Analysis
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max time kernel
140s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31-10-2024 08:30
Behavioral task
behavioral1
Sample
82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe
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Size
7KB
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MD5
82780652973529f2e958bebc80e9c4b0
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SHA1
b5185958adce4a7ffcb17084b883c6c8ea31a585
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SHA256
1ab540a123dfdaea8444e33d297375caafb3c272c494492dcb93d1f2e6d909f0
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SHA512
ff0708cfb93180ba5a58a999e251d673fa85ce51a2298c090cca3f93171727fd6b58aa2f6fcff528798cddfe92ff1af106b2ff73cbe9b7ad6d0b6a21ca88d366
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SSDEEP
96:B7paruGEnnQ1TVJ8JV39/Q6kAvUAvzbxGx/0KGg5sZiU/D5wlwB/NV:B7pDGAT9/Q+rbMKZiWAwBlV
Malware Config
Signatures
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Disables Task Manager via registry modification
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2040 netsh.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\kernels8.exe" 82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\kernels8.exe 82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\dlh9jkdq8.exe 82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe File created C:\Windows\SysWOW64\kernels8.exe 82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe -
resource yara_rule behavioral2/memory/3856-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3856-2-0x0000000000400000-0x000000000040B000-memory.dmp upx -
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.
description ioc Process Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3856 wrote to memory of 2040 3856 82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe 84 PID 3856 wrote to memory of 2040 3856 82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe 84 PID 3856 wrote to memory of 2040 3856 82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3856 -
C:\Windows\SysWOW64\netsh.exenetsh firewall set allowedprogram 'C:\Users\Admin\AppData\Local\Temp\82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe' enable2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2040
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1