Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
22/07/2026, 12:36
General
- Target AsyncClient.exe
- Size 45KB
- Sample260722-pswcss1ydt
- SHA256 cdae4d9a2c5f83556d0fd33dd9b3fc4f42eec3c9e3611225dd2c009bac947d0c
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
u888kw.com:6606
-
u888kw.com:7707
-
u888kw.com:8808
-
u888kw.com:443
-
u888kw.com:80
-
u888kw.com:8844
-
u888kw.com:22
-
u888kw.com:53
-
VZVoHyuX2Cq9
-
delay
9
-
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 2 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/4712-0-0x00000000751A2000-0x00000000751A3000-memory.dmp
memory/4712-1-0x0000000000220000-0x0000000000232000-memory.dmp
memory/4712-2-0x00000000751A2000-0x00000000751A3000-memory.dmp
memory/4712-3-0x0000000075190000-0x000000007594C000-memory.dmp
memory/4712-4-0x0000000075190000-0x000000007594C000-memory.dmp