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Analysis
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max time kernel
140s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08/10/2024, 21:17
Behavioral task
behavioral1
Sample
25965e3944bcebbe61b878d56378d72b_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
25965e3944bcebbe61b878d56378d72b_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
25965e3944bcebbe61b878d56378d72b_JaffaCakes118.exe
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Size
7KB
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MD5
25965e3944bcebbe61b878d56378d72b
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SHA1
4843a8179534d1045408b9cca4a5c81f66a7eb6e
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SHA256
0ed74b54a8a924cf0cea1fdeaa176808780c58a9c99b048ef06c52e9e3dd6e03
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SHA512
4c7aa5a5327ae7269e495db017c60387f6936c377b724c144baa02c8adafd6431b4397f6f4a2d1480f531125a8e498f6c0d3644411f72bd78a98b1af804c570e
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SSDEEP
96:e60JK3QwseKYNxeTNkkT/wN2ezPfSZBYzTNUdpKou1/emz9deb8L0:e6SKRIYeTNkkYcBCJKkp1/59deQY
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 2972 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" 25965e3944bcebbe61b878d56378d72b_JaffaCakes118.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\kernels8.exe 25965e3944bcebbe61b878d56378d72b_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\dlh9jkdq8.exe 25965e3944bcebbe61b878d56378d72b_JaffaCakes118.exe File created C:\Windows\SysWOW64\kernels8.exe 25965e3944bcebbe61b878d56378d72b_JaffaCakes118.exe -
resource yara_rule behavioral2/memory/2760-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2760-2-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2760-21-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2760-28-0x0000000000400000-0x000000000040B000-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 opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \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 25965e3944bcebbe61b878d56378d72b_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 2760 wrote to memory of 2972 2760 25965e3944bcebbe61b878d56378d72b_JaffaCakes118.exe 91 PID 2760 wrote to memory of 2972 2760 25965e3944bcebbe61b878d56378d72b_JaffaCakes118.exe 91 PID 2760 wrote to memory of 2972 2760 25965e3944bcebbe61b878d56378d72b_JaffaCakes118.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\25965e3944bcebbe61b878d56378d72b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\25965e3944bcebbe61b878d56378d72b_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:2760 -
C:\Windows\SysWOW64\netsh.exenetsh firewall set allowedprogram 'C:\Users\Admin\AppData\Local\Temp\25965e3944bcebbe61b878d56378d72b_JaffaCakes118.exe' enable2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2972
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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