Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
08/09/2026, 19:28
General
- Target _asyncio.dll
- Size 31KB
- Sample260908-x6t1wsgn21
- SHA256 03afe17bc05aaca0d389469bb8abc4f9db3cad7efdf1401884a0dea63723f0db
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\_asyncio.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\_asyncio.dll,#12⤵
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3684 -s 6283⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3684 -ip 36841⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/3684-0-0x00000000749C0000-0x00000000749D3000-memory.dmp
memory/3684-1-0x00000000743F0000-0x000000007499D000-memory.dmp
memory/3684-2-0x00000000743C0000-0x00000000743DA000-memory.dmp
memory/3684-7-0x00000000743F0000-0x000000007499D000-memory.dmp
memory/3684-6-0x00000000749C0000-0x00000000749D3000-memory.dmp