Analysis
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max time kernel
149s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
17/08/2024, 08:39
Behavioral task
behavioral1
Sample
a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe
Resource
win7-20240708-en
windows7-x64
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe
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Size
733KB
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MD5
a1e0143bee6e9d53d1c290e34ef34775
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SHA1
04482b63cf83830cc858564e36273df9ebe67a24
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SHA256
482db49b56d32a64bdee5e75639e30de7ed7481675e217c670f5b564426c233b
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SHA512
56812848d06d9061446508680881e3ca6706b7e94efa4ce8da541b1fa623220b52b7e2b608a229ecc5e31c8e6922c918ce2713f830577a67def05a29358ab51a
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SSDEEP
12288:TpwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlTTMMXG96uhKI0n/SG:1wAcu99lPzvxP+Bsz2XjWT/MQcVkI0nL
Score
10/10
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" a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe -
Checks BIOS information in registry 2 TTPs 3 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate explorer.exe -
Executes dropped EXE 1 IoCs
pid Process 2552 winupdate.exe -
Loads dropped DLL 4 IoCs
pid Process 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe 2552 winupdate.exe 2552 winupdate.exe 2552 winupdate.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2552 set thread context of 2056 2552 winupdate.exe 32 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a1e0143bee6e9d53d1c290e34ef34775_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.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier explorer.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 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\VendorIdentifier explorer.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2056 explorer.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeSecurityPrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeSystemtimePrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeBackupPrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeRestorePrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeShutdownPrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeDebugPrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeUndockPrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeManageVolumePrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeImpersonatePrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: 33 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: 34 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: 35 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2552 winupdate.exe Token: SeSecurityPrivilege 2552 winupdate.exe Token: SeTakeOwnershipPrivilege 2552 winupdate.exe Token: SeLoadDriverPrivilege 2552 winupdate.exe Token: SeSystemProfilePrivilege 2552 winupdate.exe Token: SeSystemtimePrivilege 2552 winupdate.exe Token: SeProfSingleProcessPrivilege 2552 winupdate.exe Token: SeIncBasePriorityPrivilege 2552 winupdate.exe Token: SeCreatePagefilePrivilege 2552 winupdate.exe Token: SeBackupPrivilege 2552 winupdate.exe Token: SeRestorePrivilege 2552 winupdate.exe Token: SeShutdownPrivilege 2552 winupdate.exe Token: SeDebugPrivilege 2552 winupdate.exe Token: SeSystemEnvironmentPrivilege 2552 winupdate.exe Token: SeChangeNotifyPrivilege 2552 winupdate.exe Token: SeRemoteShutdownPrivilege 2552 winupdate.exe Token: SeUndockPrivilege 2552 winupdate.exe Token: SeManageVolumePrivilege 2552 winupdate.exe Token: SeImpersonatePrivilege 2552 winupdate.exe Token: SeCreateGlobalPrivilege 2552 winupdate.exe Token: 33 2552 winupdate.exe Token: 34 2552 winupdate.exe Token: 35 2552 winupdate.exe Token: SeIncreaseQuotaPrivilege 2056 explorer.exe Token: SeSecurityPrivilege 2056 explorer.exe Token: SeTakeOwnershipPrivilege 2056 explorer.exe Token: SeLoadDriverPrivilege 2056 explorer.exe Token: SeSystemProfilePrivilege 2056 explorer.exe Token: SeSystemtimePrivilege 2056 explorer.exe Token: SeProfSingleProcessPrivilege 2056 explorer.exe Token: SeIncBasePriorityPrivilege 2056 explorer.exe Token: SeCreatePagefilePrivilege 2056 explorer.exe Token: SeBackupPrivilege 2056 explorer.exe Token: SeRestorePrivilege 2056 explorer.exe Token: SeShutdownPrivilege 2056 explorer.exe Token: SeDebugPrivilege 2056 explorer.exe Token: SeSystemEnvironmentPrivilege 2056 explorer.exe Token: SeChangeNotifyPrivilege 2056 explorer.exe Token: SeRemoteShutdownPrivilege 2056 explorer.exe Token: SeUndockPrivilege 2056 explorer.exe Token: SeManageVolumePrivilege 2056 explorer.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2328 wrote to memory of 1972 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe 30 PID 2328 wrote to memory of 1972 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe 30 PID 2328 wrote to memory of 1972 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe 30 PID 2328 wrote to memory of 1972 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe 30 PID 2328 wrote to memory of 2552 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe 31 PID 2328 wrote to memory of 2552 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe 31 PID 2328 wrote to memory of 2552 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe 31 PID 2328 wrote to memory of 2552 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe 31 PID 2328 wrote to memory of 2552 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe 31 PID 2328 wrote to memory of 2552 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe 31 PID 2328 wrote to memory of 2552 2328 a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe 31 PID 2552 wrote to memory of 2056 2552 winupdate.exe 32 PID 2552 wrote to memory of 2056 2552 winupdate.exe 32 PID 2552 wrote to memory of 2056 2552 winupdate.exe 32 PID 2552 wrote to memory of 2056 2552 winupdate.exe 32 PID 2552 wrote to memory of 2056 2552 winupdate.exe 32 PID 2552 wrote to memory of 2056 2552 winupdate.exe 32 PID 2552 wrote to memory of 2056 2552 winupdate.exe 32 PID 2552 wrote to memory of 2056 2552 winupdate.exe 32 PID 2552 wrote to memory of 2056 2552 winupdate.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a1e0143bee6e9d53d1c290e34ef34775_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵PID:1972
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C:\Windupdt\winupdate.exe"C:\Windupdt\winupdate.exe"2⤵
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- 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
PID:2552 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"3⤵
- 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
PID:2056
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Replay Monitor
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Downloads
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Filesize
733KB
MD5a1e0143bee6e9d53d1c290e34ef34775
SHA104482b63cf83830cc858564e36273df9ebe67a24
SHA256482db49b56d32a64bdee5e75639e30de7ed7481675e217c670f5b564426c233b
SHA51256812848d06d9061446508680881e3ca6706b7e94efa4ce8da541b1fa623220b52b7e2b608a229ecc5e31c8e6922c918ce2713f830577a67def05a29358ab51a