Analysis

  • max time kernel
    139s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-06-2024 20:16

General

  • Target

    0f61ca8106f401101ef017bd831372f8_JaffaCakes118.dll

  • Size

    292KB

  • MD5

    0f61ca8106f401101ef017bd831372f8

  • SHA1

    4bed4d81cb96041910ce33964df18b8b28779e08

  • SHA256

    5df350657eedcff52b60a9aa497fa19cffefe140b54ba9b23fa299111fdbf1fe

  • SHA512

    efccf0e5821cded5f9c9adea1692f0196204e6eacf57fd4425cf966a7a73e6ac6e94ac8d05003132331edaa331371c96bf0c387e4932a9624fc8c7889b12a8b9

  • SSDEEP

    6144:V0D3yTjQbErlrUJV6RhxNQBDOi5uHStL6XZW8b:GD3Kj5rlaIRqwHStLEIW

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f61ca8106f401101ef017bd831372f8_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3628
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f61ca8106f401101ef017bd831372f8_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1728
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        PID:3964
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 424
          4⤵
          • Program crash
          PID:3152
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3964 -ip 3964
    1⤵
      PID:4008

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\rundll32mgr.exe

      Filesize

      160KB

      MD5

      51a7b8e6dde65bdc6db16675e8e4efb2

      SHA1

      04be1eef924fe57a3a2f9a93dd1458283366242f

      SHA256

      a9c5a28460510e5a620bb2683361b899928730b34534e5774c0221081c15d4ce

      SHA512

      ee7fcc988ae337548e04595f574f1c68d3f2e80020d4e7be6a9dea967ad18f3262c8eced03e6ee914d248e4a51e58190ad9a761f7ad97dda7aee8531511306e2

    • memory/1728-1-0x0000000010000000-0x000000001004A000-memory.dmp

      Filesize

      296KB