Analysis
- max time kernel
58s - max time network
5s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
29/09/2026, 16:29
General
- Target cak.exe
- Size 47KB
- Sample260929-tzqs4sbb45
- SHA256 b60be9645bfc16ef9e7e9ece7f679a627e559bdc4138b36717b96e5fb024d08d
Malware Config
Extracted
-
asyncrat
-
0.5.8
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changeclub.co/vi-vn/
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changeclub.co/vi-vn/:6606
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changeclub.co/vi-vn/:7707
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changeclub.co/vi-vn/:8808
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changeclub.co/vi-vn/:80
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changeclub.co/vi-vn/:443
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changeclub.co/vi-vn/:3306
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QuPerdHfZI73
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delay
3
-
install
true
-
install_file
cracknano.exe
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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 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 1 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.
Processes
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C:\Users\Admin\AppData\Local\Temp\cak.exe"C:\Users\Admin\AppData\Local\Temp\cak.exe"1⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "cracknano" /tr '"C:\Users\Admin\AppData\Roaming\cracknano.exe"' & exit2⤵
- Executes a command shell one-liner
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "cracknano" /tr '"C:\Users\Admin\AppData\Roaming\cracknano.exe"'3⤵
- 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\tmpAD0F.tmp.bat""2⤵
- Executes a command shell one-liner
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C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\cracknano.exe"C:\Users\Admin\AppData\Roaming\cracknano.exe"3⤵
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C:\Users\Admin\AppData\Roaming\cracknano.exe"C:\Users\Admin\AppData\Roaming\cracknano.exe"1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tmpAD0F.tmp.bat
cracknano.exe
memory/4148-0-0x0000000074BE2000-0x0000000074BE3000-memory.dmp
memory/4148-1-0x0000000000420000-0x0000000000432000-memory.dmp
memory/4148-2-0x0000000074BD0000-0x000000007538C000-memory.dmp
memory/4148-3-0x0000000004E50000-0x0000000004EB6000-memory.dmp
memory/4148-4-0x0000000005260000-0x00000000052FC000-memory.dmp
memory/4148-9-0x0000000074BD0000-0x000000007538C000-memory.dmp
memory/5608-13-0x0000000074A60000-0x000000007521C000-memory.dmp
memory/5608-15-0x0000000074A60000-0x000000007521C000-memory.dmp