Analysis
- max time kernel
9s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
09/10/2026, 14:00
General
- Target Client.exe
- Size 74KB
- Sample261009-ra7dfsbc98
- SHA256 edd8babd11621c8ec12ea7a01c141615089a77d755fab43b30507da28653558d
Malware Config
Extracted
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asyncrat
-
Venom RAT + HVNC + Stealer + Grabber v6.0.3
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Default
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3.24.186.0:4449
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zpawtvcxquw
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delay
1
-
install
true
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install_file
windows-utility-manager.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.
- 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 33 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\Client.exe"C:\Users\Admin\AppData\Local\Temp\Client.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "windows-utility-manager" /tr '"C:\Users\Admin\AppData\Roaming\windows-utility-manager.exe"' & exit2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "windows-utility-manager" /tr '"C:\Users\Admin\AppData\Roaming\windows-utility-manager.exe"'3⤵
- 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\tmp5087.tmp.bat""2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\windows-utility-manager.exe"C:\Users\Admin\AppData\Roaming\windows-utility-manager.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\windows-utility-manager.exe"C:\Users\Admin\AppData\Roaming\windows-utility-manager.exe"1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tmp5087.tmp.bat
DataLogs.conf
windows-utility-manager.exe
memory/5780-0-0x00007FFFBD1EF000-0x00007FFFBD1F0000-memory.dmp
memory/5780-1-0x0000000000C20000-0x0000000000C38000-memory.dmp
memory/5780-3-0x00007FFFBD060000-0x00007FFFBDA04000-memory.dmp
memory/5780-4-0x00007FFFBD060000-0x00007FFFBDA04000-memory.dmp
memory/5780-5-0x00007FFFBD060000-0x00007FFFBDA04000-memory.dmp
memory/5780-6-0x00007FFFBD060000-0x00007FFFBDA04000-memory.dmp
memory/5780-7-0x00007FFFBD060000-0x00007FFFBDA04000-memory.dmp
memory/5780-8-0x00007FFFBD060000-0x00007FFFBDA04000-memory.dmp
memory/5780-12-0x00007FFFBD060000-0x00007FFFBDA04000-memory.dmp