Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
26/06/2024, 03:25
Behavioral task
behavioral1
Sample
1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe
Resource
win7-20240611-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
13 signatures
150 seconds
General
- Target 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe
- Size 659KB
- Sample240626-dyyvbssbnc
- SHA256 783f527dc2b7596af04dcaaa5ead4c8380fe305b9b4da9ecd45e5b1203683e05
- MD5 1091368b4b563e3d0dbf51c25e23ea00
- SHA1 5299909d89d1d8a046f044f910ff03e8d48a37d1
- SHA512 2fc4d56de27301ca6d7c71be1f1eeebfb39c2fe68a51a9f52534b9811c27677d930e205b7c61162e44db9352f0444b4f7e802aae96d27c7869377f874dce8281
- SSDEEP 12288:B9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKrL:3AQ6Zx9cxTmOrucTIEFSpOGO
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- 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\\system32\\services" 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe - Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" explorer.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" explorer.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 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate explorer.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\Windows\\system32\\services" 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\Windows\\system32\\services" notepad.exe - Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\services 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\services 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\ 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe File created C:\Windows\SysWOW64\services notepad.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2660 set thread context of 4356 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 82 - Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.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\Identifier explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier explorer.exe - Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe - Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeSecurityPrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeSystemtimePrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeBackupPrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeRestorePrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeShutdownPrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeDebugPrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeUndockPrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeManageVolumePrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeImpersonatePrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: 33 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: 34 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: 35 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: 36 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 4356 explorer.exe Token: SeSecurityPrivilege 4356 explorer.exe Token: SeTakeOwnershipPrivilege 4356 explorer.exe Token: SeLoadDriverPrivilege 4356 explorer.exe Token: SeSystemProfilePrivilege 4356 explorer.exe Token: SeSystemtimePrivilege 4356 explorer.exe Token: SeProfSingleProcessPrivilege 4356 explorer.exe Token: SeIncBasePriorityPrivilege 4356 explorer.exe Token: SeCreatePagefilePrivilege 4356 explorer.exe Token: SeBackupPrivilege 4356 explorer.exe Token: SeRestorePrivilege 4356 explorer.exe Token: SeShutdownPrivilege 4356 explorer.exe Token: SeDebugPrivilege 4356 explorer.exe Token: SeSystemEnvironmentPrivilege 4356 explorer.exe Token: SeChangeNotifyPrivilege 4356 explorer.exe Token: SeRemoteShutdownPrivilege 4356 explorer.exe Token: SeUndockPrivilege 4356 explorer.exe Token: SeManageVolumePrivilege 4356 explorer.exe Token: SeImpersonatePrivilege 4356 explorer.exe Token: SeCreateGlobalPrivilege 4356 explorer.exe Token: 33 4356 explorer.exe Token: 34 4356 explorer.exe Token: 35 4356 explorer.exe Token: 36 4356 explorer.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4356 explorer.exe - Suspicious use of WriteProcessMemory 50 IoCs
description pid Process procid_target PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4536 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 81 PID 2660 wrote to memory of 4356 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 82 PID 2660 wrote to memory of 4356 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 82 PID 2660 wrote to memory of 4356 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 82 PID 2660 wrote to memory of 4356 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 82 PID 2660 wrote to memory of 4356 2660 1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe 82 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83 PID 4356 wrote to memory of 3148 4356 explorer.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1091368b4b563e3d0dbf51c25e23ea00_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Adds Run key to start application
- Drops file in System32 directory
PID:4536
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵
- Modifies security service
- Windows security bypass
- Checks BIOS information in registry
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4356 -
C:\Windows\SysWOW64\notepad.exeC:\Windows\SysWOW64\notepad.exe3⤵PID:3148
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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
1Windows Service
1