Analysis
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max time kernel
150s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
29/08/2024, 17:55
Static task
static1
Behavioral task
behavioral1
Sample
c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe
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Size
3.5MB
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MD5
c953222f86f5148c82825b3f4d948977
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SHA1
dce82a6b2bd843eea0abeb4ef83ba8fc8c5db608
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SHA256
f511e3a06796a1e2fd43ef59808dc03609b0e38c616ed563536e8d3a95c20c02
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SHA512
c077935401fbeb3afe3564beddee8be9b3ef61c7caae4ceb778c5f2cf71edecf38caec480390f19cea7a8751b29783ff73a242e4838e8da61420fc996150e5c8
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SSDEEP
98304:zbyTascPJTCDjHhwshkU2tkfCYF3szta67p:zWaHJGXctq12a67
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2672 netsh.exe -
Uses Session Manager for persistence 2 TTPs 3 IoCs
Creates Session Manager registry key to run executable early in system boot.
description ioc Process Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SESSION MANAGER\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000 reg.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SESSION MANAGER\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000 reg.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet002\Control\Session Manager\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000 reg.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\Windows32 = "C:\\windows\\system\\system.exe" c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created \??\c:\windows\SysWOW64\autoconvv.RRI c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe File opened for modification \??\c:\windows\SysWOW64\autoconvv.RRI c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe File created C:\Windows\SysWOW64\reg_0001.txt c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\system32AntiDelete c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2748 sc.exe -
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 6 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 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2688 wrote to memory of 2748 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 30 PID 2688 wrote to memory of 2748 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 30 PID 2688 wrote to memory of 2748 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 30 PID 2688 wrote to memory of 2748 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 30 PID 2688 wrote to memory of 2768 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 31 PID 2688 wrote to memory of 2768 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 31 PID 2688 wrote to memory of 2768 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 31 PID 2688 wrote to memory of 2768 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 31 PID 2688 wrote to memory of 2776 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 32 PID 2688 wrote to memory of 2776 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 32 PID 2688 wrote to memory of 2776 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 32 PID 2688 wrote to memory of 2776 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 32 PID 2688 wrote to memory of 2928 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 33 PID 2688 wrote to memory of 2928 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 33 PID 2688 wrote to memory of 2928 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 33 PID 2688 wrote to memory of 2928 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 33 PID 2688 wrote to memory of 2672 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 35 PID 2688 wrote to memory of 2672 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 35 PID 2688 wrote to memory of 2672 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 35 PID 2688 wrote to memory of 2672 2688 c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c953222f86f5148c82825b3f4d948977_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Windows\SysWOW64\sc.exesc delete GbpSv2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2748
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C:\Windows\SysWOW64\reg.exereg add "HKLM\SYSTEM\ControlSet001\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f2⤵
- Uses Session Manager for persistence
- System Location Discovery: System Language Discovery
PID:2768
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C:\Windows\SysWOW64\reg.exereg add "HKLM\SYSTEM\ControlSet002\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f2⤵
- Uses Session Manager for persistence
- System Location Discovery: System Language Discovery
PID:2776
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C:\Windows\SysWOW64\reg.exereg add "HKLM\SYSTEM\CurrentControlSet\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f2⤵
- Uses Session Manager for persistence
- System Location Discovery: System Language Discovery
PID:2928
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram C:\windows\system\system.exe RPCCC2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2672
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1