Analysis
- max time kernel
91s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
26/03/2023, 01:29
General
- Target setup.exe
- Size 696KB
- Sample230326-bv8t1sha71
- SHA256 4473deda804fd3e81f339e24a0cae78595940139eb776fec8f002a1874b04d30
Malware Config
Extracted
-
asyncrat
-
0.5.7B
-
Default
-
45.66.248.114:8899
-
AsyncMutex_6SI8OkPnk
-
delay
3
-
install
false
-
install_folder
%AppData%
Signatures
- AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Async RAT payload 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4532-133-0x0000000000E20000-0x0000000000ED4000-memory.dmp
memory/4532-134-0x00000000058A0000-0x00000000058B0000-memory.dmp
memory/4532-135-0x00000000058A0000-0x00000000058B0000-memory.dmp
memory/4532-138-0x0000000006020000-0x00000000060BC000-memory.dmp
memory/4532-139-0x0000000006670000-0x0000000006C14000-memory.dmp
memory/4532-140-0x0000000005D80000-0x0000000005DE6000-memory.dmp
memory/4532-141-0x0000000007220000-0x0000000007296000-memory.dmp
memory/4532-142-0x00000000072D0000-0x00000000072EE000-memory.dmp