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Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/09/2024, 17:08

General

  • Target

    e0a3c8debcd25c49bea2103893f6957c_JaffaCakes118.exe

  • Size

    296KB

  • MD5

    e0a3c8debcd25c49bea2103893f6957c

  • SHA1

    62296397690c9d4aaacdeb48803dd4876a339cde

  • SHA256

    4ca5dc7964fb3c43f900b3e356d78eaa488b26dda1662cdabbbb0812a6900805

  • SHA512

    35728fceb5ed27d89d95824081ba65c4e2eb51d02fad261e74037de652907a5d0b2f06fb20090ce5dfd6fd8d0682427da0322428da384d4b008a674093aa28f1

  • SSDEEP

    3072:/KYm6FhMIJqOifVqf3RY8xfu3YOUtCPgCr0bM2C2VxZx89bRsVM8fnkTgFG3zsUp:/K1qimRvG0s0bM2CEDV+8fnkSUuta

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\e0a3c8debcd25c49bea2103893f6957c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e0a3c8debcd25c49bea2103893f6957c_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:3708
    • C:\Users\Admin\meuec.exe
      "C:\Users\Admin\meuec.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:2888
  • 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=1012,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=4376 /prefetch:8
    1⤵
      PID:3016

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\meuec.exe

      Filesize

      296KB

      MD5

      2b73e6b9be1a4cb86aead3ad738f5ecf

      SHA1

      aedad708a482efc55202a5b94d269b65029f216c

      SHA256

      1dd4df97cf8eaa456288a1086e93147fd66c9e18132deb0e3ac2831b1299b895

      SHA512

      da955137fd6806439522b4894d1dadd542d137f3ef0dfbed7c82a3b90d65836d4ce59fb952f18695d5815a376dd1fb1f800e03704f28e98250f3573dc8004e00