Analysis
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max time kernel
150s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-10-2024 16:43
Behavioral task
behavioral1
Sample
5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe
Resource
win7-20240903-en
windows7-x64
17 signatures
150 seconds
General
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Target
5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe
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Size
636KB
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MD5
5d99afdc7eae37f3d3c15d0afe04c6a0
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SHA1
00f0e1fb92389422a9e22bffd4a966e980f40990
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SHA256
7ff06f9b3f8fe3f8178fe99ff2a6239f707adf57ce4f5cd15766cdfd818a9ec5
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SHA512
521919f61c1e74e881dbbcd86f8dbc2f6e3da62249b33cf5e4d2071c4eef3c9104743c50e319daad9629a4afb6953108ec776933ae13a1df551438997ccc82a5
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SSDEEP
12288:/pwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/W:xwAcu99lPzvxP+Bsz2XjWTRMQckkIXne
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe" 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe -
Modifies firewall policy service 3 TTPs 6 IoCs
Processes:
winupdate.exeexplorer.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "1" winupdate.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" winupdate.exe 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 Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile winupdate.exe -
Modifies security service 2 TTPs 2 IoCs
Processes:
winupdate.exeexplorer.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" winupdate.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" explorer.exe -
Processes:
winupdate.exeexplorer.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winupdate.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" winupdate.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" explorer.exe -
Disables RegEdit via registry modification 2 IoCs
Processes:
winupdate.exeexplorer.exedescription ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" winupdate.exe Set value (int) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\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 3 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
winupdate.exeexplorer.exe5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
winupdate.exepid Process 2396 winupdate.exe -
Processes:
winupdate.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winupdate.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" winupdate.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sys = "C:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe" 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
winupdate.exedescription pid Process procid_target PID 2396 set thread context of 3100 2396 winupdate.exe 88 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exewinupdate.exeexplorer.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe -
Checks processor information in registry 2 TTPs 12 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exewinupdate.exeexplorer.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier winupdate.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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\ProcessorNameString 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exewinupdate.exeexplorer.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe -
Modifies registry class 1 IoCs
Processes:
5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
explorer.exepid Process 3100 explorer.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exewinupdate.exeexplorer.exedescription pid Process Token: SeIncreaseQuotaPrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeSecurityPrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeLoadDriverPrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeSystemProfilePrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeSystemtimePrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeBackupPrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeRestorePrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeShutdownPrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeDebugPrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeUndockPrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeManageVolumePrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeImpersonatePrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: 33 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: 34 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: 35 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: 36 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2396 winupdate.exe Token: SeSecurityPrivilege 2396 winupdate.exe Token: SeTakeOwnershipPrivilege 2396 winupdate.exe Token: SeLoadDriverPrivilege 2396 winupdate.exe Token: SeSystemProfilePrivilege 2396 winupdate.exe Token: SeSystemtimePrivilege 2396 winupdate.exe Token: SeProfSingleProcessPrivilege 2396 winupdate.exe Token: SeIncBasePriorityPrivilege 2396 winupdate.exe Token: SeCreatePagefilePrivilege 2396 winupdate.exe Token: SeBackupPrivilege 2396 winupdate.exe Token: SeRestorePrivilege 2396 winupdate.exe Token: SeShutdownPrivilege 2396 winupdate.exe Token: SeDebugPrivilege 2396 winupdate.exe Token: SeSystemEnvironmentPrivilege 2396 winupdate.exe Token: SeChangeNotifyPrivilege 2396 winupdate.exe Token: SeRemoteShutdownPrivilege 2396 winupdate.exe Token: SeUndockPrivilege 2396 winupdate.exe Token: SeManageVolumePrivilege 2396 winupdate.exe Token: SeImpersonatePrivilege 2396 winupdate.exe Token: SeCreateGlobalPrivilege 2396 winupdate.exe Token: 33 2396 winupdate.exe Token: 34 2396 winupdate.exe Token: 35 2396 winupdate.exe Token: 36 2396 winupdate.exe Token: SeIncreaseQuotaPrivilege 3100 explorer.exe Token: SeSecurityPrivilege 3100 explorer.exe Token: SeTakeOwnershipPrivilege 3100 explorer.exe Token: SeLoadDriverPrivilege 3100 explorer.exe Token: SeSystemProfilePrivilege 3100 explorer.exe Token: SeSystemtimePrivilege 3100 explorer.exe Token: SeProfSingleProcessPrivilege 3100 explorer.exe Token: SeIncBasePriorityPrivilege 3100 explorer.exe Token: SeCreatePagefilePrivilege 3100 explorer.exe Token: SeBackupPrivilege 3100 explorer.exe Token: SeRestorePrivilege 3100 explorer.exe Token: SeShutdownPrivilege 3100 explorer.exe Token: SeDebugPrivilege 3100 explorer.exe Token: SeSystemEnvironmentPrivilege 3100 explorer.exe Token: SeChangeNotifyPrivilege 3100 explorer.exe Token: SeRemoteShutdownPrivilege 3100 explorer.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
explorer.exepid Process 3100 explorer.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exewinupdate.exedescription pid Process procid_target PID 4868 wrote to memory of 4512 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe 84 PID 4868 wrote to memory of 4512 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe 84 PID 4868 wrote to memory of 4512 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe 84 PID 4868 wrote to memory of 2396 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe 87 PID 4868 wrote to memory of 2396 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe 87 PID 4868 wrote to memory of 2396 4868 5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe 87 PID 2396 wrote to memory of 3100 2396 winupdate.exe 88 PID 2396 wrote to memory of 3100 2396 winupdate.exe 88 PID 2396 wrote to memory of 3100 2396 winupdate.exe 88 PID 2396 wrote to memory of 3100 2396 winupdate.exe 88 PID 2396 wrote to memory of 3100 2396 winupdate.exe 88 -
System policy modification 1 TTPs 3 IoCs
Processes:
winupdate.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion winupdate.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern winupdate.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" winupdate.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\5d99afdc7eae37f3d3c15d0afe04c6a0_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4868 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵PID:4512
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C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe"C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe"2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Checks BIOS information in registry
- Executes dropped EXE
- Windows security modification
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2396 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"3⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Checks BIOS information in registry
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3100
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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
2Defense Evasion
Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
7Replay Monitor
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Downloads
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Filesize
636KB
MD55d99afdc7eae37f3d3c15d0afe04c6a0
SHA100f0e1fb92389422a9e22bffd4a966e980f40990
SHA2567ff06f9b3f8fe3f8178fe99ff2a6239f707adf57ce4f5cd15766cdfd818a9ec5
SHA512521919f61c1e74e881dbbcd86f8dbc2f6e3da62249b33cf5e4d2071c4eef3c9104743c50e319daad9629a4afb6953108ec776933ae13a1df551438997ccc82a5