Analysis
- max time kernel
149s - max time network
150s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
- submitted
22/05/2026, 11:32
General
- Target tmpxnk8u207.exe
- Size 237KB
- Sample260522-nnhepsct3t
- SHA256 88411957bd451e47c79ccb45655e419b62bbcb997ab0af512fa8709cf2549ed6
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
- 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.
- Modifies data under HKEY_USERS 1 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\tmpxnk8u207.exe"C:\Users\Admin\AppData\Local\Temp\tmpxnk8u207.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1260 -s 3124⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 7963⤵
- Program crash
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman1⤵
- Modifies data under HKEY_USERS
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 1260 -ip 12601⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4372 -ip 43721⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/3428-6-0x0000000000EE0000-0x0000000000EE6000-memory.dmp
memory/3428-7-0x0000000000EE0000-0x0000000000EE6000-memory.dmp
memory/3428-11-0x0000000002870000-0x0000000002876000-memory.dmp
memory/4372-1-0x0000000004C60000-0x00000000052B8000-memory.dmp
memory/4372-2-0x00000000024E0000-0x00000000024E1000-memory.dmp
memory/4372-3-0x0000000004C60000-0x00000000052B8000-memory.dmp
memory/4372-4-0x00000000024E0000-0x00000000024E1000-memory.dmp
memory/4372-8-0x0000000000400000-0x000000000043F000-memory.dmp
memory/4372-14-0x0000000004C60000-0x00000000052B8000-memory.dmp