Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
09/08/2026, 11:07
General
- Target avcodec-52.dll
- Size 3.1MB
- Sample260809-m79gvsdr4w
- SHA256 5a0b055b6b62642d498efde0deba7d7e69f1835fd52eb7f181adf5ee1d0e180a
Score
3/10
Malware Config
Signatures
- 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\avcodec-52.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\avcodec-52.dll,#12⤵
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3768 -s 6043⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3768 -ip 37681⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/3768-0-0x0000000000C00000-0x0000000000C1A000-memory.dmp
memory/3768-1-0x000000006AD40000-0x000000006B451000-memory.dmp
memory/3768-3-0x0000000000C00000-0x0000000000C1A000-memory.dmp
memory/3768-2-0x000000006AD40000-0x000000006B451000-memory.dmp