Analysis
- max time kernel
149s - max time network
114s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
22/05/2026, 02:47
General
- Target libs/avformat-vgmstream-58.dll
- Size 703KB
- Sample260522-daa4csfy2t
- SHA256 474a3c7ed8f0f4dcc6f41c05da50edcd4bf757641f230ed16279529ef8e05b07
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\libs\avformat-vgmstream-58.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\libs\avformat-vgmstream-58.dll,#12⤵
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 4723⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2476 -ip 24761⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/2476-0-0x00000000754E0000-0x0000000075598000-memory.dmp
memory/2476-1-0x0000000075430000-0x00000000754DF000-memory.dmp
memory/2476-2-0x0000000075000000-0x0000000075429000-memory.dmp