Analysis Overview
SHA256
3a3ac12868676fe2f37ca52bde0d436c8757bc6a4895d4d435fcacc4f0619819
Threat Level: Known bad
The file a9efa5efd2ed938506a419bfd08cd5d4_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Wannacry
Modifies firewall policy service
Drops file in Drivers directory
Program crash
Unsigned PE
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-14 13:32
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-14 13:32
Reported
2024-06-14 13:34
Platform
win7-20240611-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
Wannacry
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a9efa5efd2ed938506a419bfd08cd5d4_JaffaCakes118.exe | N/A |
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a9efa5efd2ed938506a419bfd08cd5d4_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\wininit.exe
wininit.exe
C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
C:\Windows\system32\winlogon.exe
winlogon.exe
C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
C:\Windows\system32\lsm.exe
C:\Windows\system32\lsm.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k RPCSS
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService
C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
C:\Windows\system32\taskhost.exe
"taskhost.exe"
C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
C:\Windows\system32\sppsvc.exe
C:\Windows\system32\sppsvc.exe
C:\Users\Admin\AppData\Local\Temp\a9efa5efd2ed938506a419bfd08cd5d4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a9efa5efd2ed938506a419bfd08cd5d4_JaffaCakes118.exe"
Network
Files
memory/1096-0-0x0000000000400000-0x0000000000762000-memory.dmp
memory/1096-2-0x0000000077160000-0x0000000077161000-memory.dmp
memory/1096-1-0x000000007715F000-0x0000000077160000-memory.dmp
memory/1096-3-0x0000000000400000-0x0000000000762000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-14 13:32
Reported
2024-06-14 13:34
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
150s
Command Line
Signatures
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List | C:\Users\Admin\AppData\Local\Temp\a9efa5efd2ed938506a419bfd08cd5d4_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\Users\Admin\AppData\Local\Temp\a9efa5efd2ed938506a419bfd08cd5d4_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications | C:\Users\Admin\AppData\Local\Temp\a9efa5efd2ed938506a419bfd08cd5d4_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\a9efa5efd2ed938506a419bfd08cd5d4_JaffaCakes118.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a9efa5efd2ed938506a419bfd08cd5d4_JaffaCakes118.exe:*:enabled:@shell32.dll,-1" | C:\Users\Admin\AppData\Local\Temp\a9efa5efd2ed938506a419bfd08cd5d4_JaffaCakes118.exe | N/A |
Wannacry
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\system32\DRIVERS\ETC\HOSTS | C:\Users\Admin\AppData\Local\Temp\a9efa5efd2ed938506a419bfd08cd5d4_JaffaCakes118.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\a9efa5efd2ed938506a419bfd08cd5d4_JaffaCakes118.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a9efa5efd2ed938506a419bfd08cd5d4_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a9efa5efd2ed938506a419bfd08cd5d4_JaffaCakes118.exe | N/A |
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a9efa5efd2ed938506a419bfd08cd5d4_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\winlogon.exe
winlogon.exe
C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p
C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k RPCSS -p
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
C:\Windows\system32\dwm.exe
"dwm.exe"
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
C:\Windows\sysmon.exe
C:\Windows\sysmon.exe
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
C:\Windows\system32\SppExtComObj.exe
C:\Windows\system32\SppExtComObj.exe -Embedding
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
C:\Users\Admin\AppData\Local\Temp\a9efa5efd2ed938506a419bfd08cd5d4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a9efa5efd2ed938506a419bfd08cd5d4_JaffaCakes118.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1668 -ip 1668
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 644
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ilo.brenz.pl | udp |
| US | 52.111.229.48:443 | tcp |
Files
memory/1668-0-0x0000000000400000-0x0000000000762000-memory.dmp
memory/1668-1-0x000000007FE40000-0x000000007FE4C000-memory.dmp
memory/1668-3-0x000000007FE40000-0x000000007FE4C000-memory.dmp
memory/1668-5-0x0000000077B23000-0x0000000077B24000-memory.dmp
memory/1668-4-0x0000000077B22000-0x0000000077B23000-memory.dmp
memory/1668-6-0x000000007FE40000-0x000000007FE4C000-memory.dmp
memory/1668-8-0x0000000000400000-0x0000000000762000-memory.dmp