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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
    29/09/2024, 00:52

General

  • Target

    fd7b8cbb361e2c2ea3cf4ffe73c486c5_JaffaCakes118.exe

  • Size

    88KB

  • MD5

    fd7b8cbb361e2c2ea3cf4ffe73c486c5

  • SHA1

    3fa63a2074b4aac228a9ddaba2f7858ae720d1d0

  • SHA256

    a1e85c2367d8d120742d665601e03e452873e6b67ac9e5d81cfd25b9584071ef

  • SHA512

    8281f2b10713373e71e7ac5b889bfe7d65ec3fde38de4bb6e3833d9c75cf6c28a166221ff1aecf68eb4672287ffc126ea3ea3a4824c0105d2fd2074abd024283

  • SSDEEP

    768:dDFICtwgJRaaq2AOa6TnwVDZ1RO8YSEQJt1H7a8jFk+Zxqfcwlkpw:XIED7YzDZ16SEQJjZx0cwlMw

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\fd7b8cbb361e2c2ea3cf4ffe73c486c5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd7b8cbb361e2c2ea3cf4ffe73c486c5_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Users\Admin\laueyab.exe
      "C:\Users\Admin\laueyab.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:4844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\laueyab.exe

    Filesize

    88KB

    MD5

    9827e3793c4d51a2436ca6c86eb6c543

    SHA1

    04b264baa503743b2c6a2f45c6428ac5cc986f0b

    SHA256

    1a03786bc317ec73d07d6749c9e9cb91cd54863cdb8ed86acbfd050b7f1dd323

    SHA512

    1bfba6a1d6dc2ef7b8cb96cf0f8547a794734245c5c4b1754b7ef3f97d154f7f9bd1918018689b5f35eee220667072de2c09464d9bd93a09b6fda314414ad60e