Analysis

  • max time kernel
    140s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/08/2024, 20:51

General

  • Target
    9b8f96489ef491a4378ae2552ee9950f_JaffaCakes118.exe
  • Size 256KB
  • Sample240815-zm8q2stdmh
  • SHA256 5852e0b1479d914e16a2f1cf21d61ff4e1f3d35b6fa5dbcf0055cfc2c9a89936
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b8f96489ef491a4378ae2552ee9950f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9b8f96489ef491a4378ae2552ee9950f_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Users\Admin\AppData\Local\Temp\9b8f96489ef491a4378ae2552ee9950f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\9b8f96489ef491a4378ae2552ee9950f_JaffaCakes118.exe"
      2⤵
        PID:4416

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          vksn.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsb7BE8.tmp\vksn.dll
          • Size 20KB
          • SHA256 e203779a905288614ca814693eaf5841c2213ca6c9f2e6d127accbaf69e84c32
          • MD5 SHA1 SHA512 SSDEEP

          memory/4928-5-0x0000000010000000-0x0000000010009000-memory.dmp