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Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06/09/2024, 15:00
Static task
static1
Behavioral task
behavioral1
Sample
cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe
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Size
138KB
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MD5
cfced6122299fa02d99b39e18f78b95a
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SHA1
a7ea0dc390414050f54e058727b9a658e2c484b0
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SHA256
fab66cf9fc61dc2ffefaa459fe6b8dafdddf1df97e8163d2c6d7cd7e150458af
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SHA512
d1d247a3f54f7405a40b15e887721f6396d1fee67c3831d109516a1f46fe6a974d54248ba8d0662579116faabc63965fe7be1a92a825f3700bb54433fb9d51dc
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SSDEEP
3072:1avMtMjF1EiROEbD7StLcP7pzsXla5i8Q0ysUKe:1S+kwEzSB07pz/5iP0zUKe
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2780 netsh.exe -
Drops startup file 4 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\iwchl.exe cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\iwchl.exe cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\iwchl.exe kjlpxi.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\iwchl.exe kjlpxi.exe -
Executes dropped EXE 2 IoCs
pid Process 2856 kjlpxi.exe 2696 kjlpxi.exe -
Loads dropped DLL 1 IoCs
pid Process 1608 cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\lvaypyrc = "C:\\Users\\Admin\\AppData\\Local\\kjlpxi.exe" kjlpxi.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\lvaypyrc = "C:\\Users\\Admin\\AppData\\Local\\kjlpxi.exe" cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\lvaypyrc = "C:\\Users\\Admin\\AppData\\Local\\kjlpxi.exe" cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\lvaypyrc = "C:\\Users\\Admin\\AppData\\Local\\kjlpxi.exe" kjlpxi.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2100 set thread context of 1608 2100 cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe 31 PID 2856 set thread context of 2696 2856 kjlpxi.exe 34 -
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 5 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 cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language kjlpxi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language kjlpxi.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2100 wrote to memory of 1608 2100 cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe 31 PID 2100 wrote to memory of 1608 2100 cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe 31 PID 2100 wrote to memory of 1608 2100 cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe 31 PID 2100 wrote to memory of 1608 2100 cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe 31 PID 2100 wrote to memory of 1608 2100 cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe 31 PID 2100 wrote to memory of 1608 2100 cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe 31 PID 2100 wrote to memory of 1608 2100 cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe 31 PID 2100 wrote to memory of 1608 2100 cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe 31 PID 1608 wrote to memory of 2780 1608 cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe 32 PID 1608 wrote to memory of 2780 1608 cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe 32 PID 1608 wrote to memory of 2780 1608 cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe 32 PID 1608 wrote to memory of 2780 1608 cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe 32 PID 1608 wrote to memory of 2856 1608 cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe 33 PID 1608 wrote to memory of 2856 1608 cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe 33 PID 1608 wrote to memory of 2856 1608 cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe 33 PID 1608 wrote to memory of 2856 1608 cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe 33 PID 2856 wrote to memory of 2696 2856 kjlpxi.exe 34 PID 2856 wrote to memory of 2696 2856 kjlpxi.exe 34 PID 2856 wrote to memory of 2696 2856 kjlpxi.exe 34 PID 2856 wrote to memory of 2696 2856 kjlpxi.exe 34 PID 2856 wrote to memory of 2696 2856 kjlpxi.exe 34 PID 2856 wrote to memory of 2696 2856 kjlpxi.exe 34 PID 2856 wrote to memory of 2696 2856 kjlpxi.exe 34 PID 2856 wrote to memory of 2696 2856 kjlpxi.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Users\Admin\AppData\Local\Temp\cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\cfced6122299fa02d99b39e18f78b95a_JaffaCakes118.exe2⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1608 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram 1.exe 1 ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2780
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C:\Users\Admin\AppData\Local\kjlpxi.exe"C:\Users\Admin\AppData\Local\kjlpxi.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856 -
C:\Users\Admin\AppData\Local\kjlpxi.exeC:\Users\Admin\AppData\Local\kjlpxi.exe4⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:2696
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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
1Replay Monitor
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Downloads
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Filesize
138KB
MD5cfced6122299fa02d99b39e18f78b95a
SHA1a7ea0dc390414050f54e058727b9a658e2c484b0
SHA256fab66cf9fc61dc2ffefaa459fe6b8dafdddf1df97e8163d2c6d7cd7e150458af
SHA512d1d247a3f54f7405a40b15e887721f6396d1fee67c3831d109516a1f46fe6a974d54248ba8d0662579116faabc63965fe7be1a92a825f3700bb54433fb9d51dc