Analysis
- max time kernel
149s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/06/2026, 00:32
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
tmptw9_454n.exe
Resource
win10ltsc2021-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmptw9_454n.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
Behavioral task
behavioral3
Sample
tmptw9_454n.exe
Resource
win11-20260513-en
9 signatures
150 seconds
General
- Target tmptw9_454n.exe
- Size 225KB
- Sample260602-avsmcsbt2p
- SHA256 39a9472a29812429ff91b8a17254dae9a399df48ab05172a8875e18307feee1c
- MD5 20e9b2a9fee6f6e3cbb7f2df2413295d
- SHA1 f4de25ca0722ac8e3af6f729ab4b2a5fd9707ea8
- SHA512 86708f44a1e19e0ce96b3f54db96d4e8bee71052ae570afd351f4ce4a48e400ba9815252a8ddf6630a167f7ce5a5659b6dce0ee3a520fd1e103a45d9a1cf16f5
- SSDEEP 6144:IA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:IATuTAnKGwUAW3ycQqgf
- TLSH T1FB346B31B7D0C435F5F213F449F652ABAA393DA16B34A0CB62D126EA5A346D8EC30357
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 2 IoCs
pid pid_target Process procid_target 1312 2836 WerFault.exe 95 2088 1736 WerFault.exe 83 - 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 winver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tmptw9_454n.exe - Modifies data under HKEY_USERS 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client" svchost.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3248 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 32 IoCs
description pid Process Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2836 winver.exe 1736 tmptw9_454n.exe - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3248 Explorer.EXE - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1736 wrote to memory of 2836 1736 tmptw9_454n.exe 95 PID 2836 wrote to memory of 3248 2836 winver.exe 56 PID 1736 wrote to memory of 3248 1736 tmptw9_454n.exe 56
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3248 -
C:\Users\Admin\AppData\Local\Temp\tmptw9_454n.exe"C:\Users\Admin\AppData\Local\Temp\tmptw9_454n.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2836 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 3004⤵
- Program crash
PID:1312
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1736 -s 8763⤵
- Program crash
PID:2088
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
PID:3804
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2836 -ip 28361⤵PID:3864
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1736 -ip 17361⤵PID:452