Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
22/05/2026, 11:31
General
- Target tmprmr8scyb.exe
- Size 225KB
- Sample260522-nmpsdscs91
- SHA256 4e218ccb10f535539a793c0a4a13a67ba367b4aeaba88b2ca915915360b944b3
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 8 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\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
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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 4076 -s 3004⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4328 -s 8083⤵
- 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 4076 -ip 40761⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4328 -ip 43281⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/3284-18-0x0000000001FA0000-0x0000000001FB0000-memory.dmp
memory/3284-27-0x0000000001FA0000-0x0000000001FB0000-memory.dmp
memory/3284-31-0x0000000001FA0000-0x0000000001FB0000-memory.dmp
memory/3284-30-0x0000000001FA0000-0x0000000001FB0000-memory.dmp
memory/3284-29-0x0000000001FA0000-0x0000000001FB0000-memory.dmp
memory/3284-7-0x0000000001F60000-0x0000000001F66000-memory.dmp
memory/3284-8-0x0000000001F60000-0x0000000001F66000-memory.dmp
memory/3284-20-0x0000000001FA0000-0x0000000001FB0000-memory.dmp
memory/3284-12-0x0000000001F70000-0x0000000001F76000-memory.dmp
memory/3284-24-0x0000000001FA0000-0x0000000001FB0000-memory.dmp
memory/3284-16-0x0000000001FA0000-0x0000000001FB0000-memory.dmp
memory/3284-17-0x0000000001FA0000-0x0000000001FB0000-memory.dmp
memory/3284-26-0x0000000001FA0000-0x0000000001FB0000-memory.dmp
memory/3284-28-0x0000000001FA0000-0x0000000001FB0000-memory.dmp
memory/3284-25-0x0000000001FA0000-0x0000000001FB0000-memory.dmp
memory/3284-21-0x0000000001FA0000-0x0000000001FB0000-memory.dmp
memory/3284-22-0x0000000001FA0000-0x0000000001FB0000-memory.dmp
memory/3284-23-0x0000000001FA0000-0x0000000001FB0000-memory.dmp
memory/3284-19-0x0000000001FA0000-0x0000000001FB0000-memory.dmp
memory/4328-1-0x0000000004B60000-0x00000000051B8000-memory.dmp
memory/4328-2-0x0000000000510000-0x0000000000511000-memory.dmp
memory/4328-15-0x0000000004B60000-0x00000000051B8000-memory.dmp
memory/4328-9-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4328-5-0x0000000000510000-0x0000000000511000-memory.dmp
memory/4328-4-0x0000000000510000-0x0000000000511000-memory.dmp
memory/4328-3-0x0000000004B60000-0x00000000051B8000-memory.dmp