Analysis
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max time kernel
7s -
max time network
2s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
11-08-2024 19:22
Static task
static1
Behavioral task
behavioral1
Sample
8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe
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Size
648KB
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MD5
8ba740eec0c2d10940e2689074634ab2
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SHA1
dbdcb942efc8bd3655189b58481da161bf94ea3f
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SHA256
b134af6f260a2925e22d0f3f97d7cb8dd59e8f63e1cc95f73bf1f5c98e507438
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SHA512
372a494fda1bfc3fd48a176195a69d6e0779407b93c25b7ebe8479d46fb9e4d825c2dac39b12d983e20a9eac7b8c8fcdd6082c6e189c554abd8f8148190bfa43
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SSDEEP
12288:7iHaJtaX0WBgQNNlAXk+aiptW5v9edN1gFAbdYQl:7iHAw9zn+qI+Ql
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\WINDOWS\\winlogon.exe" 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe -
Modifies firewall policy service 3 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\WINDOWS\winlogon.exe = "C:\\WINDOWS\\winlogon.exe" 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\mswinlogon = "C:\\WINDOWS\\mswinlogon.exe" 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\systemupdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe" 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\WINDOWS\SysWOW64\MSWINSCK.OCX 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.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 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe -
Modifies registry class 7 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FC0F1AF-B66B-1061-1756-2D6578A0EA45} 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FC0F1AF-B66B-1061-1756-2D6578A0EA45}\ = "Contact Management Module" 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FC0F1AF-B66B-1061-1756-2D6578A0EA45}\Verb 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FC0F1AF-B66B-1061-1756-2D6578A0EA45}\Verb\0 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FC0F1AF-B66B-1061-1756-2D6578A0EA45}\Verb\0\ = "&Edit,0,2" 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FC0F1AF-B66B-1061-1756-2D6578A0EA45}\Verb\1 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8FC0F1AF-B66B-1061-1756-2D6578A0EA45}\Verb\1\ = "&Open,0,2" 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: 33 2764 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2764 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe Token: 33 2764 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2764 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2764 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2756 wrote to memory of 2764 2756 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe 30 PID 2756 wrote to memory of 2764 2756 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe 30 PID 2756 wrote to memory of 2764 2756 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe 30 PID 2756 wrote to memory of 2764 2756 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe 30 PID 2756 wrote to memory of 2764 2756 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe 30 PID 2756 wrote to memory of 2764 2756 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe 30 PID 2756 wrote to memory of 2764 2756 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe 30 PID 2756 wrote to memory of 2764 2756 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe 30 PID 2756 wrote to memory of 2764 2756 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe 30 PID 2756 wrote to memory of 2764 2756 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe 30 PID 2756 wrote to memory of 2764 2756 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe 30 PID 2756 wrote to memory of 2764 2756 8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756 -
C:\Users\Admin\AppData\Local\Temp\8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe"2⤵
- Modifies WinLogon for persistence
- Modifies firewall policy service
- Checks BIOS information in registry
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2764
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
3