Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
24/07/2026, 02:23
General
- Target TENDER-20005953911.vbs
- Size 37KB
- Sample260724-cvdvbaeb77
- SHA256 642905ce09772b7ee37efac563f1d14581b2d677a738aa8f44244659d331f921
Malware Config
Signatures
- Family: SiriusRAT
SiriusRAT is a Windows RAT written in C++ with HVNC, offline keylogging, and remote desktop capabilities.
- Detects SiriusRAT 64 IoCs
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Windows security bypass 2 TTPs 7 IoCs
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs
Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 62 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 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.
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\TENDER-20005953911.vbs"1⤵
- Executes a VBScript file via the Windows Script Host.
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -NoProfile -Command "Invoke-Expression $env:polysiloxanes"1⤵
- Process spawned unexpected child process
- Badlisted process makes network request
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Caspol.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\Caspol.exe2⤵
- Windows security bypass
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\system32\cmd.execmd.exe /c chcp 65001 >nul && netsh wlan show profiles > "C:\Users\Admin\AppData\Local\Temp\wifi_profiles.tmp"3⤵
- Executes a command shell one-liner
- System Network Configuration Discovery: Wi-Fi Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650014⤵
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C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵
- Event Triggered Execution: Netsh Helper DLL
- System Network Configuration Discovery: Wi-Fi Discovery
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C:\Windows\system32\conhost.execonhost.exe1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe2⤵
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
3PowerShell
1Visual Basic
1Windows Command Shell
1Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_vdoohsaw.d1z.ps1
rsql_4036_240685812.tmp
rsql_4036_240685828.tmp
wifi_profiles.tmp
memory/1736-1-0x0000027EE8FE0000-0x0000027EE8FF0000-memory.dmp
memory/1736-0-0x0000027EE8FE0000-0x0000027EE8FF0000-memory.dmp
memory/1736-9-0x0000027EE9A40000-0x0000027EE9A62000-memory.dmp
memory/1736-10-0x0000027EE9B50000-0x0000027EE9C04000-memory.dmp
memory/1736-11-0x0000027EE9A30000-0x0000027EE9A3A000-memory.dmp
memory/1736-12-0x0000027EE8FE0000-0x0000027EE8FF0000-memory.dmp
memory/1736-13-0x0000027EE8FE0000-0x0000027EE8FF0000-memory.dmp
memory/1736-14-0x0000027EE8FE0000-0x0000027EE8FF0000-memory.dmp
memory/4036-15-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-18-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-20-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-19-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-16-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-17-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-24-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-25-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-26-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-28-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-29-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-27-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-30-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-31-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-32-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-33-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-37-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-36-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-38-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-39-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-40-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-42-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-43-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-44-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-46-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-47-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-49-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-52-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-55-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-58-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-61-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-65-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-68-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-72-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-76-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-82-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-84-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-83-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-81-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-80-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-79-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-78-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-77-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-75-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-74-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-73-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-71-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-70-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-69-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-67-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-66-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-64-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-63-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-62-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-60-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-59-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-57-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-56-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-54-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-53-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-51-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-50-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-48-0x0000000140000000-0x0000000140558000-memory.dmp
memory/4036-45-0x0000000140000000-0x0000000140558000-memory.dmp