Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/08/2024, 00:41

General

  • Target

    b9b2ad3870599bc1610affade03d3814_JaffaCakes118.exe

  • Size

    169KB

  • MD5

    b9b2ad3870599bc1610affade03d3814

  • SHA1

    82bb8c54aea00fa14a82543621bdbbacf3693180

  • SHA256

    5cb585e3a81891a2d9c5d4a24e4084cb0e41ee46f214802a4d53a753c6a78318

  • SHA512

    2f0bdf39e9bfd866bebade88d4eb3fff46b89860ee19a30a2de655b71f4c498a5e0b47544e610babbc9db14bc3bf2c11f97760227907b84c9486914d3f20af88

  • SSDEEP

    1536:ZbHwOBRXwx2ibTmQXMXBvUR5bOxyUpWaarEk:9LYxYQ5OxyUI5

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\b9b2ad3870599bc1610affade03d3814_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b9b2ad3870599bc1610affade03d3814_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3176
    • C:\Users\Admin\yaoujaz.exe
      "C:\Users\Admin\yaoujaz.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:1208

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\yaoujaz.exe

          Filesize

          169KB

          MD5

          c36cef688a67aed8370d4f8cb6a060db

          SHA1

          ebb4810dda684d9a702ca92b02ef15f5d58c6d50

          SHA256

          a37ed8d2ef7909c80de658d8b6d19039165ddcecc93901e9676796f1450ab97f

          SHA512

          4054780177f34d2cc7edbbd6781a6d54571e57bb4f61b8c0e49d887c543d2a2059626d686c12376aef24d0d5d6322767f1894b2497604d8d4b0aa2c8e0ca5e68