Analysis

  • max time kernel
    149s
  • 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
    21/08/2024, 08:47

General

  • Target

    b2d0dd74cf2428657c960c9a1a00a579_JaffaCakes118.exe

  • Size

    168KB

  • MD5

    b2d0dd74cf2428657c960c9a1a00a579

  • SHA1

    d7b91f6c9f67e7fc3c2783dccbb48c545bcab1c0

  • SHA256

    60bfa2d01ed51ecf45e10351d16982d6983f92e75ea43f1d9d75fefff02c7570

  • SHA512

    9e6f23826b01eb0b7d035d917e00a0a920ae7d475aa4bb8c7fa123251953918302e5d5536b382b59e4e7cb934bb000ff15fb6dec8be6be48b7b291e0bea0976c

  • SSDEEP

    768:1gMUzhMnsEnBJNVVutayVpSQKjdbyo/SkL6fYYhXJwYMIifzEhELrmypL12:1gMMk7nFVDyxo/SkL6fxWFd0Ev9L12

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 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2d0dd74cf2428657c960c9a1a00a579_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b2d0dd74cf2428657c960c9a1a00a579_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3268
    • C:\Users\Admin\zaofe.exe
      "C:\Users\Admin\zaofe.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:2632

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\zaofe.exe

          Filesize

          168KB

          MD5

          7e52d55a497f8548784fef14f476ca65

          SHA1

          e89f5fffade544bb62faff4d29b8f064aaee7af5

          SHA256

          544f8d3882235c3cf70306efb7d03e70cd4caf4bbf62726d5395b1af746a2de0

          SHA512

          8f87a9b570ac8127fef4ede077109a5481bc0fa7341861a46940267d07edb6096e5a3a6f40c83f1054cddd4704e08d4f30fd825f3197f052449e2d6ef26b1585