Analysis

  • max time kernel
    140s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    08/07/2024, 17:32

General

  • Target

    2d37c7a4646efa79967339e435ef2f8b_JaffaCakes118.exe

  • Size

    219KB

  • MD5

    2d37c7a4646efa79967339e435ef2f8b

  • SHA1

    44b8c1f35dfeac84e6a664259908c5c4282e2db1

  • SHA256

    330f36e14dc51c710ce266d0a18e15e8f12cd078e3f95bdbbe4925ce0572de2d

  • SHA512

    6a6fa325f48b47590c3c483a85d136eb2177c988b9ae71d503f71f8e67bd9a0942b3a16b65dadb0d88016c4cc2cd4288f935dae0d97298125cd0a7ec082e7a3f

  • SSDEEP

    6144:HOwEvHbqltXFv9IUh3nhGdbNDdT8sbDc8RShZ:uwdlNz3JhGVNDdT8jhZ

Malware Config

Signatures

  • UAC bypass 3 TTPs 1 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d37c7a4646efa79967339e435ef2f8b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2d37c7a4646efa79967339e435ef2f8b_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c "reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "smss" /t reg_sz /d "C:\Users\Admin\smss.exe" /f"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2896
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "smss" /t reg_sz /d "C:\Users\Admin\smss.exe" /f
        3⤵
        • Adds Run key to start application
        PID:1656
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c "reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "EnableLUA" /t reg_dword /d "0" /f"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2456
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "EnableLUA" /t reg_dword /d "0" /f
        3⤵
        • UAC bypass
        PID:1668
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c "netsh firewall set opmode disable"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2796
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall set opmode disable
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:1572
    • C:\Users\Admin\smss.exe
      "C:\Users\Admin\smss.exe"
      2⤵
        PID:2408

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1916-4-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/1916-2-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/1916-1-0x0000000000230000-0x0000000000232000-memory.dmp

      Filesize

      8KB

    • memory/1916-0-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/2408-5-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/2408-6-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/2408-7-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/2408-8-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/2408-18-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB