Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/04/2024, 09:57

General

  • Target
    b554fe2ca38801068bda4808f03a9f19_JaffaCakes118.exe
  • Size 2.4MB
  • Sample240404-lzdjsace85
  • SHA256 9a6b5f7a0086cacfc765ffd2bd404a4dc3c398aeee8ae86ff5391c27bb2c5187
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops autorun.inf file 1 TTPs 1 IoCs

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

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b554fe2ca38801068bda4808f03a9f19_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b554fe2ca38801068bda4808f03a9f19_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:5088

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        patcher.exe$

        • Path C:\905c0769f9a06c95a24ddf945\patcher.exe$
        • Size 2.4MB
        • SHA256 9a6b5f7a0086cacfc765ffd2bd404a4dc3c398aeee8ae86ff5391c27bb2c5187
        • MD5 SHA1 SHA512 SSDEEP

        memory/5088-0-0x0000000000400000-0x000000000040D000-memory.dmp