Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
07/05/2026, 03:06
General
- Target AsyncClient.exe
- Size 45KB
- Sample260507-dl2epaev2v
- SHA256 2465d294f9b14274345821c3bdf90031e4708b3821934fe2219eee9c31dbfe7b
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
mnplegal.com:6606
-
mnplegal.com:7707
-
mnplegal.com:8808
-
mnplegal.com:443
-
mnplegal.com:80
-
mnplegal.com:22
-
mnplegal.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/5068-0-0x0000000000E20000-0x0000000000E32000-memory.dmp
memory/5068-1-0x0000000003430000-0x0000000003440000-memory.dmp
memory/5068-2-0x00000000016B0000-0x00000000016D2000-memory.dmp
memory/5068-4-0x00000000034C0000-0x00000000034C7000-memory.dmp
memory/5068-3-0x0000000003450000-0x00000000034B4000-memory.dmp
memory/5068-5-0x0000000003430000-0x0000000003440000-memory.dmp