Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
08/09/2026, 19:28
General
- Target _decimal.dll
- Size 80KB
- Sample260908-x6t1wsgn21
- SHA256 00c7754362482435e3c576c8a83907286d17794a1905a05cf69a9ecd34bcda94
Score
5/10
Malware Config
Signatures
- UPX packed file 5 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\_decimal.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\_decimal.dll,#12⤵
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 6283⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1976 -ip 19761⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/1976-0-0x00000000756F0000-0x0000000075725000-memory.dmp
memory/1976-2-0x00000000750F0000-0x000000007510A000-memory.dmp
memory/1976-1-0x0000000075120000-0x00000000756CD000-memory.dmp
memory/1976-3-0x00000000756F0000-0x0000000075725000-memory.dmp
memory/1976-4-0x0000000075120000-0x00000000756CD000-memory.dmp