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Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
30/09/2024, 18:24
Static task
static1
Behavioral task
behavioral1
Sample
02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe
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Size
2.2MB
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MD5
02b3325b886d11bcb59bd91f4a66d02d
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SHA1
1e54f77460c512f320f761ef47cbf4936e267a3b
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SHA256
b109878180698ad0d281bd9af106291ae13b109433d76c0a01f4b5b7c1cef37e
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SHA512
77cc0936a28c54c79688af650acffd0a41159e82ab14538e503d4af61464d47a30b4022fabf928d13209433fe1da42b8ae2f46ff27a34d95d9e122f95b92ad48
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SSDEEP
24576:3y8pZnlwtHNN0K+sToVvQg+4Y7LDD9fDZN9EGJY3tPp033gxnwRDySFZwPObm:3ZnlUN0K+304S7RX9ERyw69x
Malware Config
Signatures
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description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" vbc.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate vbc.exe -
Uses the VBS compiler for execution 1 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DefaultSystem = "C:\\Users\\Admin\\AppData\\Roaming\\Sys32c.exe" 02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3920 set thread context of 4076 3920 02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 vbc.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString vbc.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier vbc.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier vbc.exe -
Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier vbc.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4076 vbc.exe -
Suspicious use of AdjustPrivilegeToken 24 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4076 vbc.exe Token: SeSecurityPrivilege 4076 vbc.exe Token: SeTakeOwnershipPrivilege 4076 vbc.exe Token: SeLoadDriverPrivilege 4076 vbc.exe Token: SeSystemProfilePrivilege 4076 vbc.exe Token: SeSystemtimePrivilege 4076 vbc.exe Token: SeProfSingleProcessPrivilege 4076 vbc.exe Token: SeIncBasePriorityPrivilege 4076 vbc.exe Token: SeCreatePagefilePrivilege 4076 vbc.exe Token: SeBackupPrivilege 4076 vbc.exe Token: SeRestorePrivilege 4076 vbc.exe Token: SeShutdownPrivilege 4076 vbc.exe Token: SeDebugPrivilege 4076 vbc.exe Token: SeSystemEnvironmentPrivilege 4076 vbc.exe Token: SeChangeNotifyPrivilege 4076 vbc.exe Token: SeRemoteShutdownPrivilege 4076 vbc.exe Token: SeUndockPrivilege 4076 vbc.exe Token: SeManageVolumePrivilege 4076 vbc.exe Token: SeImpersonatePrivilege 4076 vbc.exe Token: SeCreateGlobalPrivilege 4076 vbc.exe Token: 33 4076 vbc.exe Token: 34 4076 vbc.exe Token: 35 4076 vbc.exe Token: 36 4076 vbc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4076 vbc.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3920 wrote to memory of 4076 3920 02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe 82 PID 3920 wrote to memory of 4076 3920 02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe 82 PID 3920 wrote to memory of 4076 3920 02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe 82 PID 3920 wrote to memory of 4076 3920 02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe 82 PID 3920 wrote to memory of 4076 3920 02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe 82 PID 3920 wrote to memory of 4076 3920 02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe 82 PID 3920 wrote to memory of 4076 3920 02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe 82 PID 3920 wrote to memory of 4076 3920 02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe 82 PID 3920 wrote to memory of 4076 3920 02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe 82 PID 3920 wrote to memory of 4076 3920 02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe 82 PID 3920 wrote to memory of 4076 3920 02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe 82 PID 3920 wrote to memory of 4076 3920 02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe 82 PID 3920 wrote to memory of 4076 3920 02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe 82 PID 3920 wrote to memory of 4076 3920 02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\02b3325b886d11bcb59bd91f4a66d02d_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe2⤵
- Windows security bypass
- 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
- Suspicious use of SetWindowsHookEx
PID:4076
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