Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/07/2026, 14:29
General
- Target b118523958fd38dde4f4ee6e6b81c1b28f279941c62b2c135541256add542c22.exe
- Size 45KB
- Sample260720-rt11sac16q
- SHA256 b118523958fd38dde4f4ee6e6b81c1b28f279941c62b2c135541256add542c22
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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mayhitgoin:80
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mayhitgoin:22
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mayhitgoin:8080
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mayhitgoin:8880
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mayhitgoin:2052
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mayhitgoin:2082
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mayhitgoin:2086
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mayhitgoin:2095
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mayhitgoin:443
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mayhitgoin:2053
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mayhitgoin:2083
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mayhitgoin:2087
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mayhitgoin:2096
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mayhitgoin:8443
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www.mayhitgoin:80
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www.mayhitgoin:22
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www.mayhitgoin:8080
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www.mayhitgoin:8880
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www.mayhitgoin:2052
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www.mayhitgoin:2082
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0Hd5Y2UNuAn8
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delay
0
-
install
true
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install_file
skuxi.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 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 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b118523958fd38dde4f4ee6e6b81c1b28f279941c62b2c135541256add542c22.exe"C:\Users\Admin\AppData\Local\Temp\b118523958fd38dde4f4ee6e6b81c1b28f279941c62b2c135541256add542c22.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 "skuxi" /tr '"C:\Users\Admin\AppData\Roaming\skuxi.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 "skuxi" /tr '"C:\Users\Admin\AppData\Roaming\skuxi.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\tmp4E64.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\Roaming\skuxi.exe"C:\Users\Admin\AppData\Roaming\skuxi.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
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C:\Users\Admin\AppData\Roaming\skuxi.exe"C:\Users\Admin\AppData\Roaming\skuxi.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tmp4E64.tmp.bat
skuxi.exe
memory/4100-12-0x0000000074120000-0x00000000748DC000-memory.dmp
memory/4100-14-0x0000000074120000-0x00000000748DC000-memory.dmp
memory/5856-0-0x00000000742A2000-0x00000000742A3000-memory.dmp
memory/5856-1-0x00000000001F0000-0x0000000000202000-memory.dmp
memory/5856-2-0x0000000074290000-0x0000000074A4C000-memory.dmp
memory/5856-3-0x0000000004CE0000-0x0000000004D7C000-memory.dmp
memory/5856-8-0x0000000074290000-0x0000000074A4C000-memory.dmp