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Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/07/2024, 04:29

General

  • Target

    770e7bfd96b2b6efdddd6a74c92eebae_JaffaCakes118.exe

  • Size

    193KB

  • MD5

    770e7bfd96b2b6efdddd6a74c92eebae

  • SHA1

    cb35b8021ac0d97bc8daa134136d8084f271daca

  • SHA256

    30015cc3979bd924434bc140c43e72496b059c99016f7b7a24407f99d34bf7e6

  • SHA512

    e933d9fe383d6d20812aa3bf78d5220ad30046a05618c39d88a0ccd0ca01557470629720f22fe2bb8798c021e4d59158e6be75521a0728bdca6ed1c63726dbf0

  • SSDEEP

    6144:ZolYTub5rrFOt4ayMvz58xJ4Fcj8oQVDN/:bJttuaFccV

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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\770e7bfd96b2b6efdddd6a74c92eebae_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\770e7bfd96b2b6efdddd6a74c92eebae_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1220
    • C:\Users\Admin\naful.exe
      "C:\Users\Admin\naful.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:1424

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\naful.exe

    Filesize

    193KB

    MD5

    5b51158ee502c8ca5051743ce2eadc49

    SHA1

    74801d826abb92b529751101f30b774f8e8bd0d5

    SHA256

    3f6cd7c60d97a370411f79d237abff99617d8cc0284627e29955a13e0624ffd1

    SHA512

    222533246f2e62361965a98d605f4202f085f0dc9ec9dfede2858e160caa3820617e413b2820d79177837576e0098884cfc65d5809f9ab8b80cb1e3bb4e8b437