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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
    24/08/2024, 16:06

General

  • Target

    bef5f12585414d89478804b329206c5e_JaffaCakes118.exe

  • Size

    172KB

  • MD5

    bef5f12585414d89478804b329206c5e

  • SHA1

    cf7377a3677c10e6c0357798d8c6c2eddc5cc781

  • SHA256

    83f742acc2c4eb0cd44a8a1e6cf46454fdde27632319b5b7fe5ac8694625c7a4

  • SHA512

    763a4db6866408f08aba744a905f0ab95ac0f59fa40af23e0eaa08d53f14af61bfff419855ea5d923ea534f4880f162c0de8abfad37663a40b5ea79fe2fdb78b

  • SSDEEP

    3072:FKFonoVD8oSx/mvXAFIFR7Nzim04f1fhLOG7GQiCLMt8Xt/Wv6mge0:F0oUD8oSx/mvXAFIFR7N7DfhhLOG7GQe

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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bef5f12585414d89478804b329206c5e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bef5f12585414d89478804b329206c5e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3368
    • C:\Users\Admin\jdnoix.exe
      "C:\Users\Admin\jdnoix.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
      • Suspicious use of WriteProcessMemory
      PID:2348
  • 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=4088,i,1828333185976713750,7918646547767660928,262144 --variations-seed-version --mojo-platform-channel-handle=4388 /prefetch:8
    1⤵
      PID:3572

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\jdnoix.exe

      Filesize

      172KB

      MD5

      b20045043792fbcfeef985fe851440da

      SHA1

      2ebb3a78ab59f78184b8b86ee9089288c4dc17a5

      SHA256

      35a6f7f90bfad44c883db892850d1009784ff74977831d4e35889ba66e4f17b1

      SHA512

      5b643eb38464c6d585db1bbf5c00a10e9373198043266c4c001feaa34fd90c1b54e52e165293791c1a798e8071c4f4ad7b251542dfa23e707e60fa4131cd5ad3