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Analysis

  • max time kernel
    7s
  • max time network
    8s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/08/2024, 03:41

Errors

Reason
Machine shutdown

General

  • Target

    84ad31d833ad535522ac457ca3c23475_JaffaCakes118.exe

  • Size

    286KB

  • MD5

    84ad31d833ad535522ac457ca3c23475

  • SHA1

    e41f1bfc8994b0594b44fe03cdd60317fcf17a6b

  • SHA256

    924f888dbcf5ce142b2a89f5eea32448b34bcf3e6e0157d9984ac4d09fba4c7a

  • SHA512

    e47ecdebe2f327dcf3cddfa601567a38fa08567270fd4ca0176b39c757270ede1ea182ccc8c9955721bae3f2e7064c421a2f5adbc270837bad15a1f0d40e12b9

  • SSDEEP

    6144:/T9QlO9H99gP1u7FKcRqflxuGhTBcVlr3D:BQlO9HL/7FKlfzhTOl7D

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84ad31d833ad535522ac457ca3c23475_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\84ad31d833ad535522ac457ca3c23475_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall add allowedprogram program = C:\WINDOWS\system32\drivers\Descompacx.exe name = \Descompacx.exe mode = ENABLE scope = ALL profile = ALL
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:3568
    • C:\Windows\SysWOW64\shutdown.exe
      "C:\Windows\System32\shutdown.exe" -r -f -t 00
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1756
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa39b8855 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:4620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1688-0-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB