Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-07-2024 11:58

General

  • Target

    607fac46ae2cccf81e3f507c33f85fc8_JaffaCakes118.exe

  • Size

    108KB

  • MD5

    607fac46ae2cccf81e3f507c33f85fc8

  • SHA1

    612770575b79ea2488d87869d43d73a51684b793

  • SHA256

    cea290aec17b33bcfd66bd8f9b3e277a145600a3f9d7fe0fbd4b65390c79a134

  • SHA512

    b3c03545fb8367ed718fbf9fe65e8f5d189211cc4a220f372bb095266bd3b6e261c9200accbf58f0180e253a5095d479cf5d224e34a96cd9d0f43e050c39eb5f

  • SSDEEP

    1536:eNWcdrmnbixviw5TV+BhpjvAowEQV4GJGXjp7tK4BkSQsVEd:LcdrmOxviwy72xGXF0J+V8

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\607fac46ae2cccf81e3f507c33f85fc8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\607fac46ae2cccf81e3f507c33f85fc8_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds Run key to start application
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\lsass.exe" CityScape Enable
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      PID:1940
    • C:\Users\Admin\AppData\Roaming\lsass.exe
      /d C:\Users\Admin\AppData\Local\Temp\607fac46ae2cccf81e3f507c33f85fc8_JaffaCakes118.exe
      2⤵
      • Modifies WinLogon for persistence
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetWindowsHookEx
      PID:544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\lsass.exe

    Filesize

    108KB

    MD5

    19e7ad6a68208175cb620cb7379ce022

    SHA1

    44e06946d7fb0a0726c4bf099f58254940ec070c

    SHA256

    4d4d464981dfa7d3fae8b1a4c13d5fa403b5da90dae3e58db71ed90a22064d6a

    SHA512

    fe3c9487ac8de8ffec6699e6192168244af00df7e5207a545a2f579a80e7fb09b69a5023c4a3eba6c00d5ada740abade45458d47f298a099e02b0206c7495f4c