c63b3837775d560d7
          • MD5 SHA1 SHA512 SSDEEP