Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/10/2024, 04:01

General

  • Target
    161337d3ffd09408a54f615ee3c1116f_JaffaCakes118.dll
  • Size 104KB
  • Sample241005-ele25aydnd
  • SHA256 dffdeda62abe601e86fdc4a95d710daa9ce5bdd2b8ebdd9f62fd664f2a3ef032
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 9 IoCs
  • Drops file in System32 directory 1 IoCs
  • Program crash 2 IoCs
  • 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 WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\161337d3ffd09408a54f615ee3c1116f_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\161337d3ffd09408a54f615ee3c1116f_JaffaCakes118.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2132
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2356
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 92
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:2200
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 224
        3⤵
        • Program crash
        PID:2232

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        rundll32mgr.exe

        • Path \Windows\SysWOW64\rundll32mgr.exe
        • Size 54KB
        • SHA256 5675295a26c3839803fd25fb667f2be09c2b6bf3412202a09c3dfc9a46eb4ca4
        • MD5 SHA1 SHA512 SSDEEP

        memory/2132-1-0x000000006D240000-0x000000006D25A000-memory.dmp

        memory/2132-8-0x000000006D240000-0x000000006D25A000-memory.dmp

        memory/2132-17-0x000000006D240000-0x000000006D25A000-memory.dmp