Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    16/10/2024, 23:28

General

  • Target

    4f9af739eacdce8f0718a9c143dda17e_JaffaCakes118.exe

  • Size

    20KB

  • MD5

    4f9af739eacdce8f0718a9c143dda17e

  • SHA1

    e126d827664fab5880adc1acc3c2662ce28ac52b

  • SHA256

    6da1745755cd6995f1522742516f2e19349528e56e3e8db98e04f5ab6f235153

  • SHA512

    c51251f93106c0679c04f2b75e78111e2b359521fc4fdb55655c9402b332d37602256ec77cdbea3ab3f4155398183a63b33dc8e5afcd6a10a62db0645c1255fa

  • SSDEEP

    384:nFlBur9q5LyQM3Lur5tFExhk6/cV3zcVcYbPXxF360v9cUnr6P:J6uM7S5tFCk6ErYbZl6TUU

Malware Config

Signatures

  • Program crash 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of SetThreadContext 1 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f9af739eacdce8f0718a9c143dda17e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4f9af739eacdce8f0718a9c143dda17e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"
      2⤵
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1056
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1056 -s 156
        3⤵
        • Program crash
        PID:2316

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1056-2-0x0000000013140000-0x00000000131E8000-memory.dmp

          Filesize

          672KB

        • memory/2100-0-0x0000000014140000-0x0000000014149000-memory.dmp

          Filesize

          36KB

        • memory/2100-1-0x0000000014140000-0x0000000014149000-memory.dmp

          Filesize

          36KB