Analysis
- max time kernel
4s - max time network
6s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 17:49
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
funny.exe
Resource
win10v2004-20260513-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
funny.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
Errors
Reason
Machine shutdown
General
- Target funny.exe
- Size 140KB
- Sample260804-wd38estxdv
- SHA256 72dd82f32bee80dfe837be9178d23e24c33893744f262415de274a4e1bb596d4
- MD5 b7e9c14eaf47785f8953d567cee765f0
- SHA1 1e709d483608ae824c8290566049afab0b605b5a
- SHA512 2a2493b1cfefa8b3def57873876515b5008c52e1a08bf5c119b616c7898811376848f205bdf867b74f1d6119c45ec44ea2d43c90ad874ae512ea444a545eff35
- SSDEEP 3072:ZGMrmpr8YvOW7YJjYuuqbDYJOatdhveaPIN4B3PPzoSDicw:FGmbDYJOavPI4HkSDFw
- TLSH T100E37C03B9D1C072D56658360974DBB5863FB9E00F609EDB63841ABA5E302C1EE35E6A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Modifies security service 2 TTPs 6 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\mpssvc\Start = "4" funny.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\mpssvc\ErrorControl = "0" funny.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\WinDefend\Start = "4" funny.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\WinDefend\ErrorControl = "0" funny.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4" funny.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\ErrorControl = "0" funny.exe - Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\drivers\afunix.sys funny.exe - Modifies Security services 2 TTPs 4 IoCs
Modifies the startup behavior of a security service.
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\WdBoot\Start = "4" funny.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\WdFilter\Start = "4" funny.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\WdNisDrv\Start = "4" funny.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\WdNisSvc\Start = "4" funny.exe - Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\SYSTEM funny.exe File created C:\Windows\SysWOW64\config\SOFTWARE funny.exe File created C:\Windows\SysWOW64\config\SECURITY funny.exe File created C:\Windows\SysWOW64\config\DEFAULT funny.exe File created C:\Windows\SysWOW64\config\SAM funny.exe - System Location Discovery: System Language Discovery 1 TTPs 1 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 funny.exe - Suspicious use of AdjustPrivilegeToken 26 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1476 funny.exe Token: SeSecurityPrivilege 1476 funny.exe Token: SeTakeOwnershipPrivilege 1476 funny.exe Token: SeLoadDriverPrivilege 1476 funny.exe Token: SeSystemProfilePrivilege 1476 funny.exe Token: SeSystemtimePrivilege 1476 funny.exe Token: SeProfSingleProcessPrivilege 1476 funny.exe Token: SeIncBasePriorityPrivilege 1476 funny.exe Token: SeCreatePagefilePrivilege 1476 funny.exe Token: SeBackupPrivilege 1476 funny.exe Token: SeRestorePrivilege 1476 funny.exe Token: SeShutdownPrivilege 1476 funny.exe Token: SeDebugPrivilege 1476 funny.exe Token: SeSystemEnvironmentPrivilege 1476 funny.exe Token: SeChangeNotifyPrivilege 1476 funny.exe Token: SeRemoteShutdownPrivilege 1476 funny.exe Token: SeUndockPrivilege 1476 funny.exe Token: SeManageVolumePrivilege 1476 funny.exe Token: SeImpersonatePrivilege 1476 funny.exe Token: SeCreateGlobalPrivilege 1476 funny.exe Token: 33 1476 funny.exe Token: 34 1476 funny.exe Token: 35 1476 funny.exe Token: 36 1476 funny.exe Token: SeDebugPrivilege 1476 funny.exe Token: SeShutdownPrivilege 1476 funny.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\funny.exe"C:\Users\Admin\AppData\Local\Temp\funny.exe"1⤵
- Modifies security service
- Drops file in Drivers directory
- Modifies Security services
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1476
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\config\DEFAULT
- Size 256KB
- SHA256 3b874d3ba46c638fc3094f8e92fb744ca974893873f8885f54e23760f9b6311b
- MD5 09a1d434dbd7197e7c3af8a7c28ca38b
- SHA1 1e4903cd5f594c13dad2fd74666ba35c62550044
- SHA512 14ecfea9b883f03ff22f6201bbe1360102717f32ad8871e6bc8754d736dea6963d9210ad8f7709b70f45b00cf91820ac9c08bf09e5482724709d2695c65f1b4f
- SSDEEP 3:RRD:LD
- MD5 SHA1 SHA512 SSDEEP