Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2024 05:14

General

  • Target

    c6121682f0df6ec10c470fbc4d65bf48_JaffaCakes118.exe

  • Size

    151KB

  • MD5

    c6121682f0df6ec10c470fbc4d65bf48

  • SHA1

    83a8cf58ed6937380bcac160202becd148d6bef2

  • SHA256

    062d3b9e6fe74d35bdef0c5cfbd3297c5e513585e1985d7a831a1762fc3fc021

  • SHA512

    0f3395c25cb76971c193857a05fa885ff4b8ff4d197ff28319daf440ca258e066c098d4b8227af4a8f3620387d179c0c668e16dfeab80f9f1ea3f55d7bb880cd

  • SSDEEP

    3072:Z9Cg/6nVnE/HxE9hWtZrm6N+z6pG9IIupTjuWC/g3WMCvPajGmg2rSi6c:Z9Cg/6nVnMxSQG7z6AWIupTj19CvmX

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 4 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6121682f0df6ec10c470fbc4d65bf48_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c6121682f0df6ec10c470fbc4d65bf48_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:2196
  • 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:1168
    • 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
      PID:4892
    • 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
      PID:844
    • 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
      PID:1924
    • 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
      PID:2092
    • 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
      PID:2356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\Fonts\wmsncs.exe

    Filesize

    151KB

    MD5

    c6121682f0df6ec10c470fbc4d65bf48

    SHA1

    83a8cf58ed6937380bcac160202becd148d6bef2

    SHA256

    062d3b9e6fe74d35bdef0c5cfbd3297c5e513585e1985d7a831a1762fc3fc021

    SHA512

    0f3395c25cb76971c193857a05fa885ff4b8ff4d197ff28319daf440ca258e066c098d4b8227af4a8f3620387d179c0c668e16dfeab80f9f1ea3f55d7bb880cd

  • memory/1168-33-0x0000000000400000-0x0000000000640000-memory.dmp

    Filesize

    2.2MB

  • memory/1168-6-0x0000000000DC0000-0x0000000000DC2000-memory.dmp

    Filesize

    8KB

  • memory/1168-20-0x0000000000400000-0x0000000000640000-memory.dmp

    Filesize

    2.2MB

  • memory/1168-43-0x0000000000400000-0x0000000000640000-memory.dmp

    Filesize

    2.2MB

  • memory/1168-66-0x0000000000400000-0x0000000000640000-memory.dmp

    Filesize

    2.2MB

  • memory/1168-100-0x0000000000400000-0x0000000000640000-memory.dmp

    Filesize

    2.2MB

  • memory/1168-110-0x0000000000400000-0x0000000000640000-memory.dmp

    Filesize

    2.2MB

  • memory/1168-123-0x0000000000400000-0x0000000000640000-memory.dmp

    Filesize

    2.2MB

  • memory/1168-153-0x0000000000400000-0x0000000000640000-memory.dmp

    Filesize

    2.2MB

  • memory/1168-166-0x0000000000400000-0x0000000000640000-memory.dmp

    Filesize

    2.2MB

  • memory/2196-1-0x00000000007E0000-0x00000000007E2000-memory.dmp

    Filesize

    8KB

  • memory/2196-7-0x0000000000400000-0x0000000000640000-memory.dmp

    Filesize

    2.2MB

  • memory/2196-0-0x0000000000400000-0x0000000000640000-memory.dmp

    Filesize

    2.2MB