Analysis
- max time kernel
149s - max time network
146s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
27/04/2026, 02:01
General
- Target AsyncClient.exe
- Size 45KB
- Sample260427-cflllsbs31
- SHA256 3b1f036729bb46e42bbb7802d42ec3920f1720d984d9c42ee6633baf154cb014
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
xoilactructiep.net:6606
-
xoilactructiep.net:7707
-
xoilactructiep.net:8808
-
xoilactructiep.net:443
-
xoilactructiep.net:80
-
xoilactructiep.net:22
-
xoilactructiep.net:53
-
www.eurasian-style.com:6606
-
www.eurasian-style.com:7707
-
www.eurasian-style.com:8808
-
www.eurasian-style.com:443
-
www.eurasian-style.com:80
-
www.eurasian-style.com:22
-
www.eurasian-style.com:53
-
FtTRmAL1FxCo
-
delay
3
-
install
false
-
install_folder
%AppData%
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Unexpected DNS network traffic destination 2 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- 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 AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe"C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe"1⤵
- Unexpected DNS network traffic destination
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/5080-0-0x00000000004F0000-0x0000000000502000-memory.dmp
memory/5080-1-0x0000000004FF0000-0x0000000005000000-memory.dmp
memory/5080-2-0x0000000000A00000-0x0000000000A22000-memory.dmp
memory/5080-3-0x0000000002830000-0x0000000002837000-memory.dmp
memory/5080-4-0x0000000004FF0000-0x0000000005000000-memory.dmp