Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
- submitted
08/07/2026, 05:16
General
- Target 7a3d9c40a64f9f008763b98ab5398994ec2f6d196fa523c058a62f5151413d22.exe
- Size 45KB
- Sample260708-fx5ycsb19m
- SHA256 7a3d9c40a64f9f008763b98ab5398994ec2f6d196fa523c058a62f5151413d22
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
103.109.100.136:80
-
103.109.100.136:22
-
103.109.100.136:8080
-
103.109.100.136:8880
-
103.109.100.136:2052
-
103.109.100.136:2082
-
103.109.100.136:2086
-
103.109.100.136:2095
-
103.109.100.136:443
-
103.109.100.136:2053
-
103.109.100.136:2083
-
103.109.100.136:2087
-
103.109.100.136:2096
-
103.109.100.136:8443
-
2O7j62Vz3RQw
-
delay
0
-
install
true
-
install_file
ll3ec.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).
- 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 29 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\7a3d9c40a64f9f008763b98ab5398994ec2f6d196fa523c058a62f5151413d22.exe"C:\Users\Admin\AppData\Local\Temp\7a3d9c40a64f9f008763b98ab5398994ec2f6d196fa523c058a62f5151413d22.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 "ll3ec" /tr '"C:\Users\Admin\AppData\Roaming\ll3ec.exe"' & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "ll3ec" /tr '"C:\Users\Admin\AppData\Roaming\ll3ec.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\tmp793D.tmp.bat""2⤵
- 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\ll3ec.exe"C:\Users\Admin\AppData\Roaming\ll3ec.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
-
C:\Users\Admin\AppData\Roaming\ll3ec.exe"C:\Users\Admin\AppData\Roaming\ll3ec.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
tmp793D.tmp.bat
ll3ec.exe
memory/4312-12-0x0000000074A70000-0x000000007522C000-memory.dmp
memory/4312-14-0x0000000074A70000-0x000000007522C000-memory.dmp
memory/4384-0-0x0000000074BF2000-0x0000000074BF3000-memory.dmp
memory/4384-1-0x0000000000FB0000-0x0000000000FC2000-memory.dmp
memory/4384-2-0x0000000074BE0000-0x000000007539C000-memory.dmp
memory/4384-3-0x0000000005AA0000-0x0000000005B3C000-memory.dmp
memory/4384-8-0x0000000074BE0000-0x000000007539C000-memory.dmp