Analysis
- max time kernel
899s - max time network
479s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
01/10/2026, 17:44
General
- Target UserBenchmarkInstaller.exe
- Size 509KB
- Sample261001-wbbqdstcmb
- SHA256 ed3a4d2c00348ee99205c7d2f1c69405b0ab046ce10566c7d74ba0e190b75ed6
Malware Config
Signatures
- Downloads MZ/PE file 1 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- 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.
- Enumerates system info in registry 2 TTPs 4 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\UserBenchmarkInstaller.exe"C:\Users\Admin\AppData\Local\Temp\UserBenchmarkInstaller.exe"1⤵
- Downloads MZ/PE file
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\UserBenchmarkSetup.exe"C:\Users\Admin\AppData\Local\Temp\UserBenchmarkSetup.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\UserBenchmark\UserBenchmark.exe"C:\Users\Admin\AppData\Roaming\UserBenchmark\UserBenchmark.exe"3⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- Enumerates system info in registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
-
C:\Windows\System32\SecurityHealthHost.exe\\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
UserBenchmarkSetup.exe
System.dll
nsDialogs.dll
BlastPS.cso
BlastVS.cso
CubeScenePS.cso
CubeSceneVS.cso
E_AdvectBackCS.cso
E_AdvectCS.cso
E_DivergenceCS.cso
E_ForceCS.cso
E_JaccobiCS.cso
E_MacCormackCS.cso
E_ProjectCS.cso
ExplosionPS.cso
ExplosionVS.cso
JunctionPS.cso
JunctionVS.cso
MirrorsPS.cso
MirrorsVS.cso
RoadPS.cso
RoadVS.cso
SatellitePS.cso
SatellitePSSolid.cso
SatelliteVS.cso
SkyboxPS.cso
SkyboxVS.cso
TunnelPS.cso
TunnelVS.cso
Battleship.sdkmesh
BenchARR.sdkmesh
BenchCPU.sdkmesh
BenchGPU.sdkmesh
BenchRAM.sdkmesh
BenchSSD.sdkmesh
BenchUBM.sdkmesh
Destroyer.sdkmesh
Gunship.sdkmesh
Jetship.sdkmesh
red.dds
bi_albedo.dds
bi_normal.dds
bi_orm.dds
oo_base.dds
oo_normal_baked.dds
oo_orm.dds
ss_u_albedo_white.dds
ss_u_emissive.dds
ss_u_normal.dds
ss_u_orm.dds
diffuseIBL_B1.dds
specularIBL_B1.dds
Trunkship.sdkmesh
bench-speed_nt.dds
fire_color256.dds
fire_color256bw_round_lr.dds
fire_normal256.dds
laser.png
metal.dds
skybox_meteor.dds
wbank.xwb
UserBenchmark.exe