Analysis

  • max time kernel
    150s
  • max time network
    150s
  • 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, 10:14

General

  • Target

    bb51612d1edb35df080028dd1aac589b_JaffaCakes118.exe

  • Size

    60KB

  • MD5

    bb51612d1edb35df080028dd1aac589b

  • SHA1

    8f8b36318f7501ddf2677098a654e18716557257

  • SHA256

    99d181e2a001720a2d65ea977993ab525135e652961f7d74e64422f018ba6a17

  • SHA512

    954bf235706157abe469dcf026e2f7d53948e76bee8b3716475904b1f377f19f38f2509f97c0b9649ade71422b8b1bc1837e9076cc1cbd0f89f7270b1ba8226b

  • SSDEEP

    768:+7SpCTLYxhIPBryUmU6tI4UBndTaDyNMRzEQU5e3bw1o+ZuW4Vr:+7ZPGidjCCndTuyNMS3cw1o+ZsVr

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\bb51612d1edb35df080028dd1aac589b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bb51612d1edb35df080028dd1aac589b_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Users\Admin\nlxis.exe
      "C:\Users\Admin\nlxis.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:396

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\nlxis.exe

          Filesize

          60KB

          MD5

          17318bd29379faca3fc117bd55d671b8

          SHA1

          f3fb37b7ccc05e3eda69315ff90cbaf2c43beb64

          SHA256

          817ac8bfb58619715184db0654b860d519fe86a8a8c7345566bdd10eecffcaa2

          SHA512

          bfd0c2c74190b3e8ddd0dc8b4c44566fdbcf9e7a132fe9e08c55d4eac577f0f7492980a2460723b91ddf294d15e005b77176ab153d6ee13e8ec7071724925341