Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
07/05/2026, 02:45
General
- Target u888com.biz.exe
- Size 45KB
- Sample260507-c8vd8aes4x
- SHA256 36740fcecfccc23f29b41af7a35afa885ccd03f8dc63f01419987b0900c69793
Score
10/10
Malware Config
Extracted
Family
-
asyncrat
Version
-
0.5.8
Botnet
-
Default
C2
-
u888com.biz:6606
-
u888com.biz:7707
-
u888com.biz:8808
-
u888com.biz:443
-
u888com.biz:80
-
u888com.biz:22
-
u888com.biz:53
Mutex
-
FtTRmAL1FxCo
Attributes
-
delay
3
-
install
false
-
install_folder
%AppData%
aes.plain
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Unexpected DNS network traffic destination 4 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.
Processes
-
C:\Users\Admin\AppData\Local\Temp\u888com.biz.exe"C:\Users\Admin\AppData\Local\Temp\u888com.biz.exe"1⤵
- Unexpected DNS network traffic destination
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/3048-0-0x00000000009D0000-0x00000000009E2000-memory.dmp
memory/3048-1-0x0000000005730000-0x0000000005740000-memory.dmp
memory/3048-2-0x0000000005410000-0x000000000555D000-memory.dmp
memory/3048-3-0x0000000005730000-0x0000000005740000-memory.dmp