Analysis
- max time kernel
30s - max time network
26s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
27/07/2026, 02:39
General
- Target mko1.exe
- Size 45KB
- Sample260727-c5bgyavblh
- SHA256 e82d5defae60b49fcea32b16325ccad960b9de818af9ab4fb3dd6eb49a8c3391
Malware Config
Extracted
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asyncrat
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0.5.8
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xcnslo.top
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xcnslo.top:6606
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xcnslo.top:80
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xcnslo.top:8080
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xcnslo.top:443
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xcnslo.top:8443
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xcnslo.top:22
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xcnslo.top:23
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YA4ln7BtA19v
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delay
3
-
install
true
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install_file
GoogleUpdate.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\mko1.exe"C:\Users\Admin\AppData\Local\Temp\mko1.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 "GoogleUpdate" /tr '"C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"' & exit2⤵
- Executes a command shell one-liner
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "GoogleUpdate" /tr '"C:\Users\Admin\AppData\Roaming\GoogleUpdate.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\tmp1880.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\GoogleUpdate.exe"C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"3⤵
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C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tmp1880.tmp.bat
GoogleUpdate.exe
memory/3488-0-0x0000000075052000-0x0000000075053000-memory.dmp
memory/3488-1-0x0000000000C80000-0x0000000000C92000-memory.dmp
memory/3488-2-0x0000000075040000-0x00000000757FC000-memory.dmp
memory/3488-3-0x00000000057C0000-0x0000000005826000-memory.dmp
memory/3488-4-0x0000000005C10000-0x0000000005CAC000-memory.dmp
memory/3488-9-0x0000000075040000-0x00000000757FC000-memory.dmp
memory/4492-13-0x0000000074ED0000-0x000000007568C000-memory.dmp
memory/4492-15-0x0000000074ED0000-0x000000007568C000-memory.dmp