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Analysis
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max time kernel
140s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2024, 11:54
Behavioral task
behavioral1
Sample
39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe
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Size
7KB
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MD5
39e02661e74b5f26fd55d3fa28edad72
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SHA1
fe18f39d5b6fe715683dbd31ace63dd727307de2
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SHA256
01de61cc3cca45624dfd3212276affe21713570fc482e324eee42c72d640cc25
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SHA512
a9f0ea180dc4c6b43d537c6ae3239edfb2fc92fb88daa14eafa35bf7228b44b9c1e0b05b06e1b3d8e4276b979fd184bd791408e051bf2ca430916f5bb7c8635a
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SSDEEP
96:4ZhrLnP/ewdmFWaSQEYOCSmG757WNE5CwYinabrr0xjww0Dt/8PYAZAHtSeHSHqj:I/ulSQ9Q5WNEk28R/9ASHkVwZ
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 3336 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" 39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\dlh9jkdq8.exe 39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe File created C:\Windows\SysWOW64\kernels8.exe 39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\kernels8.exe 39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe -
resource yara_rule behavioral2/memory/1572-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1572-2-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1572-9-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1572-26-0x0000000000400000-0x000000000040B000-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 39e02661e74b5f26fd55d3fa28edad72_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 1572 wrote to memory of 3336 1572 39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe 90 PID 1572 wrote to memory of 3336 1572 39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe 90 PID 1572 wrote to memory of 3336 1572 39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\39e02661e74b5f26fd55d3fa28edad72_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:1572 -
C:\Windows\SysWOW64\netsh.exenetsh firewall set allowedprogram 'C:\Users\Admin\AppData\Local\Temp\39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe' enable2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:3336
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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