Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-09-2024 13:55

General

  • Target

    feab292bc5d03bd346a54fb83b2e26b1_JaffaCakes118.exe

  • Size

    184KB

  • MD5

    feab292bc5d03bd346a54fb83b2e26b1

  • SHA1

    aea42cbde8e95aa5b28bf7e1a0f9308684329c00

  • SHA256

    edcfe9fd5bb467a368f78886a17644e73af753fbec255fa5cdb57b45f9d199bb

  • SHA512

    be7a134a099658ca54c3684acd4ec0a59d2debe4aeb0d480f676e7d1e9222bd8c6bcdc5804e4ad823070afe26488d1ec14feacf94854523f32317d86c0879fb1

  • SSDEEP

    3072:VI5RVBd9YUdtG716ennADVeMfcRAGKB+uMTEd1CTC:ViTu1tnADVhERAGKB+uSEd1

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 52 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\feab292bc5d03bd346a54fb83b2e26b1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\feab292bc5d03bd346a54fb83b2e26b1_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:4912
    • C:\Users\Admin\tiiex.exe
      "C:\Users\Admin\tiiex.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:3324
  • 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=4380,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=4188 /prefetch:8
    1⤵
      PID:1732

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\tiiex.exe

      Filesize

      184KB

      MD5

      0536775909b8dd8ecce1752e2f9e793a

      SHA1

      d9e708a028973b7e134f06e7671b7b1f279d3ad9

      SHA256

      6de7aefb128d82a6062e0ad382942db556ff2a409d9d1125fb61b8728e348413

      SHA512

      2ae6f310824eaebf6524c898a2cbf8091a22159579fb547782bfc222b853e2ee27d35f50601dd24d40d14984df7f8db6e7f56ffd3895a8b922ef751ba0fe0c1f