Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
22/05/2026, 11:31
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
tmprmr8scyb.exe
Resource
win10ltsc2021-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmprmr8scyb.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral3
Sample
tmprmr8scyb.exe
Resource
win11-20260513-en
8 signatures
150 seconds
General
- Target tmprmr8scyb.exe
- Size 225KB
- Sample260522-nmpsdscs91
- SHA256 4e218ccb10f535539a793c0a4a13a67ba367b4aeaba88b2ca915915360b944b3
- MD5 651370d84a320bdfe88a14d1acadd502
- SHA1 9cd0e1a10b1bcd49191b36bf8cc4e42e0d93c442
- SHA512 6a3a048e42954af8c1b5001b325fb373506f7b3b6b8a4a27d6c9de95496c49077cf40850e89b131078c72adbc5dc2aeaa93c628bc866bb42dd3f4bbe927045ad
- SSDEEP 6144:YA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:YATuTAnKGwUAW3ycQqgf
- TLSH T10B346B31B7D0C435F5F213F449F652ABAA393DA16B34A0CB62D126EA5A346D8EC30357
- 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 4064 2104 WerFault.exe 82 4000 3372 WerFault.exe 79 - 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 tmprmr8scyb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.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 - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3200 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE Token: SeShutdownPrivilege 3200 Explorer.EXE Token: SeCreatePagefilePrivilege 3200 Explorer.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2104 winver.exe 3372 tmprmr8scyb.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3372 wrote to memory of 2104 3372 tmprmr8scyb.exe 82 PID 2104 wrote to memory of 3200 2104 winver.exe 54 PID 3372 wrote to memory of 3200 3372 tmprmr8scyb.exe 54
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3200 -
C:\Users\Admin\AppData\Local\Temp\tmprmr8scyb.exe"C:\Users\Admin\AppData\Local\Temp\tmprmr8scyb.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3372 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2104 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 3324⤵
- Program crash
PID:4064
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 7483⤵
- Program crash
PID:4000
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
PID:3272
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2104 -ip 21041⤵PID:2556
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3372 -ip 33721⤵PID:4320