Analysis
- max time kernel
150s - max time network
143s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
09/04/2026, 03:10
General
- Target syron.exe
- Size 592KB
- Sample260409-dpe1vsax8v
- SHA256 f40ea9c2470ec1d8d31966af3249543993b09821ba491d883fc47b7fafcfdeeb
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell and hide display window.
- Executes dropped EXE 2 IoCs
- Delays execution with timeout.exe 2 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 49 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 7 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\syron.exe"C:\Users\Admin\AppData\Local\Temp\syron.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\cleanup_eWi9QRvLkJ7leX7m3eFDBor0rtl8Zv.bat""2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650013⤵
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C:\Windows\system32\timeout.exetimeout /t 2 /nobreak3⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\PlatformRuntime\syron.exe"C:\Users\Admin\AppData\Roaming\PlatformRuntime\syron.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "syron" /sc ONLOGON /tr "\"C:\Users\Admin\AppData\Roaming\PlatformRuntime\syron.exe\"" /rl HIGHEST /f4⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -NonInteractive -WindowStyle Hidden -ExecutionPolicy Bypass "Add-MpPreference -ExclusionProcess 'C:\Users\Admin\AppData\Roaming\PlatformRuntime\syron.exe'"4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\timeout.exetimeout /t 1 /nobreak3⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\PlatformRuntime\syron.exe"C:\Users\Admin\AppData\Roaming\PlatformRuntime\syron.exe"1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
syron.exe.log
__PSScriptPolicyTest_pf2pdz1c.54x.ps1
syron.exe
cleanup_eWi9QRvLkJ7leX7m3eFDBor0rtl8Zv.bat
memory/1788-13-0x0000028661CD0000-0x0000028661CE0000-memory.dmp
memory/1788-50-0x0000028661E90000-0x0000028661E9A000-memory.dmp
memory/1788-17-0x0000028661E80000-0x0000028661E8A000-memory.dmp
memory/1788-18-0x000002867A6E0000-0x000002867A6EC000-memory.dmp
memory/1788-20-0x0000028661CD0000-0x0000028661CE0000-memory.dmp
memory/1788-19-0x0000028661CB0000-0x0000028661CC2000-memory.dmp
memory/1788-21-0x000002867AA40000-0x000002867AE84000-memory.dmp
memory/2872-2-0x0000025B7BB80000-0x0000025B7BB8A000-memory.dmp
memory/2872-0-0x0000025B7B6D0000-0x0000025B7B76A000-memory.dmp
memory/2872-1-0x0000025B7DDE0000-0x0000025B7DDF0000-memory.dmp
memory/4656-22-0x000001625DD40000-0x000001625DD62000-memory.dmp
memory/4656-36-0x000001625E130000-0x000001625E1E3000-memory.dmp
memory/4656-37-0x000001625DEF0000-0x000001625DEFA000-memory.dmp
memory/4656-38-0x000001625E460000-0x000001625E47C000-memory.dmp
memory/4656-39-0x000001625E440000-0x000001625E44A000-memory.dmp
memory/4656-40-0x000001625E4A0000-0x000001625E4BA000-memory.dmp
memory/4656-41-0x000001625E450000-0x000001625E458000-memory.dmp
memory/4656-42-0x000001625E480000-0x000001625E486000-memory.dmp
memory/4656-43-0x000001625E490000-0x000001625E49A000-memory.dmp
memory/4656-46-0x00000162456D0000-0x00000162456DC000-memory.dmp
memory/4656-47-0x0000016245B40000-0x0000016245B52000-memory.dmp
memory/4656-35-0x000001625DF00000-0x000001625DF1C000-memory.dmp