Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
29/05/2026, 09:06
General
- Target tmpz91vtf21.exe
- Size 225KB
- Sample260529-k264fafz91
- SHA256 47ba95732daf060d5dc0acddda39625f73d7cf85d2d9b8c4747c7cc42001668f
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 50 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of UnmapMainImage 1 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
- Suspicious use of UnmapMainImage
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C:\Users\Admin\AppData\Local\Temp\tmpz91vtf21.exe"C:\Users\Admin\AppData\Local\Temp\tmpz91vtf21.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 4348 -s 3324⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3520 -s 6923⤵
- 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 408 -p 4348 -ip 43481⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3520 -ip 35201⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/3240-4-0x0000000000820000-0x0000000000826000-memory.dmp
memory/3240-5-0x0000000000820000-0x0000000000826000-memory.dmp
memory/3240-9-0x0000000000860000-0x0000000000866000-memory.dmp
memory/3520-1-0x0000000004AA0000-0x00000000050F8000-memory.dmp
memory/3520-2-0x0000000003D40000-0x0000000003D41000-memory.dmp
memory/3520-6-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3520-12-0x0000000004AA0000-0x00000000050F8000-memory.dmp