Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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-1-5-21-3808065738-1666277613-1125846146-1000\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 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe -
Executes dropped EXE 2 IoCs
Processes:
winupdate.exewinupdate.exepid process 216 winupdate.exe 6024 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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exewinupdate.exedescription pid process target process PID 3544 set thread context of 4148 3544 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 216 set thread context of 6024 216 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:
13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exewinupdate.exedescription ioc process 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 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 -
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 -
Modifies registry class 1 IoCs
Processes:
13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
winupdate.exepid process 6024 winupdate.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exewinupdate.exedescription pid process Token: SeIncreaseQuotaPrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeSecurityPrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeLoadDriverPrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeSystemProfilePrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeSystemtimePrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeBackupPrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeRestorePrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeShutdownPrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeDebugPrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeUndockPrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeManageVolumePrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeImpersonatePrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: 33 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: 34 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: 35 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: 36 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 6024 winupdate.exe Token: SeSecurityPrivilege 6024 winupdate.exe Token: SeTakeOwnershipPrivilege 6024 winupdate.exe Token: SeLoadDriverPrivilege 6024 winupdate.exe Token: SeSystemProfilePrivilege 6024 winupdate.exe Token: SeSystemtimePrivilege 6024 winupdate.exe Token: SeProfSingleProcessPrivilege 6024 winupdate.exe Token: SeIncBasePriorityPrivilege 6024 winupdate.exe Token: SeCreatePagefilePrivilege 6024 winupdate.exe Token: SeBackupPrivilege 6024 winupdate.exe Token: SeRestorePrivilege 6024 winupdate.exe Token: SeShutdownPrivilege 6024 winupdate.exe Token: SeDebugPrivilege 6024 winupdate.exe Token: SeSystemEnvironmentPrivilege 6024 winupdate.exe Token: SeChangeNotifyPrivilege 6024 winupdate.exe Token: SeRemoteShutdownPrivilege 6024 winupdate.exe Token: SeUndockPrivilege 6024 winupdate.exe Token: SeManageVolumePrivilege 6024 winupdate.exe Token: SeImpersonatePrivilege 6024 winupdate.exe Token: SeCreateGlobalPrivilege 6024 winupdate.exe Token: 33 6024 winupdate.exe Token: 34 6024 winupdate.exe Token: 35 6024 winupdate.exe Token: 36 6024 winupdate.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exewinupdate.exewinupdate.exepid process 3544 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 216 winupdate.exe 6024 winupdate.exe -
Suspicious use of WriteProcessMemory 34 IoCs
Processes:
13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exewinupdate.exedescription pid process target process PID 3544 wrote to memory of 4148 3544 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 3544 wrote to memory of 4148 3544 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 3544 wrote to memory of 4148 3544 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 3544 wrote to memory of 4148 3544 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 3544 wrote to memory of 4148 3544 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 3544 wrote to memory of 4148 3544 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 3544 wrote to memory of 4148 3544 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 3544 wrote to memory of 4148 3544 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 3544 wrote to memory of 4148 3544 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 3544 wrote to memory of 4148 3544 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 3544 wrote to memory of 4148 3544 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 3544 wrote to memory of 4148 3544 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 3544 wrote to memory of 4148 3544 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 3544 wrote to memory of 4148 3544 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe PID 4148 wrote to memory of 5368 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe explorer.exe PID 4148 wrote to memory of 5368 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe explorer.exe PID 4148 wrote to memory of 5368 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe explorer.exe PID 4148 wrote to memory of 216 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe winupdate.exe PID 4148 wrote to memory of 216 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe winupdate.exe PID 4148 wrote to memory of 216 4148 13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe winupdate.exe PID 216 wrote to memory of 6024 216 winupdate.exe winupdate.exe PID 216 wrote to memory of 6024 216 winupdate.exe winupdate.exe PID 216 wrote to memory of 6024 216 winupdate.exe winupdate.exe PID 216 wrote to memory of 6024 216 winupdate.exe winupdate.exe PID 216 wrote to memory of 6024 216 winupdate.exe winupdate.exe PID 216 wrote to memory of 6024 216 winupdate.exe winupdate.exe PID 216 wrote to memory of 6024 216 winupdate.exe winupdate.exe PID 216 wrote to memory of 6024 216 winupdate.exe winupdate.exe PID 216 wrote to memory of 6024 216 winupdate.exe winupdate.exe PID 216 wrote to memory of 6024 216 winupdate.exe winupdate.exe PID 216 wrote to memory of 6024 216 winupdate.exe winupdate.exe PID 216 wrote to memory of 6024 216 winupdate.exe winupdate.exe PID 216 wrote to memory of 6024 216 winupdate.exe winupdate.exe PID 216 wrote to memory of 6024 216 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 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\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:3544 -
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
- Checks computer location settings
- Adds Run key to start application
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4148 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"3⤵PID:5368
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C:\Windupdt\winupdate.exe"C:\Windupdt\winupdate.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:216 -
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
- 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:6024
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3996 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:81⤵PID:5568
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