Analysis
- max time kernel
149s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
11/08/2026, 01:41
General
- Target AstralClient (7).exe
- Size 7.2MB
- Sample260811-b361dsdn9v
- SHA256 9392cda40a19c9b0580d191eebe68987fa350f4cb6233fd3aa0fb1c43a4f9ca8
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
- Executes dropped EXE 5 IoCs
- Loads dropped DLL 7 IoCs
- Looks up external IP address via web service 1 TTPs 9 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
- Drops file in Windows directory 9 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 10 IoCs
- Suspicious use of AdjustPrivilegeToken 7 IoCs
- Suspicious use of WriteProcessMemory 6 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\AstralClient (7).exe"C:\Users\Admin\AppData\Local\Temp\AstralClient (7).exe"1⤵
- Modifies WinLogon for persistence
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\CMD.exe"CMD" netsh advfirewall firewall add rule name="|1[<ZG0#Z[niZK" dir=in action=allow program="C:\Users\Admin\svchost.exe" enable=yes & exit2⤵
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "ShellHost" /tr "C:\Users\Admin\svchost.exe" /RL HIGHEST & exit2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "ShellHost" /tr "C:\Users\Admin\svchost.exe" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 30 /tn "CookieManager" /tr "C:\Windows\svchost.exe" /RL HIGHEST & exit2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 30 /tn "CookieManager" /tr "C:\Windows\svchost.exe" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\svchost.exe"C:\Users\Admin\svchost.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\svchost.exeC:\Windows\svchost.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\svchost.exeC:\Users\Admin\svchost.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\svchost.exe"C:\Users\Admin\svchost.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\svchost.exe"C:\Users\Admin\svchost.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
xdwd.dll
memory/2748-12-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-226-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-3-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-4-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-5-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-6-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-7-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-8-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-10-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-9-0x00000280AF150000-0x00000280AF151000-memory.dmp
memory/2748-11-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-0-0x00007FFBCFDBF000-0x00007FFBCFDC0000-memory.dmp
memory/2748-2-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-13-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-47-0x00000280B0C20000-0x00000280B0C48000-memory.dmp
memory/2748-16-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-17-0x00000280AF2E0000-0x00000280AF2E6000-memory.dmp
memory/2748-18-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-15-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-1-0x00000280AE510000-0x00000280AED10000-memory.dmp
memory/2748-220-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-225-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-14-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-227-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-228-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp
memory/2748-243-0x00007FFBCFC30000-0x00007FFBD05D4000-memory.dmp