Analysis
- max time kernel
30s - max time network
31s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
17/08/2026, 08:09
General
- Target mkl.exe
- Size 46KB
- Sample260817-j2g9msac52
- SHA256 9f44a89b2373e276f6bb77f702a0062be9d34a1a9397011a96450ce9f779e85d
Malware Config
Extracted
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asyncrat
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0.5.6A
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null
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coal-crusher.net:443
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coal-crusher.net:80
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coal-crusher.net:8443
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coal-crusher.net:8080
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fikxcdztqfs
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delay
5
-
install
true
-
install_file
mko1.exe
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install_folder
%AppData%
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- 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.
Processes
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C:\Users\Admin\AppData\Local\Temp\mkl.exe"C:\Users\Admin\AppData\Local\Temp\mkl.exe"1⤵
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "'mko1"' /tr "'C:\Users\Admin\AppData\Roaming\mko1.exe"'2⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp74F7.tmp.bat""2⤵
- Executes a command shell one-liner
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C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\mko1.exe"C:\Users\Admin\AppData\Roaming\mko1.exe"3⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tmp74F7.tmp.bat
mko1.exe
memory/5228-0-0x00007FF9353AF000-0x00007FF9353B0000-memory.dmp
memory/5228-1-0x00000000009D0000-0x00000000009E2000-memory.dmp
memory/5228-2-0x00007FF935220000-0x00007FF935BC4000-memory.dmp
memory/5228-3-0x00007FF935220000-0x00007FF935BC4000-memory.dmp
memory/5228-4-0x00007FF935220000-0x00007FF935BC4000-memory.dmp
memory/5228-5-0x00007FF935220000-0x00007FF935BC4000-memory.dmp
memory/5228-6-0x00007FF935220000-0x00007FF935BC4000-memory.dmp
memory/5228-10-0x00007FF935220000-0x00007FF935BC4000-memory.dmp