Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/09/2024, 11:24

General

  • Target

    f5e726f4ae4e782fa295d2d791a18dec_JaffaCakes118.exe

  • Size

    256KB

  • MD5

    f5e726f4ae4e782fa295d2d791a18dec

  • SHA1

    0ab487570ab93e1ababcab4fdaa4210b94bcac52

  • SHA256

    2e1d56034546369acad9f0d6d0065126472dc974efd314d78386f9f78dd74b53

  • SHA512

    c2497b9a4248d36c4266f074f35b5969f6bfcf98d9c6871d4e540ad86d3244c7d6ddec2278bfe603a52391863ae85fccaca8018deee7bd5ae6ea818c92d52713

  • SSDEEP

    3072:k3ZVoeYPlp/nskpCUv5T79fzCC/M7BFsqMabeYiUDoZG/33ygot:yfwPlptNvl9fm0UBFsqMabeYiUDogvFg

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 53 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\f5e726f4ae4e782fa295d2d791a18dec_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f5e726f4ae4e782fa295d2d791a18dec_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:3228
    • C:\Users\Admin\fieemab.exe
      "C:\Users\Admin\fieemab.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:4352

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\fieemab.exe

          Filesize

          256KB

          MD5

          d7758f0c8353fdd33d13703ded283a59

          SHA1

          c5dedf982d6e26e168b484d43b2e506464b5b0ff

          SHA256

          574c30920e309d33caa144a615b2c1dd50c3dafe13ed750d31b2d117cfd962d2

          SHA512

          02cad37a98f43a298182fe5320fd694676f1a59bf4e4ee2bc83f31274dec2a6cba0667b5e7f9a484b2daaad521241c9e89c3726ec7990e38193231345f04010a