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Analysis

  • max time kernel
    134s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2024, 12:18

General

  • Target

    c8cd7c53626edbe78223cb22ca345c83_JaffaCakes118.exe

  • Size

    424KB

  • MD5

    c8cd7c53626edbe78223cb22ca345c83

  • SHA1

    952caf4f641254b80e7f0448ff336ee4781e16ec

  • SHA256

    5abf0c1be3e56362c64e099a82116c1e77c0829c13b8a64059a184099d38edc4

  • SHA512

    89eda342a7a372608a2df0e55c94f2206050ba3b8445f7c71da27f537a10f4915ed84a03ec6dd364e89687c84bb2245024408dbea4402c95209c86445a097aec

  • SSDEEP

    6144:JmkgOl+6AQhh/yNVelznR2W5nWP+kldviQKVPw8IHdNDO28Ow6MpRjR5wwr89LMU:JrgOLnlzR2OnWFitahi2RYRjRXIP4OP

Malware Config

Signatures

  • 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 2 IoCs
  • Drops file in Program Files directory 2 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 use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8cd7c53626edbe78223cb22ca345c83_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c8cd7c53626edbe78223cb22ca345c83_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Program Files (x86)\StarNetTray.exe
      "C:\Program Files (x86)\StarNetTray.exe" /p
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:1852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\StarNetTray.exe

    Filesize

    424KB

    MD5

    c8cd7c53626edbe78223cb22ca345c83

    SHA1

    952caf4f641254b80e7f0448ff336ee4781e16ec

    SHA256

    5abf0c1be3e56362c64e099a82116c1e77c0829c13b8a64059a184099d38edc4

    SHA512

    89eda342a7a372608a2df0e55c94f2206050ba3b8445f7c71da27f537a10f4915ed84a03ec6dd364e89687c84bb2245024408dbea4402c95209c86445a097aec

  • memory/1852-14-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2988-0-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2988-13-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB