Analysis
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max time kernel
149s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
26-06-2024 23:29
Static task
static1
Behavioral task
behavioral1
Sample
13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe
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Size
652KB
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MD5
13e2313c0090887c6e5ca605a4daea44
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SHA1
4504137765992c716ba98ff5ad6e9baf4cf256ae
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SHA256
936ac6210bbdf887ceb17246e841c8c7e88322ef3359f65c548ec972cf51d92b
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SHA512
a36d88d83a39566e8c027dec55589373519ae94d264e65c5dc12b4a59593f89a95235788281b7a7f0e1f821f6676132e560a506ca0ad1ef10e80b1099dfa5392
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SSDEEP
12288:udNWQqqZMdLQYzgyWZ3u+gVj+9c9+DtCGTtd5Z+OopDnHPYLt1mRnWEu:ublq8MdLQzyWZRc9gwcopTPYLTDF
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windupdt\\winupdate.exe" 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe -
Modifies firewall policy service 3 TTPs 3 IoCs
Processes:
winupdate.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile winupdate.exe 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 -
Modifies security service 2 TTPs 1 IoCs
Processes:
winupdate.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" 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 -
Disables RegEdit via registry modification 1 IoCs
Processes:
winupdate.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" winupdate.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.
Processes:
13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exewinupdate.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate winupdate.exe -
Executes dropped EXE 2 IoCs
Processes:
winupdate.exewinupdate.exepid process 2792 winupdate.exe 2784 winupdate.exe -
Loads dropped DLL 8 IoCs
Processes:
13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exewinupdate.exewinupdate.exepid process 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 2792 winupdate.exe 2792 winupdate.exe 2792 winupdate.exe 2792 winupdate.exe 2784 winupdate.exe 2784 winupdate.exe 2784 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:
13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe -
Drops file in System32 directory 1 IoCs
Processes:
explorer.exedescription ioc process File opened for modification C:\Windows\SysWOW64\explorer.exe explorer.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exewinupdate.exedescription pid process target process PID 2212 set thread context of 2056 2212 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 2056 set thread context of 2812 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe explorer.exe PID 2792 set thread context of 2784 2792 winupdate.exe winupdate.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
winupdate.exe13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exedescription ioc process 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 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 13e2313c0090887c6e5ca605a4daea44_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 -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exewinupdate.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier winupdate.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
winupdate.exepid process 2784 winupdate.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
Processes:
13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exewinupdate.exedescription pid process Token: SeIncreaseQuotaPrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeSecurityPrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeSystemtimePrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeBackupPrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeRestorePrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeShutdownPrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeDebugPrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeUndockPrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeManageVolumePrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeImpersonatePrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: 33 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: 34 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: 35 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2784 winupdate.exe Token: SeSecurityPrivilege 2784 winupdate.exe Token: SeTakeOwnershipPrivilege 2784 winupdate.exe Token: SeLoadDriverPrivilege 2784 winupdate.exe Token: SeSystemProfilePrivilege 2784 winupdate.exe Token: SeSystemtimePrivilege 2784 winupdate.exe Token: SeProfSingleProcessPrivilege 2784 winupdate.exe Token: SeIncBasePriorityPrivilege 2784 winupdate.exe Token: SeCreatePagefilePrivilege 2784 winupdate.exe Token: SeBackupPrivilege 2784 winupdate.exe Token: SeRestorePrivilege 2784 winupdate.exe Token: SeShutdownPrivilege 2784 winupdate.exe Token: SeDebugPrivilege 2784 winupdate.exe Token: SeSystemEnvironmentPrivilege 2784 winupdate.exe Token: SeChangeNotifyPrivilege 2784 winupdate.exe Token: SeRemoteShutdownPrivilege 2784 winupdate.exe Token: SeUndockPrivilege 2784 winupdate.exe Token: SeManageVolumePrivilege 2784 winupdate.exe Token: SeImpersonatePrivilege 2784 winupdate.exe Token: SeCreateGlobalPrivilege 2784 winupdate.exe Token: 33 2784 winupdate.exe Token: 34 2784 winupdate.exe Token: 35 2784 winupdate.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exeexplorer.exewinupdate.exewinupdate.exepid process 2212 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 2812 explorer.exe 2792 winupdate.exe 2784 winupdate.exe -
Suspicious use of WriteProcessMemory 42 IoCs
Processes:
13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exewinupdate.exedescription pid process target process PID 2212 wrote to memory of 2056 2212 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 2212 wrote to memory of 2056 2212 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 2212 wrote to memory of 2056 2212 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 2212 wrote to memory of 2056 2212 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 2212 wrote to memory of 2056 2212 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 2212 wrote to memory of 2056 2212 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 2212 wrote to memory of 2056 2212 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 2212 wrote to memory of 2056 2212 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 2212 wrote to memory of 2056 2212 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 2212 wrote to memory of 2056 2212 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 2212 wrote to memory of 2056 2212 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 2212 wrote to memory of 2056 2212 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 2212 wrote to memory of 2056 2212 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 2056 wrote to memory of 2812 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe explorer.exe PID 2056 wrote to memory of 2812 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe explorer.exe PID 2056 wrote to memory of 2812 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe explorer.exe PID 2056 wrote to memory of 2812 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe explorer.exe PID 2056 wrote to memory of 2812 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe explorer.exe PID 2056 wrote to memory of 2812 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe explorer.exe PID 2056 wrote to memory of 2792 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe winupdate.exe PID 2056 wrote to memory of 2792 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe winupdate.exe PID 2056 wrote to memory of 2792 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe winupdate.exe PID 2056 wrote to memory of 2792 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe winupdate.exe PID 2056 wrote to memory of 2792 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe winupdate.exe PID 2056 wrote to memory of 2792 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe winupdate.exe PID 2056 wrote to memory of 2792 2056 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe winupdate.exe PID 2792 wrote to memory of 2784 2792 winupdate.exe winupdate.exe PID 2792 wrote to memory of 2784 2792 winupdate.exe winupdate.exe PID 2792 wrote to memory of 2784 2792 winupdate.exe winupdate.exe PID 2792 wrote to memory of 2784 2792 winupdate.exe winupdate.exe PID 2792 wrote to memory of 2784 2792 winupdate.exe winupdate.exe PID 2792 wrote to memory of 2784 2792 winupdate.exe winupdate.exe PID 2792 wrote to memory of 2784 2792 winupdate.exe winupdate.exe PID 2792 wrote to memory of 2784 2792 winupdate.exe winupdate.exe PID 2792 wrote to memory of 2784 2792 winupdate.exe winupdate.exe PID 2792 wrote to memory of 2784 2792 winupdate.exe winupdate.exe PID 2792 wrote to memory of 2784 2792 winupdate.exe winupdate.exe PID 2792 wrote to memory of 2784 2792 winupdate.exe winupdate.exe PID 2792 wrote to memory of 2784 2792 winupdate.exe winupdate.exe PID 2792 wrote to memory of 2784 2792 winupdate.exe winupdate.exe PID 2792 wrote to memory of 2784 2792 winupdate.exe winupdate.exe PID 2792 wrote to memory of 2784 2792 winupdate.exe winupdate.exe -
System policy modification 1 TTPs 3 IoCs
Processes:
winupdate.exedescription ioc process 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 Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion winupdate.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2212 -
C:\Users\Admin\AppData\Local\Temp\13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe2⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Loads dropped DLL
- 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:2056 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"3⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
PID:2812 -
C:\Windupdt\winupdate.exe"C:\Windupdt\winupdate.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2792 -
C:\Windupdt\winupdate.exeC:\Windupdt\winupdate.exe4⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2784
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
2Replay Monitor
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Downloads
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Filesize
652KB
MD513e2313c0090887c6e5ca605a4daea44
SHA14504137765992c716ba98ff5ad6e9baf4cf256ae
SHA256936ac6210bbdf887ceb17246e841c8c7e88322ef3359f65c548ec972cf51d92b
SHA512a36d88d83a39566e8c027dec55589373519ae94d264e65c5dc12b4a59593f89a95235788281b7a7f0e1f821f6676132e560a506ca0ad1ef10e80b1099dfa5392