Analysis
- max time kernel
149s - max time network
153s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows - submitted
22/05/2026, 11:22
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
tmpxd55p8mf.exe
Resource
win10ltsc2021-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmpxd55p8mf.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral3
Sample
tmpxd55p8mf.exe
Resource
win11-20260513-en
9 signatures
150 seconds
General
- Target tmpxd55p8mf.exe
- Size 225KB
- Sample260522-ngrd2ab17w
- SHA256 25fb441ab955bc6365aa0d868376a0fd0e4f93b21937e50afbb5ee63e67b2062
- MD5 173dc72737e39a805667eb94f6a9292e
- SHA1 08c5ddc5493382b01928736592213cbed10f2f4e
- SHA512 a873919e26fdf920d4b94bd994e443aece1220c2b56bcf31c6d54bb13371fcc7705f9d131abb7ca103b2799c45367f0f5cde3e3c91697b1bca6378c2e78549b3
- SSDEEP 6144:/A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:/ATuTAnKGwUAW3ycQqgf
- TLSH T102346B31B7D0C435F5F213F449F652ABAA393DA16B34A0CB62D126EA5A346D8EC30357
- 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 2560 5112 WerFault.exe 91 5620 4772 WerFault.exe 81 - 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 tmpxd55p8mf.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 3500 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeShutdownPrivilege 3500 Explorer.EXE Token: SeCreatePagefilePrivilege 3500 Explorer.EXE Token: SeShutdownPrivilege 3500 Explorer.EXE Token: SeCreatePagefilePrivilege 3500 Explorer.EXE Token: SeShutdownPrivilege 3500 Explorer.EXE Token: SeCreatePagefilePrivilege 3500 Explorer.EXE Token: SeShutdownPrivilege 3500 Explorer.EXE Token: SeCreatePagefilePrivilege 3500 Explorer.EXE Token: SeShutdownPrivilege 3500 Explorer.EXE Token: SeCreatePagefilePrivilege 3500 Explorer.EXE Token: SeShutdownPrivilege 3500 Explorer.EXE Token: SeCreatePagefilePrivilege 3500 Explorer.EXE Token: SeShutdownPrivilege 3500 Explorer.EXE Token: SeCreatePagefilePrivilege 3500 Explorer.EXE Token: SeShutdownPrivilege 3500 Explorer.EXE Token: SeCreatePagefilePrivilege 3500 Explorer.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 5112 winver.exe 4772 tmpxd55p8mf.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4772 wrote to memory of 5112 4772 tmpxd55p8mf.exe 91 PID 5112 wrote to memory of 3500 5112 winver.exe 57 PID 4772 wrote to memory of 3500 4772 tmpxd55p8mf.exe 57
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3500 -
C:\Users\Admin\AppData\Local\Temp\tmpxd55p8mf.exe"C:\Users\Admin\AppData\Local\Temp\tmpxd55p8mf.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4772 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5112 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 3124⤵
- Program crash
PID:2560
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4772 -s 8643⤵
- Program crash
PID:5620
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
PID:1168
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 5112 -ip 51121⤵PID:5928
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4772 -ip 47721⤵PID:5528