Analysis
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max time kernel
149s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
24/10/2024, 02:35
Static task
static1
Behavioral task
behavioral1
Sample
71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe
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Size
900KB
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MD5
71f53dcd12ea8bcfb67a8f6b9051ca6a
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SHA1
61eaa05adbe3ea7b3f83c04de61626922373f056
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SHA256
ca6adeaaa00617e173a3865d0922f176bc57f2edc753b4a4a4213c6dc6e6b99d
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SHA512
e75566379a81663396bc0133dd3c4cd7c615a62a308246acd8b17030638e0525bd6c13aac351965a937e7c67a905c8c17ad04746da0dffb98372071183a08b90
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SSDEEP
24576:MsViHnFtmkAzo3AXK3E6IXQPttSTJ5p9fOIVEERP60Bu5q6QY:TktAzxqhWMIXp9fOBv0Bunr
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:\\Windows\\Windupdt\\winupdate.exe" 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate winupdate.exe -
Deletes itself 1 IoCs
pid Process 3064 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 2500 winupdate.exe 2688 winupdate.exe -
Loads dropped DLL 8 IoCs
pid Process 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 2500 winupdate.exe 2500 winupdate.exe 2500 winupdate.exe 2500 winupdate.exe 2688 winupdate.exe 2688 winupdate.exe 2688 winupdate.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchosts = "C:\\Windows\\Windupdt\\winupdate.exe" 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2352 set thread context of 2368 2352 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 30 PID 2500 set thread context of 2688 2500 winupdate.exe 35 -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\Windupdt\winupdate.exe 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe File opened for modification C:\Windows\Windupdt\winupdate.exe 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe File opened for modification C:\Windows\Windupdt\ 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe File opened for modification C:\Windows\Windupdt\winupdate.exe winupdate.exe -
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 6 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 winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2684 PING.EXE -
Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 71f53dcd12ea8bcfb67a8f6b9051ca6a_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 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier winupdate.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2684 PING.EXE -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeSecurityPrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeSystemtimePrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeBackupPrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeRestorePrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeShutdownPrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeDebugPrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeUndockPrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeManageVolumePrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeImpersonatePrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: 33 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: 34 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: 35 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2688 winupdate.exe Token: SeSecurityPrivilege 2688 winupdate.exe Token: SeTakeOwnershipPrivilege 2688 winupdate.exe Token: SeLoadDriverPrivilege 2688 winupdate.exe Token: SeSystemProfilePrivilege 2688 winupdate.exe Token: SeSystemtimePrivilege 2688 winupdate.exe Token: SeProfSingleProcessPrivilege 2688 winupdate.exe Token: SeIncBasePriorityPrivilege 2688 winupdate.exe Token: SeCreatePagefilePrivilege 2688 winupdate.exe Token: SeBackupPrivilege 2688 winupdate.exe Token: SeRestorePrivilege 2688 winupdate.exe Token: SeShutdownPrivilege 2688 winupdate.exe Token: SeDebugPrivilege 2688 winupdate.exe Token: SeSystemEnvironmentPrivilege 2688 winupdate.exe Token: SeChangeNotifyPrivilege 2688 winupdate.exe Token: SeRemoteShutdownPrivilege 2688 winupdate.exe Token: SeUndockPrivilege 2688 winupdate.exe Token: SeManageVolumePrivilege 2688 winupdate.exe Token: SeImpersonatePrivilege 2688 winupdate.exe Token: SeCreateGlobalPrivilege 2688 winupdate.exe Token: 33 2688 winupdate.exe Token: 34 2688 winupdate.exe Token: 35 2688 winupdate.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2352 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 2500 winupdate.exe 2688 winupdate.exe -
Suspicious use of WriteProcessMemory 48 IoCs
description pid Process procid_target PID 2352 wrote to memory of 2368 2352 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 30 PID 2352 wrote to memory of 2368 2352 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 30 PID 2352 wrote to memory of 2368 2352 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 30 PID 2352 wrote to memory of 2368 2352 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 30 PID 2352 wrote to memory of 2368 2352 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 30 PID 2352 wrote to memory of 2368 2352 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 30 PID 2352 wrote to memory of 2368 2352 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 30 PID 2352 wrote to memory of 2368 2352 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 30 PID 2352 wrote to memory of 2368 2352 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 30 PID 2352 wrote to memory of 2368 2352 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 30 PID 2352 wrote to memory of 2368 2352 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 30 PID 2352 wrote to memory of 2368 2352 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 30 PID 2352 wrote to memory of 2368 2352 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 30 PID 2352 wrote to memory of 2368 2352 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 30 PID 2352 wrote to memory of 2368 2352 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 30 PID 2368 wrote to memory of 2500 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 31 PID 2368 wrote to memory of 2500 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 31 PID 2368 wrote to memory of 2500 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 31 PID 2368 wrote to memory of 2500 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 31 PID 2368 wrote to memory of 2500 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 31 PID 2368 wrote to memory of 2500 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 31 PID 2368 wrote to memory of 2500 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 31 PID 2368 wrote to memory of 3064 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 32 PID 2368 wrote to memory of 3064 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 32 PID 2368 wrote to memory of 3064 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 32 PID 2368 wrote to memory of 3064 2368 71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe 32 PID 3064 wrote to memory of 2684 3064 cmd.exe 34 PID 3064 wrote to memory of 2684 3064 cmd.exe 34 PID 3064 wrote to memory of 2684 3064 cmd.exe 34 PID 3064 wrote to memory of 2684 3064 cmd.exe 34 PID 2500 wrote to memory of 2688 2500 winupdate.exe 35 PID 2500 wrote to memory of 2688 2500 winupdate.exe 35 PID 2500 wrote to memory of 2688 2500 winupdate.exe 35 PID 2500 wrote to memory of 2688 2500 winupdate.exe 35 PID 2500 wrote to memory of 2688 2500 winupdate.exe 35 PID 2500 wrote to memory of 2688 2500 winupdate.exe 35 PID 2500 wrote to memory of 2688 2500 winupdate.exe 35 PID 2500 wrote to memory of 2688 2500 winupdate.exe 35 PID 2500 wrote to memory of 2688 2500 winupdate.exe 35 PID 2500 wrote to memory of 2688 2500 winupdate.exe 35 PID 2500 wrote to memory of 2688 2500 winupdate.exe 35 PID 2500 wrote to memory of 2688 2500 winupdate.exe 35 PID 2500 wrote to memory of 2688 2500 winupdate.exe 35 PID 2500 wrote to memory of 2688 2500 winupdate.exe 35 PID 2500 wrote to memory of 2688 2500 winupdate.exe 35 PID 2500 wrote to memory of 2688 2500 winupdate.exe 35 PID 2500 wrote to memory of 2688 2500 winupdate.exe 35 PID 2500 wrote to memory of 2688 2500 winupdate.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Users\Admin\AppData\Local\Temp\71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\71f53dcd12ea8bcfb67a8f6b9051ca6a_JaffaCakes118.exe"2⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- 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:2368 -
C:\Windows\Windupdt\winupdate.exe"C:\Windows\Windupdt\winupdate.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Windows\Windupdt\winupdate.exe"C:\Windows\Windupdt\winupdate.exe"4⤵
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2688
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat" "3⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3064 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 24⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2684
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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
119B
MD52f22063aaa2ae8de665c7a1fc6f19f0a
SHA1f5ed196b2a8771d1b9cbda2cc55f201b45fc26bc
SHA256c15e040c2a12b9b88920d8f4ff3982c942b9907749c72961c93cf1c801db82ec
SHA51256dc72969770578cad2224dacd9b278cca238b26124b150ec475ef50d6b7fb5ba71b52083fe7949312e29ef5757edac2acc796f2bc564bc1077f4b91e4cbbaf8
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3063565911-2056067323-3330884624-1000\02fc8fb78d4f7516019d9a99eaf6a46d_de87a6d6-9d44-4942-9ec6-2be31b435411
Filesize50B
MD50d07aceef41f39fddc179b4cee5a6143
SHA18dc81dd6d1f4a8d2cd06a374ed2504aa087761b8
SHA256ae030038639228088c0ffd198200efad2f7f69f2ff909414ad2dbb6331d9a265
SHA5120fcb788f2122ee8101dfbbbffc55960a1df4e4b3054c0803ac0b2dc244fd28018951c874700c6d5d7a7433d301c860d44db1a24761b0c53b68e18df0c81caade
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Filesize
900KB
MD571f53dcd12ea8bcfb67a8f6b9051ca6a
SHA161eaa05adbe3ea7b3f83c04de61626922373f056
SHA256ca6adeaaa00617e173a3865d0922f176bc57f2edc753b4a4a4213c6dc6e6b99d
SHA512e75566379a81663396bc0133dd3c4cd7c615a62a308246acd8b17030638e0525bd6c13aac351965a937e7c67a905c8c17ad04746da0dffb98372071183a08b90