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Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2024, 17:43

General

  • Target

    43696d378d5f8cbcd63980256de7ea95_JaffaCakes118.exe

  • Size

    156KB

  • MD5

    43696d378d5f8cbcd63980256de7ea95

  • SHA1

    ad9303999e7e6460bc0c2a9fa8c84ddc2d898532

  • SHA256

    bcce83ac299c527193d5fe950459f0e0882d3f6c5b65dd591d2401f4d0e134ec

  • SHA512

    e8a5da5984035074c34e86f316b2655f364f60bd32fbecf502b14d00557ffd79bec6f7177df6a15a97c9b2072871098238b5ada60926bae17f6301de8818ed95

  • SSDEEP

    3072:IxRnDefUkuUx/loYl36iqlekwohWv6pcDordSB4oQZiEQo+:uJ0Uk/dlb+wohQxDomWu

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\43696d378d5f8cbcd63980256de7ea95_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\43696d378d5f8cbcd63980256de7ea95_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:3692
    • C:\Users\Admin\zuauke.exe
      "C:\Users\Admin\zuauke.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:2796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\zuauke.exe

    Filesize

    156KB

    MD5

    9cd8de4ceb52029710f5ff517bddfd87

    SHA1

    3c293e765a2ef16c984bb6f1837776f29c8908ae

    SHA256

    473dc82cafeb4f4c73a8b546ef7e492e6040d2cf340aa248b21c19fa5b946b5b

    SHA512

    0532b5034265a8ec2ce5f118bf5a85a73c2b625f72276dea8deb8a85143d7d5bee0b6291a8cc252fd48e96613833b342eb633201b48edfa102f54f2c477120c1