Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 13:30

General

  • Target

    cd41210fd5842246730ea806cd312b2d_JaffaCakes118.exe

  • Size

    172KB

  • MD5

    cd41210fd5842246730ea806cd312b2d

  • SHA1

    f6fc62d692bd43c070ec5715909a192f97f26c54

  • SHA256

    123ec919207604d2f08ad9419ce7d1ba7112009973796835c5bc86152830dc2c

  • SHA512

    8d6868c8594c44082d133c4d6f22c497db1a174f30a6818b71e6e630b9b2aa847a2d78af10017403b87fd95457119f65c6d629152832e32ee8efac8346986218

  • SSDEEP

    3072:doixrduqW9Goin4lZoD9d16zVfMZ2KKNRdTaB:mW5jOA96xrRd

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Metasploit family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Looks for VMWare Tools registry key 2 TTPs 2 IoCs
  • Modifies Windows Firewall 2 TTPs 5 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 5 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 5 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 15 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 7 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 63 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd41210fd5842246730ea806cd312b2d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cd41210fd5842246730ea806cd312b2d_JaffaCakes118.exe"
    1⤵
    • Looks for VMWare Tools registry key
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1860
  • C:\Windows\Fonts\wmsncs.exe
    "C:\Windows\Fonts\wmsncs.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies firewall policy service
    • Modifies security service
    • Windows security bypass
    • Boot or Logon Autostart Execution: Active Setup
    • Looks for VMWare Tools registry key
    • Deletes itself
    • Executes dropped EXE
    • Windows security modification
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set portopening TCP 1013 BS
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2704
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set portopening TCP 8080 PORT1
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2708
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set portopening TCP 8081 PORT2
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2960
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall add allowedprogram "C:\Windows\Fonts\wmsncs.exe" workstation ENABLE ALL
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2668
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set allowedprogram "C:\Windows\Fonts\wmsncs.exe" workstation ENABLE ALL
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Fonts\wmsncs.exe

    Filesize

    172KB

    MD5

    cd41210fd5842246730ea806cd312b2d

    SHA1

    f6fc62d692bd43c070ec5715909a192f97f26c54

    SHA256

    123ec919207604d2f08ad9419ce7d1ba7112009973796835c5bc86152830dc2c

    SHA512

    8d6868c8594c44082d133c4d6f22c497db1a174f30a6818b71e6e630b9b2aa847a2d78af10017403b87fd95457119f65c6d629152832e32ee8efac8346986218

  • memory/1072-24-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

  • memory/1072-111-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

  • memory/1072-6-0x0000000000220000-0x0000000000222000-memory.dmp

    Filesize

    8KB

  • memory/1072-5-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

  • memory/1072-167-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

  • memory/1072-157-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

  • memory/1072-34-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

  • memory/1072-44-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

  • memory/1072-67-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

  • memory/1072-101-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

  • memory/1072-121-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

  • memory/1860-1-0x0000000000230000-0x0000000000232000-memory.dmp

    Filesize

    8KB

  • memory/1860-0-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

  • memory/1860-7-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB