Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
07/09/2026, 01:59
General
- Target sdfsdfnm.exe
- Size 45KB
- Sample260907-cem32svsdw
- SHA256 9aa1fdfe78e0fb40554edf2aa636093f18cd805d622b2dfdf4db26b5041234c5
Malware Config
Extracted
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asyncrat
-
0.5.8
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Admin
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vailonthenhi.net:80
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vailonthenhi.net:443
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vailonthenhi.net:7788
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vailonthenhi.net:7879
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vailonthenhi.net:3577
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www.vailonthenhi.net:80
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www.vailonthenhi.net:443
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www.vailonthenhi.net:7788
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www.vailonthenhi.net:7879
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www.vailonthenhi.net:3577
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TofC0zf4hkO9
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delay
3
-
install
true
-
install_file
sdfsdfnm.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 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\sdfsdfnm.exe"C:\Users\Admin\AppData\Local\Temp\sdfsdfnm.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 "sdfsdfnm" /tr '"C:\Users\Admin\AppData\Roaming\sdfsdfnm.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 "sdfsdfnm" /tr '"C:\Users\Admin\AppData\Roaming\sdfsdfnm.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6EC.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\sdfsdfnm.exe"C:\Users\Admin\AppData\Roaming\sdfsdfnm.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Roaming\sdfsdfnm.exe"C:\Users\Admin\AppData\Roaming\sdfsdfnm.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
tmp6EC.tmp.bat
sdfsdfnm.exe
memory/2420-0-0x00000000743A2000-0x00000000743A3000-memory.dmp
memory/2420-1-0x0000000000F40000-0x0000000000F52000-memory.dmp
memory/2420-2-0x0000000074390000-0x0000000074B4C000-memory.dmp
memory/2420-3-0x0000000005920000-0x00000000059BC000-memory.dmp
memory/2420-8-0x0000000074390000-0x0000000074B4C000-memory.dmp
memory/5736-12-0x00000000742D0000-0x0000000074A8C000-memory.dmp
memory/5736-14-0x00000000742D0000-0x0000000074A8C000-memory.dmp