Analysis
- max time kernel
148s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
08/09/2026, 21:17
General
- Target 9f17367fb314d1ea096a10958452867d12c3f1c17f0cda813cd57483bc0517f2.exe
- Size 47KB
- Sample260908-z5f4raybpc
- SHA256 9f17367fb314d1ea096a10958452867d12c3f1c17f0cda813cd57483bc0517f2
Malware Config
Extracted
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asyncrat
-
0.5.8
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Default
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HvfylXZ7x6fY
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delay
3
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install
true
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install_file
Svchost.exe
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install_folder
%Temp%
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local_host
127.0.0.1
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private_ip
192.168.12.183
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
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C:\Users\Admin\AppData\Local\Temp\9f17367fb314d1ea096a10958452867d12c3f1c17f0cda813cd57483bc0517f2.exe"C:\Users\Admin\AppData\Local\Temp\9f17367fb314d1ea096a10958452867d12c3f1c17f0cda813cd57483bc0517f2.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Svchost" /tr '"C:\Users\Admin\AppData\Local\Temp\Svchost.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "Svchost" /tr '"C:\Users\Admin\AppData\Local\Temp\Svchost.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3261.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Local\Temp\Svchost.exe"C:\Users\Admin\AppData\Local\Temp\Svchost.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Temp\Svchost.exe"C:\Users\Admin\AppData\Local\Temp\Svchost.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Svchost.exe
tmp3261.tmp.bat
memory/3340-13-0x0000000074510000-0x0000000074CCC000-memory.dmp
memory/3340-15-0x0000000074510000-0x0000000074CCC000-memory.dmp
memory/4256-0-0x0000000074562000-0x0000000074563000-memory.dmp
memory/4256-1-0x00000000000C0000-0x00000000000D2000-memory.dmp
memory/4256-2-0x0000000074550000-0x0000000074D0C000-memory.dmp
memory/4256-3-0x0000000004A50000-0x0000000004AB6000-memory.dmp
memory/4256-4-0x0000000004EE0000-0x0000000004F7C000-memory.dmp
memory/4256-10-0x0000000074550000-0x0000000074D0C000-memory.dmp