Analysis
- max time kernel
150s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260630-en - resource tags
- submitted
02/07/2026, 20:30
General
- Target f407133c05f481c19c4715c2a8a967a7c6efa03109fe21f768338fa085f80b17.exe
- Size 64KB
- Sample260702-y978csa16n
- SHA256 f407133c05f481c19c4715c2a8a967a7c6efa03109fe21f768338fa085f80b17
Malware Config
Extracted
-
asyncrat
-
zenith
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server.us.org:2048
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server.us.org:443
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server.us.org:4782
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server.us.org:8888
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xn88.se.net:2048
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xn88.se.net:443
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xn88.se.net:4782
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xn88.se.net:8888
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soaprise.me:2048
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soaprise.me:443
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soaprise.me:4782
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soaprise.me:8888
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zenithflow_mutex
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delay
10
-
install
true
-
install_file
zenith.exe
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install_folder
%Temp%
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).
- 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 64 IoCs
- Suspicious use of AdjustPrivilegeToken 5 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\f407133c05f481c19c4715c2a8a967a7c6efa03109fe21f768338fa085f80b17.exe"C:\Users\Admin\AppData\Local\Temp\f407133c05f481c19c4715c2a8a967a7c6efa03109fe21f768338fa085f80b17.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 "zenith" /tr '"C:\Users\Admin\AppData\Local\Temp\zenith.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "zenith" /tr '"C:\Users\Admin\AppData\Local\Temp\zenith.exe"'3⤵
- Scheduled Task/Job: Scheduled Task
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-
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9A76.tmp.bat""2⤵
- 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\Local\Temp\zenith.exe"C:\Users\Admin\AppData\Local\Temp\zenith.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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-
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C:\Users\Admin\AppData\Local\Temp\zenith.exe"C:\Users\Admin\AppData\Local\Temp\zenith.exe"1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tmp9A76.tmp.bat
zenith.exe
memory/6232-1-0x00007FFF9E72F000-0x00007FFF9E730000-memory.dmp
memory/6232-0-0x00000262CD800000-0x00000262CD816000-memory.dmp
memory/6232-2-0x00007FFF9E5A0000-0x00007FFF9EF44000-memory.dmp
memory/6232-3-0x00007FFF9E5A0000-0x00007FFF9EF44000-memory.dmp
memory/6232-4-0x00007FFF9E5A0000-0x00007FFF9EF44000-memory.dmp
memory/6232-8-0x00007FFF9E5A0000-0x00007FFF9EF44000-memory.dmp