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Analysis

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

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/08/2024, 21:09

General

  • Target

    94befcc84d2ab2475be5fedc65078786_JaffaCakes118.exe

  • Size

    100KB

  • MD5

    94befcc84d2ab2475be5fedc65078786

  • SHA1

    c0dec084037d11443f7306001eadb4b206665265

  • SHA256

    9973d3220bb0f6d97ea55c355d195019b5bcc237a5c0958d5d6d28ce298eb85f

  • SHA512

    787b50cbb6b98235f0509308bbd5e9ddf7a455fe2b10e23d07f89da30942949f3829ab568a4eeee020b786b9f3cc2c0f90bace72dd4b76e0f3589fc2765d6d52

  • SSDEEP

    1536:yXA8iAuismywsvLw0wF9MGM9K/oKtNgCMbA1bL3N+NM5UfaNIjnZdJ:nv/KLOM5pCn/J

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\94befcc84d2ab2475be5fedc65078786_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\94befcc84d2ab2475be5fedc65078786_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:4064
    • C:\Users\Admin\laeeb.exe
      "C:\Users\Admin\laeeb.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:4248

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\laeeb.exe

    Filesize

    100KB

    MD5

    dc3dd8632c8d9247afd9b53f3f7a9e91

    SHA1

    0d904c0782d33fc88b4e18990692f4c5355ab3de

    SHA256

    7f9371f46f08835c0fdf84734ab0ed1154ed10acbb8358d34d6c528e7bfa5968

    SHA512

    f5725e3a1ea580b439ec15a8d393f56080dfe4f77901f72f631d37ef9004ae8cf8155c22d874dd41cc8a40212d36614060fc72bd5f0cb9b78e6b62e7fbe8b381