Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
22/09/2026, 17:55
General
- Target defense3.exe
- Size 45KB
- Sample260922-whe2dsca47
- SHA256 46d709fbb5edc1f78cb3e5514507d0fdc1a7fb2aaf9081d56a9e9e1166df18bf
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
8kbetny.com:8080
-
8kbetny.com:443
-
c2.8kbetny.com:8080
-
c2.8kbetny.com:443
-
www.8kbetny.com:8080
-
www.8kbetny.com:443
-
Mc0POwUZvWok
-
delay
3
-
install
true
-
install_file
s8 ghe choi.exe
-
install_folder
%AppData%
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Async RAT payload 1 IoCs
- Executes dropped EXE 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Delays execution with timeout.exe 1 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 31 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\defense3.exe"C:\Users\Admin\AppData\Local\Temp\defense3.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "s8 ghe choi" /tr '"C:\Users\Admin\AppData\Roaming\s8 ghe choi.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "s8 ghe choi" /tr '"C:\Users\Admin\AppData\Roaming\s8 ghe choi.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5683.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
-
-
C:\Users\Admin\AppData\Roaming\s8 ghe choi.exe"C:\Users\Admin\AppData\Roaming\s8 ghe choi.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
-
C:\Users\Admin\AppData\Roaming\s8 ghe choi.exe"C:\Users\Admin\AppData\Roaming\s8 ghe choi.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
tmp5683.tmp.bat
s8 ghe choi.exe
memory/2188-0-0x00000000745E2000-0x00000000745E3000-memory.dmp
memory/2188-1-0x00000000008D0000-0x00000000008E2000-memory.dmp
memory/2188-2-0x00000000745D0000-0x0000000074D8C000-memory.dmp
memory/2188-3-0x0000000005450000-0x00000000054EC000-memory.dmp
memory/2188-9-0x00000000745D0000-0x0000000074D8C000-memory.dmp
memory/2764-12-0x00000000745D0000-0x0000000074D8C000-memory.dmp
memory/2764-14-0x00000000745D0000-0x0000000074D8C000-memory.dmp