Analysis
- max time kernel
149s - max time network
96s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
17/04/2026, 07:33
General
- Target x39e5a8ede2c91e4ceb37d9da4cd651ad2078cf1d75830f3809a35f9bd6c66963.exe
- Size 15.9MB
- Sample260417-jdj4bshs2r
- SHA256 39e5a8ede2c91e4ceb37d9da4cd651ad2078cf1d75830f3809a35f9bd6c66963
Score
10/10
Malware Config
Extracted
Family
-
asyncrat
Version
-
0.5.8
Botnet
-
Default
Mutex
-
p7qtFjuNFL7Q
Attributes
-
delay
3
-
install
false
-
install_folder
%AppData%
-
local_host
127.0.0.1
aes.plain
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Async RAT payload 1 IoCs
- Executes dropped EXE 1 IoCs
- ConfuserEx .NET packer 3 IoCs
Detects ConfuserEx .NET packer.
- 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:\Users\Admin\AppData\Local\Temp\x39e5a8ede2c91e4ceb37d9da4cd651ad2078cf1d75830f3809a35f9bd6c66963.exe"C:\Users\Admin\AppData\Local\Temp\x39e5a8ede2c91e4ceb37d9da4cd651ad2078cf1d75830f3809a35f9bd6c66963.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\syshost_21442304.exe"C:\Users\Admin\AppData\Local\Temp\syshost_21442304.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
syshost_21442304.exe
memory/5752-5-0x0000000000030000-0x0000000000040000-memory.dmp
memory/5752-6-0x0000000004A10000-0x0000000004A22000-memory.dmp
memory/5752-7-0x0000000004A90000-0x0000000004AA0000-memory.dmp
memory/5752-8-0x0000000004A90000-0x0000000004AA0000-memory.dmp