Analysis
- max time kernel
25s - max time network
163s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
- submitted
01/05/2023, 09:18
General
- Target update.exe
- Size 1024.0MB
- Sample230501-k92tpagh4x
- SHA256 4f67eda04defdf40355ab17ff4d72f0270f6265ad39f918ecab8a11727832e22
Malware Config
Extracted
-
asyncrat
-
0.5.7B
-
Default
-
addimq.duckdns.org:7878
-
addimq.duckdns.org:9909
-
addimq.duckdns.org:6568
-
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 2 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\update.exe"C:\Users\Admin\AppData\Local\Temp\update.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
94308059B57B3142E455B38A6EB92015
Tar63BA.tmp
memory/1676-54-0x0000000027EC0000-0x0000000027ED5000-memory.dmp
memory/1676-55-0x00000000280F0000-0x0000000028102000-memory.dmp
memory/1676-56-0x0000000041380000-0x0000000041400000-memory.dmp
memory/1676-57-0x0000000041380000-0x0000000041400000-memory.dmp
memory/1676-75-0x0000000042F10000-0x0000000042F8E000-memory.dmp
memory/1676-96-0x0000000041900000-0x000000004190A000-memory.dmp
memory/1676-97-0x0000000042F90000-0x0000000042FF0000-memory.dmp
memory/1676-98-0x0000000042FF0000-0x0000000043080000-memory.dmp
memory/1676-99-0x0000000041380000-0x0000000041400000-memory.dmp