Analysis
- max time kernel
149s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
14/10/2026, 03:59
General
- Target $PLUGINSDIR/nsRandom.dll
- Size 21KB
- Sample261014-ej4byaft3z
- SHA256 db267d9920395b4badc48de04df99dfd21d579480d103cae0f48e6578197ff73
Score
5/10
Malware Config
Signatures
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsRandom.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsRandom.dll,#12⤵
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 6203⤵
- Program crash
-
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-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1640 -ip 16401⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/1640-0-0x00000000007F0000-0x0000000000802000-memory.dmp
memory/1640-1-0x00000000007F0000-0x0000000000802000-memory.dmp
memory/1640-3-0x00000000007F0000-0x0000000000802000-memory.dmp