Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/07/2024, 17:32

General

  • Target
    688ad92c68bbd4d9749ffac234552025_JaffaCakes118.exe
  • Size 249KB
  • Sample240723-v4a4wstgla
  • SHA256 df48104c58d57b4c37724ffc8d5dd9c438f9e88e894aa3b72d9ba205b10fe160
  • 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).

  • Program crash 1 IoCs
  • 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\688ad92c68bbd4d9749ffac234552025_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\688ad92c68bbd4d9749ffac234552025_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4992
    • C:\Users\Admin\AppData\Local\Temp\688ad92c68bbd4d9749ffac234552025_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\688ad92c68bbd4d9749ffac234552025_JaffaCakes118.exe"
      2⤵
        PID:1088
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 1016
        2⤵
        • Program crash
        PID:2000
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4992 -ip 4992
      1⤵
        PID:4856

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            ipesa.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nss99EF.tmp\ipesa.dll
            • Size 17KB
            • SHA256 081284ebf71edf74989bf099d886dbaba27f2460d2ac40b2b67be290731a5dce
            • MD5 SHA1 SHA512 SSDEEP