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Analysis
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max time kernel
149s -
max time network
51s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19/06/2024, 18:43
Behavioral task
behavioral1
Sample
000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe
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Size
636KB
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MD5
000406bb03366b4744852f4bac0f383c
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SHA1
ad761bf48d747d4293d24ad43a621f526b0906b3
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SHA256
8cb7b1f28da387aa0a88d4b3b4005a6497dbd244b730b8d6f0ef78e882bc6a34
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SHA512
1aa215cfa5b8324e18958234dc9364fc866b114ff35a11f7f65608bd495845f8ce137b8847a318ce9269e9c0a4bea0aad900df7ef097b47fed44fed02d92b8f4
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SSDEEP
12288:/pwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/t:xwAcu99lPzvxP+Bsz2XjWTRMQckkIXnF
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windupdt\\winupdate.exe" 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe -
Modifies firewall policy service 3 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "1" explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" explorer.exe -
Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" explorer.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" explorer.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" explorer.exe -
Disables Task Manager via registry modification
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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\SystemBiosDate 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate explorer.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 372 set thread context of 2868 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe 82 -
Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeSecurityPrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeLoadDriverPrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeSystemProfilePrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeSystemtimePrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeBackupPrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeRestorePrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeShutdownPrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeDebugPrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeUndockPrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeManageVolumePrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeImpersonatePrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: 33 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: 34 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: 35 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: 36 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2868 explorer.exe Token: SeSecurityPrivilege 2868 explorer.exe Token: SeTakeOwnershipPrivilege 2868 explorer.exe Token: SeLoadDriverPrivilege 2868 explorer.exe Token: SeSystemProfilePrivilege 2868 explorer.exe Token: SeSystemtimePrivilege 2868 explorer.exe Token: SeProfSingleProcessPrivilege 2868 explorer.exe Token: SeIncBasePriorityPrivilege 2868 explorer.exe Token: SeCreatePagefilePrivilege 2868 explorer.exe Token: SeBackupPrivilege 2868 explorer.exe Token: SeRestorePrivilege 2868 explorer.exe Token: SeShutdownPrivilege 2868 explorer.exe Token: SeDebugPrivilege 2868 explorer.exe Token: SeSystemEnvironmentPrivilege 2868 explorer.exe Token: SeChangeNotifyPrivilege 2868 explorer.exe Token: SeRemoteShutdownPrivilege 2868 explorer.exe Token: SeUndockPrivilege 2868 explorer.exe Token: SeManageVolumePrivilege 2868 explorer.exe Token: SeImpersonatePrivilege 2868 explorer.exe Token: SeCreateGlobalPrivilege 2868 explorer.exe Token: 33 2868 explorer.exe Token: 34 2868 explorer.exe Token: 35 2868 explorer.exe Token: 36 2868 explorer.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2868 explorer.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 372 wrote to memory of 2868 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe 82 PID 372 wrote to memory of 2868 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe 82 PID 372 wrote to memory of 2868 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe 82 PID 372 wrote to memory of 2868 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe 82 PID 372 wrote to memory of 2868 372 000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\000406bb03366b4744852f4bac0f383c_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:372 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Checks BIOS information in registry
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2868
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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
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2