Analysis

  • max time kernel
    94s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/07/2024, 10:07

General

  • Target
    4dd85898431ed1703d2ecd57ca786bef_JaffaCakes118.exe
  • Size 165KB
  • Sample240716-l52tkaxcqj
  • SHA256 82b5b648494fe8d3e1ba16ef27bbd9e8f4b6652f827dc62cd60945d65b5dc861
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4dd85898431ed1703d2ecd57ca786bef_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4dd85898431ed1703d2ecd57ca786bef_JaffaCakes118.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Enumerates connected drives
    • Drops autorun.inf file
    • Suspicious behavior: EnumeratesProcesses
    PID:836
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 836 -s 720
      2⤵
      • Program crash
      PID:1332
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 836 -ip 836
    1⤵
      PID:952

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          autorun.inf

          • Path C:\autorun.inf
          • Size 126B
          • SHA256 7780bee9df142a17e0457f3dcb2788b50fc2792370089335597d33719126fb7e
          • MD5 SHA1 SHA512

          memory/836-0-0x0000000000400000-0x000000000041A000-memory.dmp

          memory/836-17-0x0000000000400000-0x000000000041A000-memory.dmp